jquery-ui.js

(function( factory ) {
    if ( typeof define === "function" && define.amd ) {

        // AMD. Register as an anonymous module.
        define([ "jquery" ], factory );
    } else {

        // Browser globals
        factory( jQuery );
    }
}(function( $ ) {

$.ui = $.ui || {};

var version = $.ui.version = "1.12.1";


//>>label: Widget
//>>group: Core
//>>description: Provides a factory for creating stateful widgets with a common API.
//>>docs: http://api.jqueryui.com/jQuery.widget/
//>>demos: http://jqueryui.com/widget/



var widgetUuid = 0;
var widgetSlice = Array.prototype.slice;

$.cleanData = ( function( orig ) {
    return function( elems ) {
        var events, elem, i;
        for ( i = 0; ( elem = elems[ i ] ) != null; i++ ) {
            try {

                // Only trigger remove when necessary to save time
                events = $._data( elem, "events" );
                if ( events && events.remove ) {
                    $( elem ).triggerHandler( "remove" );
                }

            // Http://bugs.jquery.com/ticket/8235
            } catch ( e ) {}
        }
        orig( elems );
    };
} )( $.cleanData );

$.widget = function( name, base, prototype ) {
    var existingConstructor, constructor, basePrototype;

    // ProxiedPrototype allows the provided prototype to remain unmodified
    // so that it can be used as a mixin for multiple widgets (#8876)
    var proxiedPrototype = {};

    var namespace = name.split( "." )[ 0 ];
    name = name.split( "." )[ 1 ];
    var fullName = namespace + "-" + name;

    if ( !prototype ) {
        prototype = base;
        base = $.Widget;
    }

    if ( $.isArray( prototype ) ) {
        prototype = $.extend.apply( null, [ {} ].concat( prototype ) );
    }

    // Create selector for plugin
    $.expr[ ":" ][ fullName.toLowerCase() ] = function( elem ) {
        return !!$.data( elem, fullName );
    };

    $[ namespace ] = $[ namespace ] || {};
    existingConstructor = $[ namespace ][ name ];
    constructor = $[ namespace ][ name ] = function( options, element ) {

        // Allow instantiation without "new" keyword
        if ( !this._createWidget ) {
            return new constructor( options, element );
        }

        // Allow instantiation without initializing for simple inheritance
        // must use "new" keyword (the code above always passes args)
        if ( arguments.length ) {
            this._createWidget( options, element );
        }
    };

    // Extend with the existing constructor to carry over any static properties
    $.extend( constructor, existingConstructor, {
        version: prototype.version,

        // Copy the object used to create the prototype in case we need to
        // redefine the widget later
        _proto: $.extend( {}, prototype ),

        // Track widgets that inherit from this widget in case this widget is
        // redefined after a widget inherits from it
        _childConstructors: []
    } );

    basePrototype = new base();

    // We need to make the options hash a property directly on the new instance
    // otherwise we'll modify the options hash on the prototype that we're
    // inheriting from
    basePrototype.options = $.widget.extend( {}, basePrototype.options );
    $.each( prototype, function( prop, value ) {
        if ( !$.isFunction( value ) ) {
            proxiedPrototype[ prop ] = value;
            return;
        }
        proxiedPrototype[ prop ] = ( function() {
            function _super() {
                return base.prototype[ prop ].apply( this, arguments );
            }

            function _superApply( args ) {
                return base.prototype[ prop ].apply( this, args );
            }

            return function() {
                var __super = this._super;
                var __superApply = this._superApply;
                var returnValue;

                this._super = _super;
                this._superApply = _superApply;

                returnValue = value.apply( this, arguments );

                this._super = __super;
                this._superApply = __superApply;

                return returnValue;
            };
        } )();
    } );
    constructor.prototype = $.widget.extend( basePrototype, {

        // TODO: remove support for widgetEventPrefix
        // always use the name + a colon as the prefix, e.g., draggable:start
        // don't prefix for widgets that aren't DOM-based
        widgetEventPrefix: existingConstructor ? ( basePrototype.widgetEventPrefix || name ) : name
    }, proxiedPrototype, {
        constructor: constructor,
        namespace: namespace,
        widgetName: name,
        widgetFullName: fullName
    } );

    // If this widget is being redefined then we need to find all widgets that
    // are inheriting from it and redefine all of them so that they inherit from
    // the new version of this widget. We're essentially trying to replace one
    // level in the prototype chain.
    if ( existingConstructor ) {
        $.each( existingConstructor._childConstructors, function( i, child ) {
            var childPrototype = child.prototype;

            // Redefine the child widget using the same prototype that was
            // originally used, but inherit from the new version of the base
            $.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor,
                child._proto );
        } );

        // Remove the list of existing child constructors from the old constructor
        // so the old child constructors can be garbage collected
        delete existingConstructor._childConstructors;
    } else {
        base._childConstructors.push( constructor );
    }

    $.widget.bridge( name, constructor );

    return constructor;
};

$.widget.extend = function( target ) {
    var input = widgetSlice.call( arguments, 1 );
    var inputIndex = 0;
    var inputLength = input.length;
    var key;
    var value;

    for ( ; inputIndex < inputLength; inputIndex++ ) {
        for ( key in input[ inputIndex ] ) {
            value = input[ inputIndex ][ key ];
            if ( input[ inputIndex ].hasOwnProperty( key ) && value !== undefined ) {

                // Clone objects
                if ( $.isPlainObject( value ) ) {
                    target[ key ] = $.isPlainObject( target[ key ] ) ?
                        $.widget.extend( {}, target[ key ], value ) :

                        // Don't extend strings, arrays, etc. with objects
                        $.widget.extend( {}, value );

                // Copy everything else by reference
                } else {
                    target[ key ] = value;
                }
            }
        }
    }
    return target;
};

$.widget.bridge = function( name, object ) {
    var fullName = object.prototype.widgetFullName || name;
    $.fn[ name ] = function( options ) {
        var isMethodCall = typeof options === "string";
        var args = widgetSlice.call( arguments, 1 );
        var returnValue = this;

        if ( isMethodCall ) {

            // If this is an empty collection, we need to have the instance method
            // return undefined instead of the jQuery instance
            if ( !this.length && options === "instance" ) {
                returnValue = undefined;
            } else {
                this.each( function() {
                    var methodValue;
                    var instance = $.data( this, fullName );

                    if ( options === "instance" ) {
                        returnValue = instance;
                        return false;
                    }

                    if ( !instance ) {
                        return $.error( "cannot call methods on " + name +
                            " prior to initialization; " +
                            "attempted to call method '" + options + "'" );
                    }

                    if ( !$.isFunction( instance[ options ] ) || options.charAt( 0 ) === "_" ) {
                        return $.error( "no such method '" + options + "' for " + name +
                            " widget instance" );
                    }

                    methodValue = instance[ options ].apply( instance, args );

                    if ( methodValue !== instance && methodValue !== undefined ) {
                        returnValue = methodValue && methodValue.jquery ?
                            returnValue.pushStack( methodValue.get() ) :
                            methodValue;
                        return false;
                    }
                } );
            }
        } else {

            // Allow multiple hashes to be passed on init
            if ( args.length ) {
                options = $.widget.extend.apply( null, [ options ].concat( args ) );
            }

            this.each( function() {
                var instance = $.data( this, fullName );
                if ( instance ) {
                    instance.option( options || {} );
                    if ( instance._init ) {
                        instance._init();
                    }
                } else {
                    $.data( this, fullName, new object( options, this ) );
                }
            } );
        }

        return returnValue;
    };
};

$.Widget = function( /* options, element */ ) {};
$.Widget._childConstructors = [];

$.Widget.prototype = {
    widgetName: "widget",
    widgetEventPrefix: "",
    defaultElement: "<div>",

    options: {
        classes: {},
        disabled: false,

        // Callbacks
        create: null
    },

    _createWidget: function( options, element ) {
        element = $( element || this.defaultElement || this )[ 0 ];
        this.element = $( element );
        this.uuid = widgetUuid++;
        this.eventNamespace = "." + this.widgetName + this.uuid;

        this.bindings = $();
        this.hoverable = $();
        this.focusable = $();
        this.classesElementLookup = {};

        if ( element !== this ) {
            $.data( element, this.widgetFullName, this );
            this._on( true, this.element, {
                remove: function( event ) {
                    if ( event.target === element ) {
                        this.destroy();
                    }
                }
            } );
            this.document = $( element.style ?

                // Element within the document
                element.ownerDocument :

                // Element is window or document
                element.document || element );
            this.window = $( this.document[ 0 ].defaultView || this.document[ 0 ].parentWindow );
        }

        this.options = $.widget.extend( {},
            this.options,
            this._getCreateOptions(),
            options );

        this._create();

        if ( this.options.disabled ) {
            this._setOptionDisabled( this.options.disabled );
        }

        this._trigger( "create", null, this._getCreateEventData() );
        this._init();
    },

    _getCreateOptions: function() {
        return {};
    },

    _getCreateEventData: $.noop,

    _create: $.noop,

    _init: $.noop,

    destroy: function() {
        var that = this;

        this._destroy();
        $.each( this.classesElementLookup, function( key, value ) {
            that._removeClass( value, key );
        } );

        // We can probably remove the unbind calls in 2.0
        // all event bindings should go through this._on()
        this.element
            .off( this.eventNamespace )
            .removeData( this.widgetFullName );
        this.widget()
            .off( this.eventNamespace )
            .removeAttr( "aria-disabled" );

        // Clean up events and states
        this.bindings.off( this.eventNamespace );
    },

    _destroy: $.noop,

    widget: function() {
        return this.element;
    },

    option: function( key, value ) {
        var options = key;
        var parts;
        var curOption;
        var i;

        if ( arguments.length === 0 ) {

            // Don't return a reference to the internal hash
            return $.widget.extend( {}, this.options );
        }

        if ( typeof key === "string" ) {

            // Handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
            options = {};
            parts = key.split( "." );
            key = parts.shift();
            if ( parts.length ) {
                curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
                for ( i = 0; i < parts.length - 1; i++ ) {
                    curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
                    curOption = curOption[ parts[ i ] ];
                }
                key = parts.pop();
                if ( arguments.length === 1 ) {
                    return curOption[ key ] === undefined ? null : curOption[ key ];
                }
                curOption[ key ] = value;
            } else {
                if ( arguments.length === 1 ) {
                    return this.options[ key ] === undefined ? null : this.options[ key ];
                }
                options[ key ] = value;
            }
        }

        this._setOptions( options );

        return this;
    },

    _setOptions: function( options ) {
        var key;

        for ( key in options ) {
            this._setOption( key, options[ key ] );
        }

        return this;
    },

    _setOption: function( key, value ) {
        if ( key === "classes" ) {
            this._setOptionClasses( value );
        }

        this.options[ key ] = value;

        if ( key === "disabled" ) {
            this._setOptionDisabled( value );
        }

        return this;
    },

    _setOptionClasses: function( value ) {
        var classKey, elements, currentElements;

        for ( classKey in value ) {
            currentElements = this.classesElementLookup[ classKey ];
            if ( value[ classKey ] === this.options.classes[ classKey ] ||
                    !currentElements ||
                    !currentElements.length ) {
                continue;
            }

            // We are doing this to create a new jQuery object because the _removeClass() call
            // on the next line is going to destroy the reference to the current elements being
            // tracked. We need to save a copy of this collection so that we can add the new classes
            // below.
            elements = $( currentElements.get() );
            this._removeClass( currentElements, classKey );

            // We don't use _addClass() here, because that uses this.options.classes
            // for generating the string of classes. We want to use the value passed in from
            // _setOption(), this is the new value of the classes option which was passed to
            // _setOption(). We pass this value directly to _classes().
            elements.addClass( this._classes( {
                element: elements,
                keys: classKey,
                classes: value,
                add: true
            } ) );
        }
    },

    _setOptionDisabled: function( value ) {
        this._toggleClass( this.widget(), this.widgetFullName + "-disabled", null, !!value );

        // If the widget is becoming disabled, then nothing is interactive
        if ( value ) {
            this._removeClass( this.hoverable, null, "ui-state-hover" );
            this._removeClass( this.focusable, null, "ui-state-focus" );
        }
    },

    enable: function() {
        return this._setOptions( { disabled: false } );
    },

    disable: function() {
        return this._setOptions( { disabled: true } );
    },

    _classes: function( options ) {
        var full = [];
        var that = this;

        options = $.extend( {
            element: this.element,
            classes: this.options.classes || {}
        }, options );

        function processClassString( classes, checkOption ) {
            var current, i;
            for ( i = 0; i < classes.length; i++ ) {
                current = that.classesElementLookup[ classes[ i ] ] || $();
                if ( options.add ) {
                    current = $( $.unique( current.get().concat( options.element.get() ) ) );
                } else {
                    current = $( current.not( options.element ).get() );
                }
                that.classesElementLookup[ classes[ i ] ] = current;
                full.push( classes[ i ] );
                if ( checkOption && options.classes[ classes[ i ] ] ) {
                    full.push( options.classes[ classes[ i ] ] );
                }
            }
        }

        this._on( options.element, {
            "remove": "_untrackClassesElement"
        } );

        if ( options.keys ) {
            processClassString( options.keys.match( /\S+/g ) || [], true );
        }
        if ( options.extra ) {
            processClassString( options.extra.match( /\S+/g ) || [] );
        }

        return full.join( " " );
    },

    _untrackClassesElement: function( event ) {
        var that = this;
        $.each( that.classesElementLookup, function( key, value ) {
            if ( $.inArray( event.target, value ) !== -1 ) {
                that.classesElementLookup[ key ] = $( value.not( event.target ).get() );
            }
        } );
    },

    _removeClass: function( element, keys, extra ) {
        return this._toggleClass( element, keys, extra, false );
    },

    _addClass: function( element, keys, extra ) {
        return this._toggleClass( element, keys, extra, true );
    },

    _toggleClass: function( element, keys, extra, add ) {
        add = ( typeof add === "boolean" ) ? add : extra;
        var shift = ( typeof element === "string" || element === null ),
            options = {
                extra: shift ? keys : extra,
                keys: shift ? element : keys,
                element: shift ? this.element : element,
                add: add
            };
        options.element.toggleClass( this._classes( options ), add );
        return this;
    },

    _on: function( suppressDisabledCheck, element, handlers ) {
        var delegateElement;
        var instance = this;

        // No suppressDisabledCheck flag, shuffle arguments
        if ( typeof suppressDisabledCheck !== "boolean" ) {
            handlers = element;
            element = suppressDisabledCheck;
            suppressDisabledCheck = false;
        }

        // No element argument, shuffle and use this.element
        if ( !handlers ) {
            handlers = element;
            element = this.element;
            delegateElement = this.widget();
        } else {
            element = delegateElement = $( element );
            this.bindings = this.bindings.add( element );
        }

        $.each( handlers, function( event, handler ) {
            function handlerProxy() {

                // Allow widgets to customize the disabled handling
                // - disabled as an array instead of boolean
                // - disabled class as method for disabling individual parts
                if ( !suppressDisabledCheck &&
                        ( instance.options.disabled === true ||
                        $( this ).hasClass( "ui-state-disabled" ) ) ) {
                    return;
                }
                return ( typeof handler === "string" ? instance[ handler ] : handler )
                    .apply( instance, arguments );
            }

            // Copy the guid so direct unbinding works
            if ( typeof handler !== "string" ) {
                handlerProxy.guid = handler.guid =
                    handler.guid || handlerProxy.guid || $.guid++;
            }

            var match = event.match( /^([\w:-]*)\s*(.*)$/ );
            var eventName = match[ 1 ] + instance.eventNamespace;
            var selector = match[ 2 ];

            if ( selector ) {
                delegateElement.on( eventName, selector, handlerProxy );
            } else {
                element.on( eventName, handlerProxy );
            }
        } );
    },

    _off: function( element, eventName ) {
        eventName = ( eventName || "" ).split( " " ).join( this.eventNamespace + " " ) +
            this.eventNamespace;
        element.off( eventName ).off( eventName );

        // Clear the stack to avoid memory leaks (#10056)
        this.bindings = $( this.bindings.not( element ).get() );
        this.focusable = $( this.focusable.not( element ).get() );
        this.hoverable = $( this.hoverable.not( element ).get() );
    },

    _delay: function( handler, delay ) {
        function handlerProxy() {
            return ( typeof handler === "string" ? instance[ handler ] : handler )
                .apply( instance, arguments );
        }
        var instance = this;
        return setTimeout( handlerProxy, delay || 0 );
    },

    _hoverable: function( element ) {
        this.hoverable = this.hoverable.add( element );
        this._on( element, {
            mouseenter: function( event ) {
                this._addClass( $( event.currentTarget ), null, "ui-state-hover" );
            },
            mouseleave: function( event ) {
                this._removeClass( $( event.currentTarget ), null, "ui-state-hover" );
            }
        } );
    },

    _focusable: function( element ) {
        this.focusable = this.focusable.add( element );
        this._on( element, {
            focusin: function( event ) {
                this._addClass( $( event.currentTarget ), null, "ui-state-focus" );
            },
            focusout: function( event ) {
                this._removeClass( $( event.currentTarget ), null, "ui-state-focus" );
            }
        } );
    },

    _trigger: function( type, event, data ) {
        var prop, orig;
        var callback = this.options[ type ];

        data = data || {};
        event = $.Event( event );
        event.type = ( type === this.widgetEventPrefix ?
            type :
            this.widgetEventPrefix + type ).toLowerCase();

        // The original event may come from any element
        // so we need to reset the target on the new event
        event.target = this.element[ 0 ];

        // Copy original event properties over to the new event
        orig = event.originalEvent;
        if ( orig ) {
            for ( prop in orig ) {
                if ( !( prop in event ) ) {
                    event[ prop ] = orig[ prop ];
                }
            }
        }

        this.element.trigger( event, data );
        return !( $.isFunction( callback ) &&
            callback.apply( this.element[ 0 ], [ event ].concat( data ) ) === false ||
            event.isDefaultPrevented() );
    }
};

$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
    $.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
        if ( typeof options === "string" ) {
            options = { effect: options };
        }

        var hasOptions;
        var effectName = !options ?
            method :
            options === true || typeof options === "number" ?
                defaultEffect :
                options.effect || defaultEffect;

        options = options || {};
        if ( typeof options === "number" ) {
            options = { duration: options };
        }

        hasOptions = !$.isEmptyObject( options );
        options.complete = callback;

        if ( options.delay ) {
            element.delay( options.delay );
        }

        if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
            element[ method ]( options );
        } else if ( effectName !== method && element[ effectName ] ) {
            element[ effectName ]( options.duration, options.easing, callback );
        } else {
            element.queue( function( next ) {
                $( this )[ method ]();
                if ( callback ) {
                    callback.call( element[ 0 ] );
                }
                next();
            } );
        }
    };
} );

var widget = $.widget;


//>>label: Position
//>>group: Core
//>>description: Positions elements relative to other elements.
//>>docs: http://api.jqueryui.com/position/
//>>demos: http://jqueryui.com/position/


( function() {
var cachedScrollbarWidth,
    max = Math.max,
    abs = Math.abs,
    rhorizontal = /left|center|right/,
    rvertical = /top|center|bottom/,
    roffset = /[\+\-]\d+(\.[\d]+)?%?/,
    rposition = /^\w+/,
    rpercent = /%$/,
    _position = $.fn.position;

function getOffsets( offsets, width, height ) {
    return [
        parseFloat( offsets[ 0 ] ) * ( rpercent.test( offsets[ 0 ] ) ? width / 100 : 1 ),
        parseFloat( offsets[ 1 ] ) * ( rpercent.test( offsets[ 1 ] ) ? height / 100 : 1 )
    ];
}

function parseCss( element, property ) {
    return parseInt( $.css( element, property ), 10 ) || 0;
}

function getDimensions( elem ) {
    var raw = elem[ 0 ];
    if ( raw.nodeType === 9 ) {
        return {
            width: elem.width(),
            height: elem.height(),
            offset: { top: 0, left: 0 }
        };
    }
    if ( $.isWindow( raw ) ) {
        return {
            width: elem.width(),
            height: elem.height(),
            offset: { top: elem.scrollTop(), left: elem.scrollLeft() }
        };
    }
    if ( raw.preventDefault ) {
        return {
            width: 0,
            height: 0,
            offset: { top: raw.pageY, left: raw.pageX }
        };
    }
    return {
        width: elem.outerWidth(),
        height: elem.outerHeight(),
        offset: elem.offset()
    };
}

$.position = {
    scrollbarWidth: function() {
        if ( cachedScrollbarWidth !== undefined ) {
            return cachedScrollbarWidth;
        }
        var w1, w2,
            div = $( "<div " +
                "style='display:block;position:absolute;width:50px;height:50px;overflow:hidden;'>" +
                "<div style='height:100px;width:auto;'></div></div>" ),
            innerDiv = div.children()[ 0 ];

        $( "body" ).append( div );
        w1 = innerDiv.offsetWidth;
        div.css( "overflow", "scroll" );

        w2 = innerDiv.offsetWidth;

        if ( w1 === w2 ) {
            w2 = div[ 0 ].clientWidth;
        }

        div.remove();

        return ( cachedScrollbarWidth = w1 - w2 );
    },
    getScrollInfo: function( within ) {
        var overflowX = within.isWindow || within.isDocument ? "" :
                within.element.css( "overflow-x" ),
            overflowY = within.isWindow || within.isDocument ? "" :
                within.element.css( "overflow-y" ),
            hasOverflowX = overflowX === "scroll" ||
                ( overflowX === "auto" && within.width < within.element[ 0 ].scrollWidth ),
            hasOverflowY = overflowY === "scroll" ||
                ( overflowY === "auto" && within.height < within.element[ 0 ].scrollHeight );
        return {
            width: hasOverflowY ? $.position.scrollbarWidth() : 0,
            height: hasOverflowX ? $.position.scrollbarWidth() : 0
        };
    },
    getWithinInfo: function( element ) {
        var withinElement = $( element || window ),
            isWindow = $.isWindow( withinElement[ 0 ] ),
            isDocument = !!withinElement[ 0 ] && withinElement[ 0 ].nodeType === 9,
            hasOffset = !isWindow && !isDocument;
        return {
            element: withinElement,
            isWindow: isWindow,
            isDocument: isDocument,
            offset: hasOffset ? $( element ).offset() : { left: 0, top: 0 },
            scrollLeft: withinElement.scrollLeft(),
            scrollTop: withinElement.scrollTop(),
            width: withinElement.outerWidth(),
            height: withinElement.outerHeight()
        };
    }
};

$.fn.position = function( options ) {
    if ( !options || !options.of ) {
        return _position.apply( this, arguments );
    }

    // Make a copy, we don't want to modify arguments
    options = $.extend( {}, options );

    var atOffset, targetWidth, targetHeight, targetOffset, basePosition, dimensions,
        target = $( options.of ),
        within = $.position.getWithinInfo( options.within ),
        scrollInfo = $.position.getScrollInfo( within ),
        collision = ( options.collision || "flip" ).split( " " ),
        offsets = {};

    dimensions = getDimensions( target );
    if ( target[ 0 ].preventDefault ) {

        // Force left top to allow flipping
        options.at = "left top";
    }
    targetWidth = dimensions.width;
    targetHeight = dimensions.height;
    targetOffset = dimensions.offset;

    // Clone to reuse original targetOffset later
    basePosition = $.extend( {}, targetOffset );

    // Force my and at to have valid horizontal and vertical positions
    // if a value is missing or invalid, it will be converted to center
    $.each( [ "my", "at" ], function() {
        var pos = ( options[ this ] || "" ).split( " " ),
            horizontalOffset,
            verticalOffset;

        if ( pos.length === 1 ) {
            pos = rhorizontal.test( pos[ 0 ] ) ?
                pos.concat( [ "center" ] ) :
                rvertical.test( pos[ 0 ] ) ?
                    [ "center" ].concat( pos ) :
                    [ "center", "center" ];
        }
        pos[ 0 ] = rhorizontal.test( pos[ 0 ] ) ? pos[ 0 ] : "center";
        pos[ 1 ] = rvertical.test( pos[ 1 ] ) ? pos[ 1 ] : "center";

        // Calculate offsets
        horizontalOffset = roffset.exec( pos[ 0 ] );
        verticalOffset = roffset.exec( pos[ 1 ] );
        offsets[ this ] = [
            horizontalOffset ? horizontalOffset[ 0 ] : 0,
            verticalOffset ? verticalOffset[ 0 ] : 0
        ];

        // Reduce to just the positions without the offsets
        options[ this ] = [
            rposition.exec( pos[ 0 ] )[ 0 ],
            rposition.exec( pos[ 1 ] )[ 0 ]
        ];
    } );

    // Normalize collision option
    if ( collision.length === 1 ) {
        collision[ 1 ] = collision[ 0 ];
    }

    if ( options.at[ 0 ] === "right" ) {
        basePosition.left += targetWidth;
    } else if ( options.at[ 0 ] === "center" ) {
        basePosition.left += targetWidth / 2;
    }

    if ( options.at[ 1 ] === "bottom" ) {
        basePosition.top += targetHeight;
    } else if ( options.at[ 1 ] === "center" ) {
        basePosition.top += targetHeight / 2;
    }

    atOffset = getOffsets( offsets.at, targetWidth, targetHeight );
    basePosition.left += atOffset[ 0 ];
    basePosition.top += atOffset[ 1 ];

    return this.each( function() {
        var collisionPosition, using,
            elem = $( this ),
            elemWidth = elem.outerWidth(),
            elemHeight = elem.outerHeight(),
            marginLeft = parseCss( this, "marginLeft" ),
            marginTop = parseCss( this, "marginTop" ),
            collisionWidth = elemWidth + marginLeft + parseCss( this, "marginRight" ) +
                scrollInfo.width,
            collisionHeight = elemHeight + marginTop + parseCss( this, "marginBottom" ) +
                scrollInfo.height,
            position = $.extend( {}, basePosition ),
            myOffset = getOffsets( offsets.my, elem.outerWidth(), elem.outerHeight() );

        if ( options.my[ 0 ] === "right" ) {
            position.left -= elemWidth;
        } else if ( options.my[ 0 ] === "center" ) {
            position.left -= elemWidth / 2;
        }

        if ( options.my[ 1 ] === "bottom" ) {
            position.top -= elemHeight;
        } else if ( options.my[ 1 ] === "center" ) {
            position.top -= elemHeight / 2;
        }

        position.left += myOffset[ 0 ];
        position.top += myOffset[ 1 ];

        collisionPosition = {
            marginLeft: marginLeft,
            marginTop: marginTop
        };

        $.each( [ "left", "top" ], function( i, dir ) {
            if ( $.ui.position[ collision[ i ] ] ) {
                $.ui.position[ collision[ i ] ][ dir ]( position, {
                    targetWidth: targetWidth,
                    targetHeight: targetHeight,
                    elemWidth: elemWidth,
                    elemHeight: elemHeight,
                    collisionPosition: collisionPosition,
                    collisionWidth: collisionWidth,
                    collisionHeight: collisionHeight,
                    offset: [ atOffset[ 0 ] + myOffset[ 0 ], atOffset [ 1 ] + myOffset[ 1 ] ],
                    my: options.my,
                    at: options.at,
                    within: within,
                    elem: elem
                } );
            }
        } );

        if ( options.using ) {

            // Adds feedback as second argument to using callback, if present
            using = function( props ) {
                var left = targetOffset.left - position.left,
                    right = left + targetWidth - elemWidth,
                    top = targetOffset.top - position.top,
                    bottom = top + targetHeight - elemHeight,
                    feedback = {
                        target: {
                            element: target,
                            left: targetOffset.left,
                            top: targetOffset.top,
                            width: targetWidth,
                            height: targetHeight
                        },
                        element: {
                            element: elem,
                            left: position.left,
                            top: position.top,
                            width: elemWidth,
                            height: elemHeight
                        },
                        horizontal: right < 0 ? "left" : left > 0 ? "right" : "center",
                        vertical: bottom < 0 ? "top" : top > 0 ? "bottom" : "middle"
                    };
                if ( targetWidth < elemWidth && abs( left + right ) < targetWidth ) {
                    feedback.horizontal = "center";
                }
                if ( targetHeight < elemHeight && abs( top + bottom ) < targetHeight ) {
                    feedback.vertical = "middle";
                }
                if ( max( abs( left ), abs( right ) ) > max( abs( top ), abs( bottom ) ) ) {
                    feedback.important = "horizontal";
                } else {
                    feedback.important = "vertical";
                }
                options.using.call( this, props, feedback );
            };
        }

        elem.offset( $.extend( position, { using: using } ) );
    } );
};

$.ui.position = {
    fit: {
        left: function( position, data ) {
            var within = data.within,
                withinOffset = within.isWindow ? within.scrollLeft : within.offset.left,
                outerWidth = within.width,
                collisionPosLeft = position.left - data.collisionPosition.marginLeft,
                overLeft = withinOffset - collisionPosLeft,
                overRight = collisionPosLeft + data.collisionWidth - outerWidth - withinOffset,
                newOverRight;

            // Element is wider than within
            if ( data.collisionWidth > outerWidth ) {

                // Element is initially over the left side of within
                if ( overLeft > 0 && overRight <= 0 ) {
                    newOverRight = position.left + overLeft + data.collisionWidth - outerWidth -
                        withinOffset;
                    position.left += overLeft - newOverRight;

                // Element is initially over right side of within
                } else if ( overRight > 0 && overLeft <= 0 ) {
                    position.left = withinOffset;

                // Element is initially over both left and right sides of within
                } else {
                    if ( overLeft > overRight ) {
                        position.left = withinOffset + outerWidth - data.collisionWidth;
                    } else {
                        position.left = withinOffset;
                    }
                }

            // Too far left -> align with left edge
            } else if ( overLeft > 0 ) {
                position.left += overLeft;

            // Too far right -> align with right edge
            } else if ( overRight > 0 ) {
                position.left -= overRight;

            // Adjust based on position and margin
            } else {
                position.left = max( position.left - collisionPosLeft, position.left );
            }
        },
        top: function( position, data ) {
            var within = data.within,
                withinOffset = within.isWindow ? within.scrollTop : within.offset.top,
                outerHeight = data.within.height,
                collisionPosTop = position.top - data.collisionPosition.marginTop,
                overTop = withinOffset - collisionPosTop,
                overBottom = collisionPosTop + data.collisionHeight - outerHeight - withinOffset,
                newOverBottom;

            // Element is taller than within
            if ( data.collisionHeight > outerHeight ) {

                // Element is initially over the top of within
                if ( overTop > 0 && overBottom <= 0 ) {
                    newOverBottom = position.top + overTop + data.collisionHeight - outerHeight -
                        withinOffset;
                    position.top += overTop - newOverBottom;

                // Element is initially over bottom of within
                } else if ( overBottom > 0 && overTop <= 0 ) {
                    position.top = withinOffset;

                // Element is initially over both top and bottom of within
                } else {
                    if ( overTop > overBottom ) {
                        position.top = withinOffset + outerHeight - data.collisionHeight;
                    } else {
                        position.top = withinOffset;
                    }
                }

            // Too far up -> align with top
            } else if ( overTop > 0 ) {
                position.top += overTop;

            // Too far down -> align with bottom edge
            } else if ( overBottom > 0 ) {
                position.top -= overBottom;

            // Adjust based on position and margin
            } else {
                position.top = max( position.top - collisionPosTop, position.top );
            }
        }
    },
    flip: {
        left: function( position, data ) {
            var within = data.within,
                withinOffset = within.offset.left + within.scrollLeft,
                outerWidth = within.width,
                offsetLeft = within.isWindow ? within.scrollLeft : within.offset.left,
                collisionPosLeft = position.left - data.collisionPosition.marginLeft,
                overLeft = collisionPosLeft - offsetLeft,
                overRight = collisionPosLeft + data.collisionWidth - outerWidth - offsetLeft,
                myOffset = data.my[ 0 ] === "left" ?
                    -data.elemWidth :
                    data.my[ 0 ] === "right" ?
                        data.elemWidth :
                        0,
                atOffset = data.at[ 0 ] === "left" ?
                    data.targetWidth :
                    data.at[ 0 ] === "right" ?
                        -data.targetWidth :
                        0,
                offset = -2 * data.offset[ 0 ],
                newOverRight,
                newOverLeft;

            if ( overLeft < 0 ) {
                newOverRight = position.left + myOffset + atOffset + offset + data.collisionWidth -
                    outerWidth - withinOffset;
                if ( newOverRight < 0 || newOverRight < abs( overLeft ) ) {
                    position.left += myOffset + atOffset + offset;
                }
            } else if ( overRight > 0 ) {
                newOverLeft = position.left - data.collisionPosition.marginLeft + myOffset +
                    atOffset + offset - offsetLeft;
                if ( newOverLeft > 0 || abs( newOverLeft ) < overRight ) {
                    position.left += myOffset + atOffset + offset;
                }
            }
        },
        top: function( position, data ) {
            var within = data.within,
                withinOffset = within.offset.top + within.scrollTop,
                outerHeight = within.height,
                offsetTop = within.isWindow ? within.scrollTop : within.offset.top,
                collisionPosTop = position.top - data.collisionPosition.marginTop,
                overTop = collisionPosTop - offsetTop,
                overBottom = collisionPosTop + data.collisionHeight - outerHeight - offsetTop,
                top = data.my[ 1 ] === "top",
                myOffset = top ?
                    -data.elemHeight :
                    data.my[ 1 ] === "bottom" ?
                        data.elemHeight :
                        0,
                atOffset = data.at[ 1 ] === "top" ?
                    data.targetHeight :
                    data.at[ 1 ] === "bottom" ?
                        -data.targetHeight :
                        0,
                offset = -2 * data.offset[ 1 ],
                newOverTop,
                newOverBottom;
            if ( overTop < 0 ) {
                newOverBottom = position.top + myOffset + atOffset + offset + data.collisionHeight -
                    outerHeight - withinOffset;
                if ( newOverBottom < 0 || newOverBottom < abs( overTop ) ) {
                    position.top += myOffset + atOffset + offset;
                }
            } else if ( overBottom > 0 ) {
                newOverTop = position.top - data.collisionPosition.marginTop + myOffset + atOffset +
                    offset - offsetTop;
                if ( newOverTop > 0 || abs( newOverTop ) < overBottom ) {
                    position.top += myOffset + atOffset + offset;
                }
            }
        }
    },
    flipfit: {
        left: function() {
            $.ui.position.flip.left.apply( this, arguments );
            $.ui.position.fit.left.apply( this, arguments );
        },
        top: function() {
            $.ui.position.flip.top.apply( this, arguments );
            $.ui.position.fit.top.apply( this, arguments );
        }
    }
};

} )();

var position = $.ui.position;


//>>label: :data Selector
//>>group: Core
//>>description: Selects elements which have data stored under the specified key.
//>>docs: http://api.jqueryui.com/data-selector/


var data = $.extend( $.expr[ ":" ], {
    data: $.expr.createPseudo ?
        $.expr.createPseudo( function( dataName ) {
            return function( elem ) {
                return !!$.data( elem, dataName );
            };
        } ) :

        // Support: jQuery <1.8
        function( elem, i, match ) {
            return !!$.data( elem, match[ 3 ] );
        }
} );

//>>label: disableSelection
//>>group: Core
//>>description: Disable selection of text content within the set of matched elements.
//>>docs: http://api.jqueryui.com/disableSelection/

// This file is deprecated


var disableSelection = $.fn.extend( {
    disableSelection: ( function() {
        var eventType = "onselectstart" in document.createElement( "div" ) ?
            "selectstart" :
            "mousedown";

        return function() {
            return this.on( eventType + ".ui-disableSelection", function( event ) {
                event.preventDefault();
            } );
        };
    } )(),

    enableSelection: function() {
        return this.off( ".ui-disableSelection" );
    }
} );


//>>label: Effects Core
//>>group: Effects
// jscs:disable maximumLineLength
//>>description: Extends the internal jQuery effects. Includes morphing and easing. Required by all other effects.
// jscs:enable maximumLineLength
//>>docs: http://api.jqueryui.com/category/effects-core/
//>>demos: http://jqueryui.com/effect/



var dataSpace = "ui-effects-",
    dataSpaceStyle = "ui-effects-style",
    dataSpaceAnimated = "ui-effects-animated",

    // Create a local jQuery because jQuery Color relies on it and the
    // global may not exist with AMD and a custom build (#10199)
    jQuery = $;

$.effects = {
    effect: {}
};

( function( jQuery, undefined ) {

    var stepHooks = "backgroundColor borderBottomColor borderLeftColor borderRightColor " +
        "borderTopColor color columnRuleColor outlineColor textDecorationColor textEmphasisColor",

    // Plusequals test for += 100 -= 100
    rplusequals = /^([\-+])=\s*(\d+\.?\d*)/,

    // A set of RE's that can match strings and generate color tuples.
    stringParsers = [ {
            re: /rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
            parse: function( execResult ) {
                return [
                    execResult[ 1 ],
                    execResult[ 2 ],
                    execResult[ 3 ],
                    execResult[ 4 ]
                ];
            }
        }, {
            re: /rgba?\(\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
            parse: function( execResult ) {
                return [
                    execResult[ 1 ] * 2.55,
                    execResult[ 2 ] * 2.55,
                    execResult[ 3 ] * 2.55,
                    execResult[ 4 ]
                ];
            }
        }, {

            // This regex ignores A-F because it's compared against an already lowercased string
            re: /#([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})/,
            parse: function( execResult ) {
                return [
                    parseInt( execResult[ 1 ], 16 ),
                    parseInt( execResult[ 2 ], 16 ),
                    parseInt( execResult[ 3 ], 16 )
                ];
            }
        }, {

            // This regex ignores A-F because it's compared against an already lowercased string
            re: /#([a-f0-9])([a-f0-9])([a-f0-9])/,
            parse: function( execResult ) {
                return [
                    parseInt( execResult[ 1 ] + execResult[ 1 ], 16 ),
                    parseInt( execResult[ 2 ] + execResult[ 2 ], 16 ),
                    parseInt( execResult[ 3 ] + execResult[ 3 ], 16 )
                ];
            }
        }, {
            re: /hsla?\(\s*(\d+(?:\.\d+)?)\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
            space: "hsla",
            parse: function( execResult ) {
                return [
                    execResult[ 1 ],
                    execResult[ 2 ] / 100,
                    execResult[ 3 ] / 100,
                    execResult[ 4 ]
                ];
            }
        } ],

    // JQuery.Color( )
    color = jQuery.Color = function( color, green, blue, alpha ) {
        return new jQuery.Color.fn.parse( color, green, blue, alpha );
    },
    spaces = {
        rgba: {
            props: {
                red: {
                    idx: 0,
                    type: "byte"
                },
                green: {
                    idx: 1,
                    type: "byte"
                },
                blue: {
                    idx: 2,
                    type: "byte"
                }
            }
        },

        hsla: {
            props: {
                hue: {
                    idx: 0,
                    type: "degrees"
                },
                saturation: {
                    idx: 1,
                    type: "percent"
                },
                lightness: {
                    idx: 2,
                    type: "percent"
                }
            }
        }
    },
    propTypes = {
        "byte": {
            floor: true,
            max: 255
        },
        "percent": {
            max: 1
        },
        "degrees": {
            mod: 360,
            floor: true
        }
    },
    support = color.support = {},

    // Element for support tests
    supportElem = jQuery( "<p>" )[ 0 ],

    // Colors = jQuery.Color.names
    colors,

    // Local aliases of functions called often
    each = jQuery.each;

// Determine rgba support immediately
supportElem.style.cssText = "background-color:rgba(1,1,1,.5)";
support.rgba = supportElem.style.backgroundColor.indexOf( "rgba" ) > -1;

// Define cache name and alpha properties
// for rgba and hsla spaces
each( spaces, function( spaceName, space ) {
    space.cache = "_" + spaceName;
    space.props.alpha = {
        idx: 3,
        type: "percent",
        def: 1
    };
} );

function clamp( value, prop, allowEmpty ) {
    var type = propTypes[ prop.type ] || {};

    if ( value == null ) {
        return ( allowEmpty || !prop.def ) ? null : prop.def;
    }

    // ~~ is an short way of doing floor for positive numbers
    value = type.floor ? ~~value : parseFloat( value );

    // IE will pass in empty strings as value for alpha,
    // which will hit this case
    if ( isNaN( value ) ) {
        return prop.def;
    }

    if ( type.mod ) {

        // We add mod before modding to make sure that negatives values
        // get converted properly: -10 -> 350
        return ( value + type.mod ) % type.mod;
    }

    // For now all property types without mod have min and max
    return 0 > value ? 0 : type.max < value ? type.max : value;
}

function stringParse( string ) {
    var inst = color(),
        rgba = inst._rgba = [];

    string = string.toLowerCase();

    each( stringParsers, function( i, parser ) {
        var parsed,
            match = parser.re.exec( string ),
            values = match && parser.parse( match ),
            spaceName = parser.space || "rgba";

        if ( values ) {
            parsed = inst[ spaceName ]( values );

            // If this was an rgba parse the assignment might happen twice
            // oh well....
            inst[ spaces[ spaceName ].cache ] = parsed[ spaces[ spaceName ].cache ];
            rgba = inst._rgba = parsed._rgba;

            // Exit each( stringParsers ) here because we matched
            return false;
        }
    } );

    // Found a stringParser that handled it
    if ( rgba.length ) {

        // If this came from a parsed string, force "transparent" when alpha is 0
        // chrome, (and maybe others) return "transparent" as rgba(0,0,0,0)
        if ( rgba.join() === "0,0,0,0" ) {
            jQuery.extend( rgba, colors.transparent );
        }
        return inst;
    }

    // Named colors
    return colors[ string ];
}

color.fn = jQuery.extend( color.prototype, {
    parse: function( red, green, blue, alpha ) {
        if ( red === undefined ) {
            this._rgba = [ null, null, null, null ];
            return this;
        }
        if ( red.jquery || red.nodeType ) {
            red = jQuery( red ).css( green );
            green = undefined;
        }

        var inst = this,
            type = jQuery.type( red ),
            rgba = this._rgba = [];

        // More than 1 argument specified - assume ( red, green, blue, alpha )
        if ( green !== undefined ) {
            red = [ red, green, blue, alpha ];
            type = "array";
        }

        if ( type === "string" ) {
            return this.parse( stringParse( red ) || colors._default );
        }

        if ( type === "array" ) {
            each( spaces.rgba.props, function( key, prop ) {
                rgba[ prop.idx ] = clamp( red[ prop.idx ], prop );
            } );
            return this;
        }

        if ( type === "object" ) {
            if ( red instanceof color ) {
                each( spaces, function( spaceName, space ) {
                    if ( red[ space.cache ] ) {
                        inst[ space.cache ] = red[ space.cache ].slice();
                    }
                } );
            } else {
                each( spaces, function( spaceName, space ) {
                    var cache = space.cache;
                    each( space.props, function( key, prop ) {

                        // If the cache doesn't exist, and we know how to convert
                        if ( !inst[ cache ] && space.to ) {

                            // If the value was null, we don't need to copy it
                            // if the key was alpha, we don't need to copy it either
                            if ( key === "alpha" || red[ key ] == null ) {
                                return;
                            }
                            inst[ cache ] = space.to( inst._rgba );
                        }

                        // This is the only case where we allow nulls for ALL properties.
                        // call clamp with alwaysAllowEmpty
                        inst[ cache ][ prop.idx ] = clamp( red[ key ], prop, true );
                    } );

                    // Everything defined but alpha?
                    if ( inst[ cache ] &&
                            jQuery.inArray( null, inst[ cache ].slice( 0, 3 ) ) < 0 ) {

                        // Use the default of 1
                        inst[ cache ][ 3 ] = 1;
                        if ( space.from ) {
                            inst._rgba = space.from( inst[ cache ] );
                        }
                    }
                } );
            }
            return this;
        }
    },
    is: function( compare ) {
        var is = color( compare ),
            same = true,
            inst = this;

        each( spaces, function( _, space ) {
            var localCache,
                isCache = is[ space.cache ];
            if ( isCache ) {
                localCache = inst[ space.cache ] || space.to && space.to( inst._rgba ) || [];
                each( space.props, function( _, prop ) {
                    if ( isCache[ prop.idx ] != null ) {
                        same = ( isCache[ prop.idx ] === localCache[ prop.idx ] );
                        return same;
                    }
                } );
            }
            return same;
        } );
        return same;
    },
    _space: function() {
        var used = [],
            inst = this;
        each( spaces, function( spaceName, space ) {
            if ( inst[ space.cache ] ) {
                used.push( spaceName );
            }
        } );
        return used.pop();
    },
    transition: function( other, distance ) {
        var end = color( other ),
            spaceName = end._space(),
            space = spaces[ spaceName ],
            startColor = this.alpha() === 0 ? color( "transparent" ) : this,
            start = startColor[ space.cache ] || space.to( startColor._rgba ),
            result = start.slice();

        end = end[ space.cache ];
        each( space.props, function( key, prop ) {
            var index = prop.idx,
                startValue = start[ index ],
                endValue = end[ index ],
                type = propTypes[ prop.type ] || {};

            // If null, don't override start value
            if ( endValue === null ) {
                return;
            }

            // If null - use end
            if ( startValue === null ) {
                result[ index ] = endValue;
            } else {
                if ( type.mod ) {
                    if ( endValue - startValue > type.mod / 2 ) {
                        startValue += type.mod;
                    } else if ( startValue - endValue > type.mod / 2 ) {
                        startValue -= type.mod;
                    }
                }
                result[ index ] = clamp( ( endValue - startValue ) * distance + startValue, prop );
            }
        } );
        return this[ spaceName ]( result );
    },
    blend: function( opaque ) {

        // If we are already opaque - return ourself
        if ( this._rgba[ 3 ] === 1 ) {
            return this;
        }

        var rgb = this._rgba.slice(),
            a = rgb.pop(),
            blend = color( opaque )._rgba;

        return color( jQuery.map( rgb, function( v, i ) {
            return ( 1 - a ) * blend[ i ] + a * v;
        } ) );
    },
    toRgbaString: function() {
        var prefix = "rgba(",
            rgba = jQuery.map( this._rgba, function( v, i ) {
                return v == null ? ( i > 2 ? 1 : 0 ) : v;
            } );

        if ( rgba[ 3 ] === 1 ) {
            rgba.pop();
            prefix = "rgb(";
        }

        return prefix + rgba.join() + ")";
    },
    toHslaString: function() {
        var prefix = "hsla(",
            hsla = jQuery.map( this.hsla(), function( v, i ) {
                if ( v == null ) {
                    v = i > 2 ? 1 : 0;
                }

                // Catch 1 and 2
                if ( i && i < 3 ) {
                    v = Math.round( v * 100 ) + "%";
                }
                return v;
            } );

        if ( hsla[ 3 ] === 1 ) {
            hsla.pop();
            prefix = "hsl(";
        }
        return prefix + hsla.join() + ")";
    },
    toHexString: function( includeAlpha ) {
        var rgba = this._rgba.slice(),
            alpha = rgba.pop();

        if ( includeAlpha ) {
            rgba.push( ~~( alpha * 255 ) );
        }

        return "#" + jQuery.map( rgba, function( v ) {

            // Default to 0 when nulls exist
            v = ( v || 0 ).toString( 16 );
            return v.length === 1 ? "0" + v : v;
        } ).join( "" );
    },
    toString: function() {
        return this._rgba[ 3 ] === 0 ? "transparent" : this.toRgbaString();
    }
} );
color.fn.parse.prototype = color.fn;

// Hsla conversions adapted from:
// https://code.google.com/p/maashaack/source/browse/packages/graphics/trunk/src/graphics/colors/HUE2RGB.as?r=5021

function hue2rgb( p, q, h ) {
    h = ( h + 1 ) % 1;
    if ( h * 6 < 1 ) {
        return p + ( q - p ) * h * 6;
    }
    if ( h * 2 < 1 ) {
        return q;
    }
    if ( h * 3 < 2 ) {
        return p + ( q - p ) * ( ( 2 / 3 ) - h ) * 6;
    }
    return p;
}

spaces.hsla.to = function( rgba ) {
    if ( rgba[ 0 ] == null || rgba[ 1 ] == null || rgba[ 2 ] == null ) {
        return [ null, null, null, rgba[ 3 ] ];
    }
    var r = rgba[ 0 ] / 255,
        g = rgba[ 1 ] / 255,
        b = rgba[ 2 ] / 255,
        a = rgba[ 3 ],
        max = Math.max( r, g, b ),
        min = Math.min( r, g, b ),
        diff = max - min,
        add = max + min,
        l = add * 0.5,
        h, s;

    if ( min === max ) {
        h = 0;
    } else if ( r === max ) {
        h = ( 60 * ( g - b ) / diff ) + 360;
    } else if ( g === max ) {
        h = ( 60 * ( b - r ) / diff ) + 120;
    } else {
        h = ( 60 * ( r - g ) / diff ) + 240;
    }

    // Chroma (diff) == 0 means greyscale which, by definition, saturation = 0%
    // otherwise, saturation is based on the ratio of chroma (diff) to lightness (add)
    if ( diff === 0 ) {
        s = 0;
    } else if ( l <= 0.5 ) {
        s = diff / add;
    } else {
        s = diff / ( 2 - add );
    }
    return [ Math.round( h ) % 360, s, l, a == null ? 1 : a ];
};

spaces.hsla.from = function( hsla ) {
    if ( hsla[ 0 ] == null || hsla[ 1 ] == null || hsla[ 2 ] == null ) {
        return [ null, null, null, hsla[ 3 ] ];
    }
    var h = hsla[ 0 ] / 360,
        s = hsla[ 1 ],
        l = hsla[ 2 ],
        a = hsla[ 3 ],
        q = l <= 0.5 ? l * ( 1 + s ) : l + s - l * s,
        p = 2 * l - q;

    return [
        Math.round( hue2rgb( p, q, h + ( 1 / 3 ) ) * 255 ),
        Math.round( hue2rgb( p, q, h ) * 255 ),
        Math.round( hue2rgb( p, q, h - ( 1 / 3 ) ) * 255 ),
        a
    ];
};

each( spaces, function( spaceName, space ) {
    var props = space.props,
        cache = space.cache,
        to = space.to,
        from = space.from;

    // Makes rgba() and hsla()
    color.fn[ spaceName ] = function( value ) {

        // Generate a cache for this space if it doesn't exist
        if ( to && !this[ cache ] ) {
            this[ cache ] = to( this._rgba );
        }
        if ( value === undefined ) {
            return this[ cache ].slice();
        }

        var ret,
            type = jQuery.type( value ),
            arr = ( type === "array" || type === "object" ) ? value : arguments,
            local = this[ cache ].slice();

        each( props, function( key, prop ) {
            var val = arr[ type === "object" ? key : prop.idx ];
            if ( val == null ) {
                val = local[ prop.idx ];
            }
            local[ prop.idx ] = clamp( val, prop );
        } );

        if ( from ) {
            ret = color( from( local ) );
            ret[ cache ] = local;
            return ret;
        } else {
            return color( local );
        }
    };

    // Makes red() green() blue() alpha() hue() saturation() lightness()
    each( props, function( key, prop ) {

        // Alpha is included in more than one space
        if ( color.fn[ key ] ) {
            return;
        }
        color.fn[ key ] = function( value ) {
            var vtype = jQuery.type( value ),
                fn = ( key === "alpha" ? ( this._hsla ? "hsla" : "rgba" ) : spaceName ),
                local = this[ fn ](),
                cur = local[ prop.idx ],
                match;

            if ( vtype === "undefined" ) {
                return cur;
            }

            if ( vtype === "function" ) {
                value = value.call( this, cur );
                vtype = jQuery.type( value );
            }
            if ( value == null && prop.empty ) {
                return this;
            }
            if ( vtype === "string" ) {
                match = rplusequals.exec( value );
                if ( match ) {
                    value = cur + parseFloat( match[ 2 ] ) * ( match[ 1 ] === "+" ? 1 : -1 );
                }
            }
            local[ prop.idx ] = value;
            return this[ fn ]( local );
        };
    } );
} );

// Add cssHook and .fx.step function for each named hook.
// accept a space separated string of properties
color.hook = function( hook ) {
    var hooks = hook.split( " " );
    each( hooks, function( i, hook ) {
        jQuery.cssHooks[ hook ] = {
            set: function( elem, value ) {
                var parsed, curElem,
                    backgroundColor = "";

                if ( value !== "transparent" && ( jQuery.type( value ) !== "string" ||
                        ( parsed = stringParse( value ) ) ) ) {
                    value = color( parsed || value );
                    if ( !support.rgba && value._rgba[ 3 ] !== 1 ) {
                        curElem = hook === "backgroundColor" ? elem.parentNode : elem;
                        while (
                            ( backgroundColor === "" || backgroundColor === "transparent" ) &&
                            curElem && curElem.style
                        ) {
                            try {
                                backgroundColor = jQuery.css( curElem, "backgroundColor" );
                                curElem = curElem.parentNode;
                            } catch ( e ) {
                            }
                        }

                        value = value.blend( backgroundColor && backgroundColor !== "transparent" ?
                            backgroundColor :
                            "_default" );
                    }

                    value = value.toRgbaString();
                }
                try {
                    elem.style[ hook ] = value;
                } catch ( e ) {

                    // Wrapped to prevent IE from throwing errors on "invalid" values like
                    // 'auto' or 'inherit'
                }
            }
        };
        jQuery.fx.step[ hook ] = function( fx ) {
            if ( !fx.colorInit ) {
                fx.start = color( fx.elem, hook );
                fx.end = color( fx.end );
                fx.colorInit = true;
            }
            jQuery.cssHooks[ hook ].set( fx.elem, fx.start.transition( fx.end, fx.pos ) );
        };
    } );

};

color.hook( stepHooks );

jQuery.cssHooks.borderColor = {
    expand: function( value ) {
        var expanded = {};

        each( [ "Top", "Right", "Bottom", "Left" ], function( i, part ) {
            expanded[ "border" + part + "Color" ] = value;
        } );
        return expanded;
    }
};

// Basic color names only.
// Usage of any of the other color names requires adding yourself or including
// jquery.color.svg-names.js.
colors = jQuery.Color.names = {

    // 4.1. Basic color keywords
    aqua: "#00ffff",
    black: "#000000",
    blue: "#0000ff",
    fuchsia: "#ff00ff",
    gray: "#808080",
    green: "#008000",
    lime: "#00ff00",
    maroon: "#800000",
    navy: "#000080",
    olive: "#808000",
    purple: "#800080",
    red: "#ff0000",
    silver: "#c0c0c0",
    teal: "#008080",
    white: "#ffffff",
    yellow: "#ffff00",

    // 4.2.3. "transparent" color keyword
    transparent: [ null, null, null, 0 ],

    _default: "#ffffff"
};

} )( jQuery );

/******************************************************************************/
/****************************** CLASS ANIMATIONS ******************************/
/******************************************************************************/
( function() {

var classAnimationActions = [ "add", "remove", "toggle" ],
    shorthandStyles = {
        border: 1,
        borderBottom: 1,
        borderColor: 1,
        borderLeft: 1,
        borderRight: 1,
        borderTop: 1,
        borderWidth: 1,
        margin: 1,
        padding: 1
    };

$.each(
    [ "borderLeftStyle", "borderRightStyle", "borderBottomStyle", "borderTopStyle" ],
    function( _, prop ) {
        $.fx.step[ prop ] = function( fx ) {
            if ( fx.end !== "none" && !fx.setAttr || fx.pos === 1 && !fx.setAttr ) {
                jQuery.style( fx.elem, prop, fx.end );
                fx.setAttr = true;
            }
        };
    }
);

function getElementStyles( elem ) {
    var key, len,
        style = elem.ownerDocument.defaultView ?
            elem.ownerDocument.defaultView.getComputedStyle( elem, null ) :
            elem.currentStyle,
        styles = {};

    if ( style && style.length && style[ 0 ] && style[ style[ 0 ] ] ) {
        len = style.length;
        while ( len-- ) {
            key = style[ len ];
            if ( typeof style[ key ] === "string" ) {
                styles[ $.camelCase( key ) ] = style[ key ];
            }
        }

    // Support: Opera, IE <9
    } else {
        for ( key in style ) {
            if ( typeof style[ key ] === "string" ) {
                styles[ key ] = style[ key ];
            }
        }
    }

    return styles;
}

function styleDifference( oldStyle, newStyle ) {
    var diff = {},
        name, value;

    for ( name in newStyle ) {
        value = newStyle[ name ];
        if ( oldStyle[ name ] !== value ) {
            if ( !shorthandStyles[ name ] ) {
                if ( $.fx.step[ name ] || !isNaN( parseFloat( value ) ) ) {
                    diff[ name ] = value;
                }
            }
        }
    }

    return diff;
}

// Support: jQuery <1.8
if ( !$.fn.addBack ) {
    $.fn.addBack = function( selector ) {
        return this.add( selector == null ?
            this.prevObject : this.prevObject.filter( selector )
        );
    };
}

$.effects.animateClass = function( value, duration, easing, callback ) {
    var o = $.speed( duration, easing, callback );

    return this.queue( function() {
        var animated = $( this ),
            baseClass = animated.attr( "class" ) || "",
            applyClassChange,
            allAnimations = o.children ? animated.find( "*" ).addBack() : animated;

        // Map the animated objects to store the original styles.
        allAnimations = allAnimations.map( function() {
            var el = $( this );
            return {
                el: el,
                start: getElementStyles( this )
            };
        } );

        // Apply class change
        applyClassChange = function() {
            $.each( classAnimationActions, function( i, action ) {
                if ( value[ action ] ) {
                    animated[ action + "Class" ]( value[ action ] );
                }
            } );
        };
        applyClassChange();

        // Map all animated objects again - calculate new styles and diff
        allAnimations = allAnimations.map( function() {
            this.end = getElementStyles( this.el[ 0 ] );
            this.diff = styleDifference( this.start, this.end );
            return this;
        } );

        // Apply original class
        animated.attr( "class", baseClass );

        // Map all animated objects again - this time collecting a promise
        allAnimations = allAnimations.map( function() {
            var styleInfo = this,
                dfd = $.Deferred(),
                opts = $.extend( {}, o, {
                    queue: false,
                    complete: function() {
                        dfd.resolve( styleInfo );
                    }
                } );

            this.el.animate( this.diff, opts );
            return dfd.promise();
        } );

        // Once all animations have completed:
        $.when.apply( $, allAnimations.get() ).done( function() {

            // Set the final class
            applyClassChange();

            // For each animated element,
            // clear all css properties that were animated
            $.each( arguments, function() {
                var el = this.el;
                $.each( this.diff, function( key ) {
                    el.css( key, "" );
                } );
            } );

            // This is guarnteed to be there if you use jQuery.speed()
            // it also handles dequeuing the next anim...
            o.complete.call( animated[ 0 ] );
        } );
    } );
};

$.fn.extend( {
    addClass: ( function( orig ) {
        return function( classNames, speed, easing, callback ) {
            return speed ?
                $.effects.animateClass.call( this,
                    { add: classNames }, speed, easing, callback ) :
                orig.apply( this, arguments );
        };
    } )( $.fn.addClass ),

    removeClass: ( function( orig ) {
        return function( classNames, speed, easing, callback ) {
            return arguments.length > 1 ?
                $.effects.animateClass.call( this,
                    { remove: classNames }, speed, easing, callback ) :
                orig.apply( this, arguments );
        };
    } )( $.fn.removeClass ),

    toggleClass: ( function( orig ) {
        return function( classNames, force, speed, easing, callback ) {
            if ( typeof force === "boolean" || force === undefined ) {
                if ( !speed ) {

                    // Without speed parameter
                    return orig.apply( this, arguments );
                } else {
                    return $.effects.animateClass.call( this,
                        ( force ? { add: classNames } : { remove: classNames } ),
                        speed, easing, callback );
                }
            } else {

                // Without force parameter
                return $.effects.animateClass.call( this,
                    { toggle: classNames }, force, speed, easing );
            }
        };
    } )( $.fn.toggleClass ),

    switchClass: function( remove, add, speed, easing, callback ) {
        return $.effects.animateClass.call( this, {
            add: add,
            remove: remove
        }, speed, easing, callback );
    }
} );

} )();

/******************************************************************************/
/*********************************** EFFECTS **********************************/
/******************************************************************************/

( function() {

if ( $.expr && $.expr.filters && $.expr.filters.animated ) {
    $.expr.filters.animated = ( function( orig ) {
        return function( elem ) {
            return !!$( elem ).data( dataSpaceAnimated ) || orig( elem );
        };
    } )( $.expr.filters.animated );
}

if ( $.uiBackCompat !== false ) {
    $.extend( $.effects, {

        // Saves a set of properties in a data storage
        save: function( element, set ) {
            var i = 0, length = set.length;
            for ( ; i < length; i++ ) {
                if ( set[ i ] !== null ) {
                    element.data( dataSpace + set[ i ], element[ 0 ].style[ set[ i ] ] );
                }
            }
        },

        // Restores a set of previously saved properties from a data storage
        restore: function( element, set ) {
            var val, i = 0, length = set.length;
            for ( ; i < length; i++ ) {
                if ( set[ i ] !== null ) {
                    val = element.data( dataSpace + set[ i ] );
                    element.css( set[ i ], val );
                }
            }
        },

        setMode: function( el, mode ) {
            if ( mode === "toggle" ) {
                mode = el.is( ":hidden" ) ? "show" : "hide";
            }
            return mode;
        },

        // Wraps the element around a wrapper that copies position properties
        createWrapper: function( element ) {

            // If the element is already wrapped, return it
            if ( element.parent().is( ".ui-effects-wrapper" ) ) {
                return element.parent();
            }

            // Wrap the element
            var props = {
                    width: element.outerWidth( true ),
                    height: element.outerHeight( true ),
                    "float": element.css( "float" )
                },
                wrapper = $( "<div></div>" )
                    .addClass( "ui-effects-wrapper" )
                    .css( {
                        fontSize: "100%",
                        background: "transparent",
                        border: "none",
                        margin: 0,
                        padding: 0
                    } ),

                // Store the size in case width/height are defined in % - Fixes #5245
                size = {
                    width: element.width(),
                    height: element.height()
                },
                active = document.activeElement;

            // Support: Firefox
            // Firefox incorrectly exposes anonymous content
            // https://bugzilla.mozilla.org/show_bug.cgi?id=561664
            try {
                active.id;
            } catch ( e ) {
                active = document.body;
            }

            element.wrap( wrapper );

            // Fixes #7595 - Elements lose focus when wrapped.
            if ( element[ 0 ] === active || $.contains( element[ 0 ], active ) ) {
                $( active ).trigger( "focus" );
            }

            // Hotfix for jQuery 1.4 since some change in wrap() seems to actually
            // lose the reference to the wrapped element
            wrapper = element.parent();

            // Transfer positioning properties to the wrapper
            if ( element.css( "position" ) === "static" ) {
                wrapper.css( { position: "relative" } );
                element.css( { position: "relative" } );
            } else {
                $.extend( props, {
                    position: element.css( "position" ),
                    zIndex: element.css( "z-index" )
                } );
                $.each( [ "top", "left", "bottom", "right" ], function( i, pos ) {
                    props[ pos ] = element.css( pos );
                    if ( isNaN( parseInt( props[ pos ], 10 ) ) ) {
                        props[ pos ] = "auto";
                    }
                } );
                element.css( {
                    position: "relative",
                    top: 0,
                    left: 0,
                    right: "auto",
                    bottom: "auto"
                } );
            }
            element.css( size );

            return wrapper.css( props ).show();
        },

        removeWrapper: function( element ) {
            var active = document.activeElement;

            if ( element.parent().is( ".ui-effects-wrapper" ) ) {
                element.parent().replaceWith( element );

                // Fixes #7595 - Elements lose focus when wrapped.
                if ( element[ 0 ] === active || $.contains( element[ 0 ], active ) ) {
                    $( active ).trigger( "focus" );
                }
            }

            return element;
        }
    } );
}

$.extend( $.effects, {
    version: "1.12.1",

    define: function( name, mode, effect ) {
        if ( !effect ) {
            effect = mode;
            mode = "effect";
        }

        $.effects.effect[ name ] = effect;
        $.effects.effect[ name ].mode = mode;

        return effect;
    },

    scaledDimensions: function( element, percent, direction ) {
        if ( percent === 0 ) {
            return {
                height: 0,
                width: 0,
                outerHeight: 0,
                outerWidth: 0
            };
        }

        var x = direction !== "horizontal" ? ( ( percent || 100 ) / 100 ) : 1,
            y = direction !== "vertical" ? ( ( percent || 100 ) / 100 ) : 1;

        return {
            height: element.height() * y,
            width: element.width() * x,
            outerHeight: element.outerHeight() * y,
            outerWidth: element.outerWidth() * x
        };

    },

    clipToBox: function( animation ) {
        return {
            width: animation.clip.right - animation.clip.left,
            height: animation.clip.bottom - animation.clip.top,
            left: animation.clip.left,
            top: animation.clip.top
        };
    },

    // Injects recently queued functions to be first in line (after "inprogress")
    unshift: function( element, queueLength, count ) {
        var queue = element.queue();

        if ( queueLength > 1 ) {
            queue.splice.apply( queue,
                [ 1, 0 ].concat( queue.splice( queueLength, count ) ) );
        }
        element.dequeue();
    },

    saveStyle: function( element ) {
        element.data( dataSpaceStyle, element[ 0 ].style.cssText );
    },

    restoreStyle: function( element ) {
        element[ 0 ].style.cssText = element.data( dataSpaceStyle ) || "";
        element.removeData( dataSpaceStyle );
    },

    mode: function( element, mode ) {
        var hidden = element.is( ":hidden" );

        if ( mode === "toggle" ) {
            mode = hidden ? "show" : "hide";
        }
        if ( hidden ? mode === "hide" : mode === "show" ) {
            mode = "none";
        }
        return mode;
    },

    // Translates a [top,left] array into a baseline value
    getBaseline: function( origin, original ) {
        var y, x;

        switch ( origin[ 0 ] ) {
        case "top":
            y = 0;
            break;
        case "middle":
            y = 0.5;
            break;
        case "bottom":
            y = 1;
            break;
        default:
            y = origin[ 0 ] / original.height;
        }

        switch ( origin[ 1 ] ) {
        case "left":
            x = 0;
            break;
        case "center":
            x = 0.5;
            break;
        case "right":
            x = 1;
            break;
        default:
            x = origin[ 1 ] / original.width;
        }

        return {
            x: x,
            y: y
        };
    },

    // Creates a placeholder element so that the original element can be made absolute
    createPlaceholder: function( element ) {
        var placeholder,
            cssPosition = element.css( "position" ),
            position = element.position();

        // Lock in margins first to account for form elements, which
        // will change margin if you explicitly set height
        // see: http://jsfiddle.net/JZSMt/3/ https://bugs.webkit.org/show_bug.cgi?id=107380
        // Support: Safari
        element.css( {
            marginTop: element.css( "marginTop" ),
            marginBottom: element.css( "marginBottom" ),
            marginLeft: element.css( "marginLeft" ),
            marginRight: element.css( "marginRight" )
        } )
        .outerWidth( element.outerWidth() )
        .outerHeight( element.outerHeight() );

        if ( /^(static|relative)/.test( cssPosition ) ) {
            cssPosition = "absolute";

            placeholder = $( "<" + element[ 0 ].nodeName + ">" ).insertAfter( element ).css( {

                // Convert inline to inline block to account for inline elements
                // that turn to inline block based on content (like img)
                display: /^(inline|ruby)/.test( element.css( "display" ) ) ?
                    "inline-block" :
                    "block",
                visibility: "hidden",

                // Margins need to be set to account for margin collapse
                marginTop: element.css( "marginTop" ),
                marginBottom: element.css( "marginBottom" ),
                marginLeft: element.css( "marginLeft" ),
                marginRight: element.css( "marginRight" ),
                "float": element.css( "float" )
            } )
            .outerWidth( element.outerWidth() )
            .outerHeight( element.outerHeight() )
            .addClass( "ui-effects-placeholder" );

            element.data( dataSpace + "placeholder", placeholder );
        }

        element.css( {
            position: cssPosition,
            left: position.left,
            top: position.top
        } );

        return placeholder;
    },

    removePlaceholder: function( element ) {
        var dataKey = dataSpace + "placeholder",
                placeholder = element.data( dataKey );

        if ( placeholder ) {
            placeholder.remove();
            element.removeData( dataKey );
        }
    },

    // Removes a placeholder if it exists and restores
    // properties that were modified during placeholder creation
    cleanUp: function( element ) {
        $.effects.restoreStyle( element );
        $.effects.removePlaceholder( element );
    },

    setTransition: function( element, list, factor, value ) {
        value = value || {};
        $.each( list, function( i, x ) {
            var unit = element.cssUnit( x );
            if ( unit[ 0 ] > 0 ) {
                value[ x ] = unit[ 0 ] * factor + unit[ 1 ];
            }
        } );
        return value;
    }
} );

// Return an effect options object for the given parameters:
function _normalizeArguments( effect, options, speed, callback ) {

    // Allow passing all options as the first parameter
    if ( $.isPlainObject( effect ) ) {
        options = effect;
        effect = effect.effect;
    }

    // Convert to an object
    effect = { effect: effect };

    // Catch (effect, null, ...)
    if ( options == null ) {
        options = {};
    }

    // Catch (effect, callback)
    if ( $.isFunction( options ) ) {
        callback = options;
        speed = null;
        options = {};
    }

    // Catch (effect, speed, ?)
    if ( typeof options === "number" || $.fx.speeds[ options ] ) {
        callback = speed;
        speed = options;
        options = {};
    }

    // Catch (effect, options, callback)
    if ( $.isFunction( speed ) ) {
        callback = speed;
        speed = null;
    }

    // Add options to effect
    if ( options ) {
        $.extend( effect, options );
    }

    speed = speed || options.duration;
    effect.duration = $.fx.off ? 0 :
        typeof speed === "number" ? speed :
        speed in $.fx.speeds ? $.fx.speeds[ speed ] :
        $.fx.speeds._default;

    effect.complete = callback || options.complete;

    return effect;
}

function standardAnimationOption( option ) {

    // Valid standard speeds (nothing, number, named speed)
    if ( !option || typeof option === "number" || $.fx.speeds[ option ] ) {
        return true;
    }

    // Invalid strings - treat as "normal" speed
    if ( typeof option === "string" && !$.effects.effect[ option ] ) {
        return true;
    }

    // Complete callback
    if ( $.isFunction( option ) ) {
        return true;
    }

    // Options hash (but not naming an effect)
    if ( typeof option === "object" && !option.effect ) {
        return true;
    }

    // Didn't match any standard API
    return false;
}

$.fn.extend( {
    effect: function( /* effect, options, speed, callback */ ) {
        var args = _normalizeArguments.apply( this, arguments ),
            effectMethod = $.effects.effect[ args.effect ],
            defaultMode = effectMethod.mode,
            queue = args.queue,
            queueName = queue || "fx",
            complete = args.complete,
            mode = args.mode,
            modes = [],
            prefilter = function( next ) {
                var el = $( this ),
                    normalizedMode = $.effects.mode( el, mode ) || defaultMode;

                // Sentinel for duck-punching the :animated psuedo-selector
                el.data( dataSpaceAnimated, true );

                // Save effect mode for later use,
                // we can't just call $.effects.mode again later,
                // as the .show() below destroys the initial state
                modes.push( normalizedMode );

                // See $.uiBackCompat inside of run() for removal of defaultMode in 1.13
                if ( defaultMode && ( normalizedMode === "show" ||
                        ( normalizedMode === defaultMode && normalizedMode === "hide" ) ) ) {
                    el.show();
                }

                if ( !defaultMode || normalizedMode !== "none" ) {
                    $.effects.saveStyle( el );
                }

                if ( $.isFunction( next ) ) {
                    next();
                }
            };

        if ( $.fx.off || !effectMethod ) {

            // Delegate to the original method (e.g., .show()) if possible
            if ( mode ) {
                return this[ mode ]( args.duration, complete );
            } else {
                return this.each( function() {
                    if ( complete ) {
                        complete.call( this );
                    }
                } );
            }
        }

        function run( next ) {
            var elem = $( this );

            function cleanup() {
                elem.removeData( dataSpaceAnimated );

                $.effects.cleanUp( elem );

                if ( args.mode === "hide" ) {
                    elem.hide();
                }

                done();
            }

            function done() {
                if ( $.isFunction( complete ) ) {
                    complete.call( elem[ 0 ] );
                }

                if ( $.isFunction( next ) ) {
                    next();
                }
            }

            // Override mode option on a per element basis,
            // as toggle can be either show or hide depending on element state
            args.mode = modes.shift();

            if ( $.uiBackCompat !== false && !defaultMode ) {
                if ( elem.is( ":hidden" ) ? mode === "hide" : mode === "show" ) {

                    // Call the core method to track "olddisplay" properly
                    elem[ mode ]();
                    done();
                } else {
                    effectMethod.call( elem[ 0 ], args, done );
                }
            } else {
                if ( args.mode === "none" ) {

                    // Call the core method to track "olddisplay" properly
                    elem[ mode ]();
                    done();
                } else {
                    effectMethod.call( elem[ 0 ], args, cleanup );
                }
            }
        }

        // Run prefilter on all elements first to ensure that
        // any showing or hiding happens before placeholder creation,
        // which ensures that any layout changes are correctly captured.
        return queue === false ?
            this.each( prefilter ).each( run ) :
            this.queue( queueName, prefilter ).queue( queueName, run );
    },

    show: ( function( orig ) {
        return function( option ) {
            if ( standardAnimationOption( option ) ) {
                return orig.apply( this, arguments );
            } else {
                var args = _normalizeArguments.apply( this, arguments );
                args.mode = "show";
                return this.effect.call( this, args );
            }
        };
    } )( $.fn.show ),

    hide: ( function( orig ) {
        return function( option ) {
            if ( standardAnimationOption( option ) ) {
                return orig.apply( this, arguments );
            } else {
                var args = _normalizeArguments.apply( this, arguments );
                args.mode = "hide";
                return this.effect.call( this, args );
            }
        };
    } )( $.fn.hide ),

    toggle: ( function( orig ) {
        return function( option ) {
            if ( standardAnimationOption( option ) || typeof option === "boolean" ) {
                return orig.apply( this, arguments );
            } else {
                var args = _normalizeArguments.apply( this, arguments );
                args.mode = "toggle";
                return this.effect.call( this, args );
            }
        };
    } )( $.fn.toggle ),

    cssUnit: function( key ) {
        var style = this.css( key ),
            val = [];

        $.each( [ "em", "px", "%", "pt" ], function( i, unit ) {
            if ( style.indexOf( unit ) > 0 ) {
                val = [ parseFloat( style ), unit ];
            }
        } );
        return val;
    },

    cssClip: function( clipObj ) {
        if ( clipObj ) {
            return this.css( "clip", "rect(" + clipObj.top + "px " + clipObj.right + "px " +
                clipObj.bottom + "px " + clipObj.left + "px)" );
        }
        return parseClip( this.css( "clip" ), this );
    },

    transfer: function( options, done ) {
        var element = $( this ),
            target = $( options.to ),
            targetFixed = target.css( "position" ) === "fixed",
            body = $( "body" ),
            fixTop = targetFixed ? body.scrollTop() : 0,
            fixLeft = targetFixed ? body.scrollLeft() : 0,
            endPosition = target.offset(),
            animation = {
                top: endPosition.top - fixTop,
                left: endPosition.left - fixLeft,
                height: target.innerHeight(),
                width: target.innerWidth()
            },
            startPosition = element.offset(),
            transfer = $( "<div class='ui-effects-transfer'></div>" )
                .appendTo( "body" )
                .addClass( options.className )
                .css( {
                    top: startPosition.top - fixTop,
                    left: startPosition.left - fixLeft,
                    height: element.innerHeight(),
                    width: element.innerWidth(),
                    position: targetFixed ? "fixed" : "absolute"
                } )
                .animate( animation, options.duration, options.easing, function() {
                    transfer.remove();
                    if ( $.isFunction( done ) ) {
                        done();
                    }
                } );
    }
} );

function parseClip( str, element ) {
        var outerWidth = element.outerWidth(),
            outerHeight = element.outerHeight(),
            clipRegex = /^rect\((-?\d*\.?\d*px|-?\d+%|auto),?\s*(-?\d*\.?\d*px|-?\d+%|auto),?\s*(-?\d*\.?\d*px|-?\d+%|auto),?\s*(-?\d*\.?\d*px|-?\d+%|auto)\)$/,
            values = clipRegex.exec( str ) || [ "", 0, outerWidth, outerHeight, 0 ];

        return {
            top: parseFloat( values[ 1 ] ) || 0,
            right: values[ 2 ] === "auto" ? outerWidth : parseFloat( values[ 2 ] ),
            bottom: values[ 3 ] === "auto" ? outerHeight : parseFloat( values[ 3 ] ),
            left: parseFloat( values[ 4 ] ) || 0
        };
}

$.fx.step.clip = function( fx ) {
    if ( !fx.clipInit ) {
        fx.start = $( fx.elem ).cssClip();
        if ( typeof fx.end === "string" ) {
            fx.end = parseClip( fx.end, fx.elem );
        }
        fx.clipInit = true;
    }

    $( fx.elem ).cssClip( {
        top: fx.pos * ( fx.end.top - fx.start.top ) + fx.start.top,
        right: fx.pos * ( fx.end.right - fx.start.right ) + fx.start.right,
        bottom: fx.pos * ( fx.end.bottom - fx.start.bottom ) + fx.start.bottom,
        left: fx.pos * ( fx.end.left - fx.start.left ) + fx.start.left
    } );
};

} )();

/******************************************************************************/
/*********************************** EASING ***********************************/
/******************************************************************************/

( function() {

// Based on easing equations from Robert Penner (http://www.robertpenner.com/easing)

var baseEasings = {};

$.each( [ "Quad", "Cubic", "Quart", "Quint", "Expo" ], function( i, name ) {
    baseEasings[ name ] = function( p ) {
        return Math.pow( p, i + 2 );
    };
} );

$.extend( baseEasings, {
    Sine: function( p ) {
        return 1 - Math.cos( p * Math.PI / 2 );
    },
    Circ: function( p ) {
        return 1 - Math.sqrt( 1 - p * p );
    },
    Elastic: function( p ) {
        return p === 0 || p === 1 ? p :
            -Math.pow( 2, 8 * ( p - 1 ) ) * Math.sin( ( ( p - 1 ) * 80 - 7.5 ) * Math.PI / 15 );
    },
    Back: function( p ) {
        return p * p * ( 3 * p - 2 );
    },
    Bounce: function( p ) {
        var pow2,
            bounce = 4;

        while ( p < ( ( pow2 = Math.pow( 2, --bounce ) ) - 1 ) / 11 ) {}
        return 1 / Math.pow( 4, 3 - bounce ) - 7.5625 * Math.pow( ( pow2 * 3 - 2 ) / 22 - p, 2 );
    }
} );

$.each( baseEasings, function( name, easeIn ) {
    $.easing[ "easeIn" + name ] = easeIn;
    $.easing[ "easeOut" + name ] = function( p ) {
        return 1 - easeIn( 1 - p );
    };
    $.easing[ "easeInOut" + name ] = function( p ) {
        return p < 0.5 ?
            easeIn( p * 2 ) / 2 :
            1 - easeIn( p * -2 + 2 ) / 2;
    };
} );

} )();

var effect = $.effects;


//>>label: Blind Effect
//>>group: Effects
//>>description: Blinds the element.
//>>docs: http://api.jqueryui.com/blind-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectBlind = $.effects.define( "blind", "hide", function( options, done ) {
    var map = {
            up: [ "bottom", "top" ],
            vertical: [ "bottom", "top" ],
            down: [ "top", "bottom" ],
            left: [ "right", "left" ],
            horizontal: [ "right", "left" ],
            right: [ "left", "right" ]
        },
        element = $( this ),
        direction = options.direction || "up",
        start = element.cssClip(),
        animate = { clip: $.extend( {}, start ) },
        placeholder = $.effects.createPlaceholder( element );

    animate.clip[ map[ direction ][ 0 ] ] = animate.clip[ map[ direction ][ 1 ] ];

    if ( options.mode === "show" ) {
        element.cssClip( animate.clip );
        if ( placeholder ) {
            placeholder.css( $.effects.clipToBox( animate ) );
        }

        animate.clip = start;
    }

    if ( placeholder ) {
        placeholder.animate( $.effects.clipToBox( animate ), options.duration, options.easing );
    }

    element.animate( animate, {
        queue: false,
        duration: options.duration,
        easing: options.easing,
        complete: done
    } );
} );


//>>label: Bounce Effect
//>>group: Effects
//>>description: Bounces an element horizontally or vertically n times.
//>>docs: http://api.jqueryui.com/bounce-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectBounce = $.effects.define( "bounce", function( options, done ) {
    var upAnim, downAnim, refValue,
        element = $( this ),

        // Defaults:
        mode = options.mode,
        hide = mode === "hide",
        show = mode === "show",
        direction = options.direction || "up",
        distance = options.distance,
        times = options.times || 5,

        // Number of internal animations
        anims = times * 2 + ( show || hide ? 1 : 0 ),
        speed = options.duration / anims,
        easing = options.easing,

        // Utility:
        ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
        motion = ( direction === "up" || direction === "left" ),
        i = 0,

        queuelen = element.queue().length;

    $.effects.createPlaceholder( element );

    refValue = element.css( ref );

    // Default distance for the BIGGEST bounce is the outer Distance / 3
    if ( !distance ) {
        distance = element[ ref === "top" ? "outerHeight" : "outerWidth" ]() / 3;
    }

    if ( show ) {
        downAnim = { opacity: 1 };
        downAnim[ ref ] = refValue;

        // If we are showing, force opacity 0 and set the initial position
        // then do the "first" animation
        element
            .css( "opacity", 0 )
            .css( ref, motion ? -distance * 2 : distance * 2 )
            .animate( downAnim, speed, easing );
    }

    // Start at the smallest distance if we are hiding
    if ( hide ) {
        distance = distance / Math.pow( 2, times - 1 );
    }

    downAnim = {};
    downAnim[ ref ] = refValue;

    // Bounces up/down/left/right then back to 0 -- times * 2 animations happen here
    for ( ; i < times; i++ ) {
        upAnim = {};
        upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;

        element
            .animate( upAnim, speed, easing )
            .animate( downAnim, speed, easing );

        distance = hide ? distance * 2 : distance / 2;
    }

    // Last Bounce when Hiding
    if ( hide ) {
        upAnim = { opacity: 0 };
        upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;

        element.animate( upAnim, speed, easing );
    }

    element.queue( done );

    $.effects.unshift( element, queuelen, anims + 1 );
} );


//>>label: Clip Effect
//>>group: Effects
//>>description: Clips the element on and off like an old TV.
//>>docs: http://api.jqueryui.com/clip-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectClip = $.effects.define( "clip", "hide", function( options, done ) {
    var start,
        animate = {},
        element = $( this ),
        direction = options.direction || "vertical",
        both = direction === "both",
        horizontal = both || direction === "horizontal",
        vertical = both || direction === "vertical";

    start = element.cssClip();
    animate.clip = {
        top: vertical ? ( start.bottom - start.top ) / 2 : start.top,
        right: horizontal ? ( start.right - start.left ) / 2 : start.right,
        bottom: vertical ? ( start.bottom - start.top ) / 2 : start.bottom,
        left: horizontal ? ( start.right - start.left ) / 2 : start.left
    };

    $.effects.createPlaceholder( element );

    if ( options.mode === "show" ) {
        element.cssClip( animate.clip );
        animate.clip = start;
    }

    element.animate( animate, {
        queue: false,
        duration: options.duration,
        easing: options.easing,
        complete: done
    } );

} );


//>>label: Drop Effect
//>>group: Effects
//>>description: Moves an element in one direction and hides it at the same time.
//>>docs: http://api.jqueryui.com/drop-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectDrop = $.effects.define( "drop", "hide", function( options, done ) {

    var distance,
        element = $( this ),
        mode = options.mode,
        show = mode === "show",
        direction = options.direction || "left",
        ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
        motion = ( direction === "up" || direction === "left" ) ? "-=" : "+=",
        oppositeMotion = ( motion === "+=" ) ? "-=" : "+=",
        animation = {
            opacity: 0
        };

    $.effects.createPlaceholder( element );

    distance = options.distance ||
        element[ ref === "top" ? "outerHeight" : "outerWidth" ]( true ) / 2;

    animation[ ref ] = motion + distance;

    if ( show ) {
        element.css( animation );

        animation[ ref ] = oppositeMotion + distance;
        animation.opacity = 1;
    }

    // Animate
    element.animate( animation, {
        queue: false,
        duration: options.duration,
        easing: options.easing,
        complete: done
    } );
} );


//>>label: Explode Effect
//>>group: Effects
// jscs:disable maximumLineLength
//>>description: Explodes an element in all directions into n pieces. Implodes an element to its original wholeness.
// jscs:enable maximumLineLength
//>>docs: http://api.jqueryui.com/explode-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectExplode = $.effects.define( "explode", "hide", function( options, done ) {

    var i, j, left, top, mx, my,
        rows = options.pieces ? Math.round( Math.sqrt( options.pieces ) ) : 3,
        cells = rows,
        element = $( this ),
        mode = options.mode,
        show = mode === "show",

        // Show and then visibility:hidden the element before calculating offset
        offset = element.show().css( "visibility", "hidden" ).offset(),

        // Width and height of a piece
        width = Math.ceil( element.outerWidth() / cells ),
        height = Math.ceil( element.outerHeight() / rows ),
        pieces = [];

    // Children animate complete:
    function childComplete() {
        pieces.push( this );
        if ( pieces.length === rows * cells ) {
            animComplete();
        }
    }

    // Clone the element for each row and cell.
    for ( i = 0; i < rows; i++ ) { // ===>
        top = offset.top + i * height;
        my = i - ( rows - 1 ) / 2;

        for ( j = 0; j < cells; j++ ) { // |||
            left = offset.left + j * width;
            mx = j - ( cells - 1 ) / 2;

            // Create a clone of the now hidden main element that will be absolute positioned
            // within a wrapper div off the -left and -top equal to size of our pieces
            element
                .clone()
                .appendTo( "body" )
                .wrap( "<div></div>" )
                .css( {
                    position: "absolute",
                    visibility: "visible",
                    left: -j * width,
                    top: -i * height
                } )

                // Select the wrapper - make it overflow: hidden and absolute positioned based on
                // where the original was located +left and +top equal to the size of pieces
                .parent()
                    .addClass( "ui-effects-explode" )
                    .css( {
                        position: "absolute",
                        overflow: "hidden",
                        width: width,
                        height: height,
                        left: left + ( show ? mx * width : 0 ),
                        top: top + ( show ? my * height : 0 ),
                        opacity: show ? 0 : 1
                    } )
                    .animate( {
                        left: left + ( show ? 0 : mx * width ),
                        top: top + ( show ? 0 : my * height ),
                        opacity: show ? 1 : 0
                    }, options.duration || 500, options.easing, childComplete );
        }
    }

    function animComplete() {
        element.css( {
            visibility: "visible"
        } );
        $( pieces ).remove();
        done();
    }
} );


//>>label: Fade Effect
//>>group: Effects
//>>description: Fades the element.
//>>docs: http://api.jqueryui.com/fade-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectFade = $.effects.define( "fade", "toggle", function( options, done ) {
    var show = options.mode === "show";

    $( this )
        .css( "opacity", show ? 0 : 1 )
        .animate( {
            opacity: show ? 1 : 0
        }, {
            queue: false,
            duration: options.duration,
            easing: options.easing,
            complete: done
        } );
} );


//>>label: Fold Effect
//>>group: Effects
//>>description: Folds an element first horizontally and then vertically.
//>>docs: http://api.jqueryui.com/fold-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectFold = $.effects.define( "fold", "hide", function( options, done ) {

    // Create element
    var element = $( this ),
        mode = options.mode,
        show = mode === "show",
        hide = mode === "hide",
        size = options.size || 15,
        percent = /([0-9]+)%/.exec( size ),
        horizFirst = !!options.horizFirst,
        ref = horizFirst ? [ "right", "bottom" ] : [ "bottom", "right" ],
        duration = options.duration / 2,

        placeholder = $.effects.createPlaceholder( element ),

        start = element.cssClip(),
        animation1 = { clip: $.extend( {}, start ) },
        animation2 = { clip: $.extend( {}, start ) },

        distance = [ start[ ref[ 0 ] ], start[ ref[ 1 ] ] ],

        queuelen = element.queue().length;

    if ( percent ) {
        size = parseInt( percent[ 1 ], 10 ) / 100 * distance[ hide ? 0 : 1 ];
    }
    animation1.clip[ ref[ 0 ] ] = size;
    animation2.clip[ ref[ 0 ] ] = size;
    animation2.clip[ ref[ 1 ] ] = 0;

    if ( show ) {
        element.cssClip( animation2.clip );
        if ( placeholder ) {
            placeholder.css( $.effects.clipToBox( animation2 ) );
        }

        animation2.clip = start;
    }

    // Animate
    element
        .queue( function( next ) {
            if ( placeholder ) {
                placeholder
                    .animate( $.effects.clipToBox( animation1 ), duration, options.easing )
                    .animate( $.effects.clipToBox( animation2 ), duration, options.easing );
            }

            next();
        } )
        .animate( animation1, duration, options.easing )
        .animate( animation2, duration, options.easing )
        .queue( done );

    $.effects.unshift( element, queuelen, 4 );
} );


//>>label: Highlight Effect
//>>group: Effects
//>>description: Highlights the background of an element in a defined color for a custom duration.
//>>docs: http://api.jqueryui.com/highlight-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectHighlight = $.effects.define( "highlight", "show", function( options, done ) {
    var element = $( this ),
        animation = {
            backgroundColor: element.css( "backgroundColor" )
        };

    if ( options.mode === "hide" ) {
        animation.opacity = 0;
    }

    $.effects.saveStyle( element );

    element
        .css( {
            backgroundImage: "none",
            backgroundColor: options.color || "#ffff99"
        } )
        .animate( animation, {
            queue: false,
            duration: options.duration,
            easing: options.easing,
            complete: done
        } );
} );


//>>label: Size Effect
//>>group: Effects
//>>description: Resize an element to a specified width and height.
//>>docs: http://api.jqueryui.com/size-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectSize = $.effects.define( "size", function( options, done ) {

    // Create element
    var baseline, factor, temp,
        element = $( this ),

        // Copy for children
        cProps = [ "fontSize" ],
        vProps = [ "borderTopWidth", "borderBottomWidth", "paddingTop", "paddingBottom" ],
        hProps = [ "borderLeftWidth", "borderRightWidth", "paddingLeft", "paddingRight" ],

        // Set options
        mode = options.mode,
        restore = mode !== "effect",
        scale = options.scale || "both",
        origin = options.origin || [ "middle", "center" ],
        position = element.css( "position" ),
        pos = element.position(),
        original = $.effects.scaledDimensions( element ),
        from = options.from || original,
        to = options.to || $.effects.scaledDimensions( element, 0 );

    $.effects.createPlaceholder( element );

    if ( mode === "show" ) {
        temp = from;
        from = to;
        to = temp;
    }

    // Set scaling factor
    factor = {
        from: {
            y: from.height / original.height,
            x: from.width / original.width
        },
        to: {
            y: to.height / original.height,
            x: to.width / original.width
        }
    };

    // Scale the css box
    if ( scale === "box" || scale === "both" ) {

        // Vertical props scaling
        if ( factor.from.y !== factor.to.y ) {
            from = $.effects.setTransition( element, vProps, factor.from.y, from );
            to = $.effects.setTransition( element, vProps, factor.to.y, to );
        }

        // Horizontal props scaling
        if ( factor.from.x !== factor.to.x ) {
            from = $.effects.setTransition( element, hProps, factor.from.x, from );
            to = $.effects.setTransition( element, hProps, factor.to.x, to );
        }
    }

    // Scale the content
    if ( scale === "content" || scale === "both" ) {

        // Vertical props scaling
        if ( factor.from.y !== factor.to.y ) {
            from = $.effects.setTransition( element, cProps, factor.from.y, from );
            to = $.effects.setTransition( element, cProps, factor.to.y, to );
        }
    }

    // Adjust the position properties based on the provided origin points
    if ( origin ) {
        baseline = $.effects.getBaseline( origin, original );
        from.top = ( original.outerHeight - from.outerHeight ) * baseline.y + pos.top;
        from.left = ( original.outerWidth - from.outerWidth ) * baseline.x + pos.left;
        to.top = ( original.outerHeight - to.outerHeight ) * baseline.y + pos.top;
        to.left = ( original.outerWidth - to.outerWidth ) * baseline.x + pos.left;
    }
    element.css( from );

    // Animate the children if desired
    if ( scale === "content" || scale === "both" ) {

        vProps = vProps.concat( [ "marginTop", "marginBottom" ] ).concat( cProps );
        hProps = hProps.concat( [ "marginLeft", "marginRight" ] );

        // Only animate children with width attributes specified
        // TODO: is this right? should we include anything with css width specified as well
        element.find( "*[width]" ).each( function() {
            var child = $( this ),
                childOriginal = $.effects.scaledDimensions( child ),
                childFrom = {
                    height: childOriginal.height * factor.from.y,
                    width: childOriginal.width * factor.from.x,
                    outerHeight: childOriginal.outerHeight * factor.from.y,
                    outerWidth: childOriginal.outerWidth * factor.from.x
                },
                childTo = {
                    height: childOriginal.height * factor.to.y,
                    width: childOriginal.width * factor.to.x,
                    outerHeight: childOriginal.height * factor.to.y,
                    outerWidth: childOriginal.width * factor.to.x
                };

            // Vertical props scaling
            if ( factor.from.y !== factor.to.y ) {
                childFrom = $.effects.setTransition( child, vProps, factor.from.y, childFrom );
                childTo = $.effects.setTransition( child, vProps, factor.to.y, childTo );
            }

            // Horizontal props scaling
            if ( factor.from.x !== factor.to.x ) {
                childFrom = $.effects.setTransition( child, hProps, factor.from.x, childFrom );
                childTo = $.effects.setTransition( child, hProps, factor.to.x, childTo );
            }

            if ( restore ) {
                $.effects.saveStyle( child );
            }

            // Animate children
            child.css( childFrom );
            child.animate( childTo, options.duration, options.easing, function() {

                // Restore children
                if ( restore ) {
                    $.effects.restoreStyle( child );
                }
            } );
        } );
    }

    // Animate
    element.animate( to, {
        queue: false,
        duration: options.duration,
        easing: options.easing,
        complete: function() {

            var offset = element.offset();

            if ( to.opacity === 0 ) {
                element.css( "opacity", from.opacity );
            }

            if ( !restore ) {
                element
                    .css( "position", position === "static" ? "relative" : position )
                    .offset( offset );

                // Need to save style here so that automatic style restoration
                // doesn't restore to the original styles from before the animation.
                $.effects.saveStyle( element );
            }

            done();
        }
    } );

} );


//>>label: Scale Effect
//>>group: Effects
//>>description: Grows or shrinks an element and its content.
//>>docs: http://api.jqueryui.com/scale-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectScale = $.effects.define( "scale", function( options, done ) {

    // Create element
    var el = $( this ),
        mode = options.mode,
        percent = parseInt( options.percent, 10 ) ||
            ( parseInt( options.percent, 10 ) === 0 ? 0 : ( mode !== "effect" ? 0 : 100 ) ),

        newOptions = $.extend( true, {
            from: $.effects.scaledDimensions( el ),
            to: $.effects.scaledDimensions( el, percent, options.direction || "both" ),
            origin: options.origin || [ "middle", "center" ]
        }, options );

    // Fade option to support puff
    if ( options.fade ) {
        newOptions.from.opacity = 1;
        newOptions.to.opacity = 0;
    }

    $.effects.effect.size.call( this, newOptions, done );
} );


//>>label: Puff Effect
//>>group: Effects
//>>description: Creates a puff effect by scaling the element up and hiding it at the same time.
//>>docs: http://api.jqueryui.com/puff-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectPuff = $.effects.define( "puff", "hide", function( options, done ) {
    var newOptions = $.extend( true, {}, options, {
        fade: true,
        percent: parseInt( options.percent, 10 ) || 150
    } );

    $.effects.effect.scale.call( this, newOptions, done );
} );


//>>label: Pulsate Effect
//>>group: Effects
//>>description: Pulsates an element n times by changing the opacity to zero and back.
//>>docs: http://api.jqueryui.com/pulsate-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectPulsate = $.effects.define( "pulsate", "show", function( options, done ) {
    var element = $( this ),
        mode = options.mode,
        show = mode === "show",
        hide = mode === "hide",
        showhide = show || hide,

        // Showing or hiding leaves off the "last" animation
        anims = ( ( options.times || 5 ) * 2 ) + ( showhide ? 1 : 0 ),
        duration = options.duration / anims,
        animateTo = 0,
        i = 1,
        queuelen = element.queue().length;

    if ( show || !element.is( ":visible" ) ) {
        element.css( "opacity", 0 ).show();
        animateTo = 1;
    }

    // Anims - 1 opacity "toggles"
    for ( ; i < anims; i++ ) {
        element.animate( { opacity: animateTo }, duration, options.easing );
        animateTo = 1 - animateTo;
    }

    element.animate( { opacity: animateTo }, duration, options.easing );

    element.queue( done );

    $.effects.unshift( element, queuelen, anims + 1 );
} );


//>>label: Shake Effect
//>>group: Effects
//>>description: Shakes an element horizontally or vertically n times.
//>>docs: http://api.jqueryui.com/shake-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectShake = $.effects.define( "shake", function( options, done ) {

    var i = 1,
        element = $( this ),
        direction = options.direction || "left",
        distance = options.distance || 20,
        times = options.times || 3,
        anims = times * 2 + 1,
        speed = Math.round( options.duration / anims ),
        ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
        positiveMotion = ( direction === "up" || direction === "left" ),
        animation = {},
        animation1 = {},
        animation2 = {},

        queuelen = element.queue().length;

    $.effects.createPlaceholder( element );

    // Animation
    animation[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance;
    animation1[ ref ] = ( positiveMotion ? "+=" : "-=" ) + distance * 2;
    animation2[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance * 2;

    // Animate
    element.animate( animation, speed, options.easing );

    // Shakes
    for ( ; i < times; i++ ) {
        element
            .animate( animation1, speed, options.easing )
            .animate( animation2, speed, options.easing );
    }

    element
        .animate( animation1, speed, options.easing )
        .animate( animation, speed / 2, options.easing )
        .queue( done );

    $.effects.unshift( element, queuelen, anims + 1 );
} );


//>>label: Slide Effect
//>>group: Effects
//>>description: Slides an element in and out of the viewport.
//>>docs: http://api.jqueryui.com/slide-effect/
//>>demos: http://jqueryui.com/effect/



var effectsEffectSlide = $.effects.define( "slide", "show", function( options, done ) {
    var startClip, startRef,
        element = $( this ),
        map = {
            up: [ "bottom", "top" ],
            down: [ "top", "bottom" ],
            left: [ "right", "left" ],
            right: [ "left", "right" ]
        },
        mode = options.mode,
        direction = options.direction || "left",
        ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
        positiveMotion = ( direction === "up" || direction === "left" ),
        distance = options.distance ||
            element[ ref === "top" ? "outerHeight" : "outerWidth" ]( true ),
        animation = {};

    $.effects.createPlaceholder( element );

    startClip = element.cssClip();
    startRef = element.position()[ ref ];

    // Define hide animation
    animation[ ref ] = ( positiveMotion ? -1 : 1 ) * distance + startRef;
    animation.clip = element.cssClip();
    animation.clip[ map[ direction ][ 1 ] ] = animation.clip[ map[ direction ][ 0 ] ];

    // Reverse the animation if we're showing
    if ( mode === "show" ) {
        element.cssClip( animation.clip );
        element.css( ref, animation[ ref ] );
        animation.clip = startClip;
        animation[ ref ] = startRef;
    }

    // Actually animate
    element.animate( animation, {
        queue: false,
        duration: options.duration,
        easing: options.easing,
        complete: done
    } );
} );


//>>label: Transfer Effect
//>>group: Effects
//>>description: Displays a transfer effect from one element to another.
//>>docs: http://api.jqueryui.com/transfer-effect/
//>>demos: http://jqueryui.com/effect/



var effect;
if ( $.uiBackCompat !== false ) {
    effect = $.effects.define( "transfer", function( options, done ) {
        $( this ).transfer( options, done );
    } );
}
var effectsEffectTransfer = effect;


//>>label: :focusable Selector
//>>group: Core
//>>description: Selects elements which can be focused.
//>>docs: http://api.jqueryui.com/focusable-selector/



// Selectors
$.ui.focusable = function( element, hasTabindex ) {
    var map, mapName, img, focusableIfVisible, fieldset,
        nodeName = element.nodeName.toLowerCase();

    if ( "area" === nodeName ) {
        map = element.parentNode;
        mapName = map.name;
        if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
            return false;
        }
        img = $( "img[usemap='#" + mapName + "']" );
        return img.length > 0 && img.is( ":visible" );
    }

    if ( /^(input|select|textarea|button|object)$/.test( nodeName ) ) {
        focusableIfVisible = !element.disabled;

        if ( focusableIfVisible ) {

            // Form controls within a disabled fieldset are disabled.
            // However, controls within the fieldset's legend do not get disabled.
            // Since controls generally aren't placed inside legends, we skip
            // this portion of the check.
            fieldset = $( element ).closest( "fieldset" )[ 0 ];
            if ( fieldset ) {
                focusableIfVisible = !fieldset.disabled;
            }
        }
    } else if ( "a" === nodeName ) {
        focusableIfVisible = element.href || hasTabindex;
    } else {
        focusableIfVisible = hasTabindex;
    }

    return focusableIfVisible && $( element ).is( ":visible" ) && visible( $( element ) );
};

// Support: IE 8 only
// IE 8 doesn't resolve inherit to visible/hidden for computed values
function visible( element ) {
    var visibility = element.css( "visibility" );
    while ( visibility === "inherit" ) {
        element = element.parent();
        visibility = element.css( "visibility" );
    }
    return visibility !== "hidden";
}

$.extend( $.expr[ ":" ], {
    focusable: function( element ) {
        return $.ui.focusable( element, $.attr( element, "tabindex" ) != null );
    }
} );

var focusable = $.ui.focusable;




// Support: IE8 Only
// IE8 does not support the form attribute and when it is supplied. It overwrites the form prop
// with a string, so we need to find the proper form.
var form = $.fn.form = function() {
    return typeof this[ 0 ].form === "string" ? this.closest( "form" ) : $( this[ 0 ].form );
};


//>>label: Form Reset Mixin
//>>group: Core
//>>description: Refresh input widgets when their form is reset
//>>docs: http://api.jqueryui.com/form-reset-mixin/



var formResetMixin = $.ui.formResetMixin = {
    _formResetHandler: function() {
        var form = $( this );

        // Wait for the form reset to actually happen before refreshing
        setTimeout( function() {
            var instances = form.data( "ui-form-reset-instances" );
            $.each( instances, function() {
                this.refresh();
            } );
        } );
    },

    _bindFormResetHandler: function() {
        this.form = this.element.form();
        if ( !this.form.length ) {
            return;
        }

        var instances = this.form.data( "ui-form-reset-instances" ) || [];
        if ( !instances.length ) {

            // We don't use _on() here because we use a single event handler per form
            this.form.on( "reset.ui-form-reset", this._formResetHandler );
        }
        instances.push( this );
        this.form.data( "ui-form-reset-instances", instances );
    },

    _unbindFormResetHandler: function() {
        if ( !this.form.length ) {
            return;
        }

        var instances = this.form.data( "ui-form-reset-instances" );
        instances.splice( $.inArray( this, instances ), 1 );
        if ( instances.length ) {
            this.form.data( "ui-form-reset-instances", instances );
        } else {
            this.form
                .removeData( "ui-form-reset-instances" )
                .off( "reset.ui-form-reset" );
        }
    }
};


//>>label: jQuery 1.7 Support
//>>group: Core
//>>description: Support version 1.7.x of jQuery core



// Support: jQuery 1.7 only
// Not a great way to check versions, but since we only support 1.7+ and only
// need to detect <1.8, this is a simple check that should suffice. Checking
// for "1.7." would be a bit safer, but the version string is 1.7, not 1.7.0
// and we'll never reach 1.70.0 (if we do, we certainly won't be supporting
// 1.7 anymore). See #11197 for why we're not using feature detection.
if ( $.fn.jquery.substring( 0, 3 ) === "1.7" ) {

    // Setters for .innerWidth(), .innerHeight(), .outerWidth(), .outerHeight()
    // Unlike jQuery Core 1.8+, these only support numeric values to set the
    // dimensions in pixels
    $.each( [ "Width", "Height" ], function( i, name ) {
        var side = name === "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ],
            type = name.toLowerCase(),
            orig = {
                innerWidth: $.fn.innerWidth,
                innerHeight: $.fn.innerHeight,
                outerWidth: $.fn.outerWidth,
                outerHeight: $.fn.outerHeight
            };

        function reduce( elem, size, border, margin ) {
            $.each( side, function() {
                size -= parseFloat( $.css( elem, "padding" + this ) ) || 0;
                if ( border ) {
                    size -= parseFloat( $.css( elem, "border" + this + "Width" ) ) || 0;
                }
                if ( margin ) {
                    size -= parseFloat( $.css( elem, "margin" + this ) ) || 0;
                }
            } );
            return size;
        }

        $.fn[ "inner" + name ] = function( size ) {
            if ( size === undefined ) {
                return orig[ "inner" + name ].call( this );
            }

            return this.each( function() {
                $( this ).css( type, reduce( this, size ) + "px" );
            } );
        };

        $.fn[ "outer" + name ] = function( size, margin ) {
            if ( typeof size !== "number" ) {
                return orig[ "outer" + name ].call( this, size );
            }

            return this.each( function() {
                $( this ).css( type, reduce( this, size, true, margin ) + "px" );
            } );
        };
    } );

    $.fn.addBack = function( selector ) {
        return this.add( selector == null ?
            this.prevObject : this.prevObject.filter( selector )
        );
    };
}

;
//>>label: Keycode
//>>group: Core
//>>description: Provide keycodes as keynames
//>>docs: http://api.jqueryui.com/jQuery.ui.keyCode/


var keycode = $.ui.keyCode = {
    BACKSPACE: 8,
    COMMA: 188,
    DELETE: 46,
    DOWN: 40,
    END: 35,
    ENTER: 13,
    ESCAPE: 27,
    HOME: 36,
    LEFT: 37,
    PAGE_DOWN: 34,
    PAGE_UP: 33,
    PERIOD: 190,
    RIGHT: 39,
    SPACE: 32,
    TAB: 9,
    UP: 38
};




// Internal use only
var escapeSelector = $.ui.escapeSelector = ( function() {
    var selectorEscape = /([!"#$%&'()*+,./:;<=>?@[\]^`{|}~])/g;
    return function( selector ) {
        return selector.replace( selectorEscape, "\\$1" );
    };
} )();


//>>label: labels
//>>group: Core
//>>description: Find all the labels associated with a given input
//>>docs: http://api.jqueryui.com/labels/



var labels = $.fn.labels = function() {
    var ancestor, selector, id, labels, ancestors;

    // Check control.labels first
    if ( this[ 0 ].labels && this[ 0 ].labels.length ) {
        return this.pushStack( this[ 0 ].labels );
    }

    // Support: IE <= 11, FF <= 37, Android <= 2.3 only
    // Above browsers do not support control.labels. Everything below is to support them
    // as well as document fragments. control.labels does not work on document fragments
    labels = this.eq( 0 ).parents( "label" );

    // Look for the label based on the id
    id = this.attr( "id" );
    if ( id ) {

        // We don't search against the document in case the element
        // is disconnected from the DOM
        ancestor = this.eq( 0 ).parents().last();

        // Get a full set of top level ancestors
        ancestors = ancestor.add( ancestor.length ? ancestor.siblings() : this.siblings() );

        // Create a selector for the label based on the id
        selector = "label[for='" + $.ui.escapeSelector( id ) + "']";

        labels = labels.add( ancestors.find( selector ).addBack( selector ) );

    }

    // Return whatever we have found for labels
    return this.pushStack( labels );
};


//>>label: scrollParent
//>>group: Core
//>>description: Get the closest ancestor element that is scrollable.
//>>docs: http://api.jqueryui.com/scrollParent/



var scrollParent = $.fn.scrollParent = function( includeHidden ) {
    var position = this.css( "position" ),
        excludeStaticParent = position === "absolute",
        overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/,
        scrollParent = this.parents().filter( function() {
            var parent = $( this );
            if ( excludeStaticParent && parent.css( "position" ) === "static" ) {
                return false;
            }
            return overflowRegex.test( parent.css( "overflow" ) + parent.css( "overflow-y" ) +
                parent.css( "overflow-x" ) );
        } ).eq( 0 );

    return position === "fixed" || !scrollParent.length ?
        $( this[ 0 ].ownerDocument || document ) :
        scrollParent;
};


//>>label: :tabbable Selector
//>>group: Core
//>>description: Selects elements which can be tabbed to.
//>>docs: http://api.jqueryui.com/tabbable-selector/



var tabbable = $.extend( $.expr[ ":" ], {
    tabbable: function( element ) {
        var tabIndex = $.attr( element, "tabindex" ),
            hasTabindex = tabIndex != null;
        return ( !hasTabindex || tabIndex >= 0 ) && $.ui.focusable( element, hasTabindex );
    }
} );


//>>label: uniqueId
//>>group: Core
//>>description: Functions to generate and remove uniqueId's
//>>docs: http://api.jqueryui.com/uniqueId/



var uniqueId = $.fn.extend( {
    uniqueId: ( function() {
        var uuid = 0;

        return function() {
            return this.each( function() {
                if ( !this.id ) {
                    this.id = "ui-id-" + ( ++uuid );
                }
            } );
        };
    } )(),

    removeUniqueId: function() {
        return this.each( function() {
            if ( /^ui-id-\d+$/.test( this.id ) ) {
                $( this ).removeAttr( "id" );
            }
        } );
    }
} );


//>>label: Accordion
//>>group: Widgets
// jscs:disable maximumLineLength
//>>description: Displays collapsible content panels for presenting information in a limited amount of space.
// jscs:enable maximumLineLength
//>>docs: http://api.jqueryui.com/accordion/
//>>demos: http://jqueryui.com/accordion/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/accordion.css
//>>css.theme: ../../themes/base/theme.css



var widgetsAccordion = $.widget( "ui.accordion", {
    version: "1.12.1",
    options: {
        active: 0,
        animate: {},
        classes: {
            "ui-accordion-header": "ui-corner-top",
            "ui-accordion-header-collapsed": "ui-corner-all",
            "ui-accordion-content": "ui-corner-bottom"
        },
        collapsible: false,
        event: "click",
        header: "> li > :first-child, > :not(li):even",
        heightStyle: "auto",
        icons: {
            activeHeader: "ui-icon-triangle-1-s",
            header: "ui-icon-triangle-1-e"
        },

        // Callbacks
        activate: null,
        beforeActivate: null
    },

    hideProps: {
        borderTopWidth: "hide",
        borderBottomWidth: "hide",
        paddingTop: "hide",
        paddingBottom: "hide",
        height: "hide"
    },

    showProps: {
        borderTopWidth: "show",
        borderBottomWidth: "show",
        paddingTop: "show",
        paddingBottom: "show",
        height: "show"
    },

    _create: function() {
        var options = this.options;

        this.prevShow = this.prevHide = $();
        this._addClass( "ui-accordion", "ui-widget ui-helper-reset" );
        this.element.attr( "role", "tablist" );

        // Don't allow collapsible: false and active: false / null
        if ( !options.collapsible && ( options.active === false || options.active == null ) ) {
            options.active = 0;
        }

        this._processPanels();

        // handle negative values
        if ( options.active < 0 ) {
            options.active += this.headers.length;
        }
        this._refresh();
    },

    _getCreateEventData: function() {
        return {
            header: this.active,
            panel: !this.active.length ? $() : this.active.next()
        };
    },

    _createIcons: function() {
        var icon, children,
            icons = this.options.icons;

        if ( icons ) {
            icon = $( "<span>" );
            this._addClass( icon, "ui-accordion-header-icon", "ui-icon " + icons.header );
            icon.prependTo( this.headers );
            children = this.active.children( ".ui-accordion-header-icon" );
            this._removeClass( children, icons.header )
                ._addClass( children, null, icons.activeHeader )
                ._addClass( this.headers, "ui-accordion-icons" );
        }
    },

    _destroyIcons: function() {
        this._removeClass( this.headers, "ui-accordion-icons" );
        this.headers.children( ".ui-accordion-header-icon" ).remove();
    },

    _destroy: function() {
        var contents;

        // Clean up main element
        this.element.removeAttr( "role" );

        // Clean up headers
        this.headers
            .removeAttr( "role aria-expanded aria-selected aria-controls tabIndex" )
            .removeUniqueId();

        this._destroyIcons();

        // Clean up content panels
        contents = this.headers.next()
            .css( "display", "" )
            .removeAttr( "role aria-hidden aria-labelledby" )
            .removeUniqueId();

        if ( this.options.heightStyle !== "content" ) {
            contents.css( "height", "" );
        }
    },

    _setOption: function( key, value ) {
        if ( key === "active" ) {

            // _activate() will handle invalid values and update this.options
            this._activate( value );
            return;
        }

        if ( key === "event" ) {
            if ( this.options.event ) {
                this._off( this.headers, this.options.event );
            }
            this._setupEvents( value );
        }

        this._super( key, value );

        // Setting collapsible: false while collapsed; open first panel
        if ( key === "collapsible" && !value && this.options.active === false ) {
            this._activate( 0 );
        }

        if ( key === "icons" ) {
            this._destroyIcons();
            if ( value ) {
                this._createIcons();
            }
        }
    },

    _setOptionDisabled: function( value ) {
        this._super( value );

        this.element.attr( "aria-disabled", value );

        // Support: IE8 Only
        // #5332 / #6059 - opacity doesn't cascade to positioned elements in IE
        // so we need to add the disabled class to the headers and panels
        this._toggleClass( null, "ui-state-disabled", !!value );
        this._toggleClass( this.headers.add( this.headers.next() ), null, "ui-state-disabled",
            !!value );
    },

    _keydown: function( event ) {
        if ( event.altKey || event.ctrlKey ) {
            return;
        }

        var keyCode = $.ui.keyCode,
            length = this.headers.length,
            currentIndex = this.headers.index( event.target ),
            toFocus = false;

        switch ( event.keyCode ) {
        case keyCode.RIGHT:
        case keyCode.DOWN:
            toFocus = this.headers[ ( currentIndex + 1 ) % length ];
            break;
        case keyCode.LEFT:
        case keyCode.UP:
            toFocus = this.headers[ ( currentIndex - 1 + length ) % length ];
            break;
        case keyCode.SPACE:
        case keyCode.ENTER:
            this._eventHandler( event );
            break;
        case keyCode.HOME:
            toFocus = this.headers[ 0 ];
            break;
        case keyCode.END:
            toFocus = this.headers[ length - 1 ];
            break;
        }

        if ( toFocus ) {
            $( event.target ).attr( "tabIndex", -1 );
            $( toFocus ).attr( "tabIndex", 0 );
            $( toFocus ).trigger( "focus" );
            event.preventDefault();
        }
    },

    _panelKeyDown: function( event ) {
        if ( event.keyCode === $.ui.keyCode.UP && event.ctrlKey ) {
            $( event.currentTarget ).prev().trigger( "focus" );
        }
    },

    refresh: function() {
        var options = this.options;
        this._processPanels();

        // Was collapsed or no panel
        if ( ( options.active === false && options.collapsible === true ) ||
                !this.headers.length ) {
            options.active = false;
            this.active = $();

        // active false only when collapsible is true
        } else if ( options.active === false ) {
            this._activate( 0 );

        // was active, but active panel is gone
        } else if ( this.active.length && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {

            // all remaining panel are disabled
            if ( this.headers.length === this.headers.find( ".ui-state-disabled" ).length ) {
                options.active = false;
                this.active = $();

            // activate previous panel
            } else {
                this._activate( Math.max( 0, options.active - 1 ) );
            }

        // was active, active panel still exists
        } else {

            // make sure active index is correct
            options.active = this.headers.index( this.active );
        }

        this._destroyIcons();

        this._refresh();
    },

    _processPanels: function() {
        var prevHeaders = this.headers,
            prevPanels = this.panels;

        this.headers = this.element.find( this.options.header );
        this._addClass( this.headers, "ui-accordion-header ui-accordion-header-collapsed",
            "ui-state-default" );

        this.panels = this.headers.next().filter( ":not(.ui-accordion-content-active)" ).hide();
        this._addClass( this.panels, "ui-accordion-content", "ui-helper-reset ui-widget-content" );

        // Avoid memory leaks (#10056)
        if ( prevPanels ) {
            this._off( prevHeaders.not( this.headers ) );
            this._off( prevPanels.not( this.panels ) );
        }
    },

    _refresh: function() {
        var maxHeight,
            options = this.options,
            heightStyle = options.heightStyle,
            parent = this.element.parent();

        this.active = this._findActive( options.active );
        this._addClass( this.active, "ui-accordion-header-active", "ui-state-active" )
            ._removeClass( this.active, "ui-accordion-header-collapsed" );
        this._addClass( this.active.next(), "ui-accordion-content-active" );
        this.active.next().show();

        this.headers
            .attr( "role", "tab" )
            .each( function() {
                var header = $( this ),
                    headerId = header.uniqueId().attr( "id" ),
                    panel = header.next(),
                    panelId = panel.uniqueId().attr( "id" );
                header.attr( "aria-controls", panelId );
                panel.attr( "aria-labelledby", headerId );
            } )
            .next()
                .attr( "role", "tabpanel" );

        this.headers
            .not( this.active )
                .attr( {
                    "aria-selected": "false",
                    "aria-expanded": "false",
                    tabIndex: -1
                } )
                .next()
                    .attr( {
                        "aria-hidden": "true"
                    } )
                    .hide();

        // Make sure at least one header is in the tab order
        if ( !this.active.length ) {
            this.headers.eq( 0 ).attr( "tabIndex", 0 );
        } else {
            this.active.attr( {
                "aria-selected": "true",
                "aria-expanded": "true",
                tabIndex: 0
            } )
                .next()
                    .attr( {
                        "aria-hidden": "false"
                    } );
        }

        this._createIcons();

        this._setupEvents( options.event );

        if ( heightStyle === "fill" ) {
            maxHeight = parent.height();
            this.element.siblings( ":visible" ).each( function() {
                var elem = $( this ),
                    position = elem.css( "position" );

                if ( position === "absolute" || position === "fixed" ) {
                    return;
                }
                maxHeight -= elem.outerHeight( true );
            } );

            this.headers.each( function() {
                maxHeight -= $( this ).outerHeight( true );
            } );

            this.headers.next()
                .each( function() {
                    $( this ).height( Math.max( 0, maxHeight -
                        $( this ).innerHeight() + $( this ).height() ) );
                } )
                .css( "overflow", "auto" );
        } else if ( heightStyle === "auto" ) {
            maxHeight = 0;
            this.headers.next()
                .each( function() {
                    var isVisible = $( this ).is( ":visible" );
                    if ( !isVisible ) {
                        $( this ).show();
                    }
                    maxHeight = Math.max( maxHeight, $( this ).css( "height", "" ).height() );
                    if ( !isVisible ) {
                        $( this ).hide();
                    }
                } )
                .height( maxHeight );
        }
    },

    _activate: function( index ) {
        var active = this._findActive( index )[ 0 ];

        // Trying to activate the already active panel
        if ( active === this.active[ 0 ] ) {
            return;
        }

        // Trying to collapse, simulate a click on the currently active header
        active = active || this.active[ 0 ];

        this._eventHandler( {
            target: active,
            currentTarget: active,
            preventDefault: $.noop
        } );
    },

    _findActive: function( selector ) {
        return typeof selector === "number" ? this.headers.eq( selector ) : $();
    },

    _setupEvents: function( event ) {
        var events = {
            keydown: "_keydown"
        };
        if ( event ) {
            $.each( event.split( " " ), function( index, eventName ) {
                events[ eventName ] = "_eventHandler";
            } );
        }

        this._off( this.headers.add( this.headers.next() ) );
        this._on( this.headers, events );
        this._on( this.headers.next(), { keydown: "_panelKeyDown" } );
        this._hoverable( this.headers );
        this._focusable( this.headers );
    },

    _eventHandler: function( event ) {
        var activeChildren, clickedChildren,
            options = this.options,
            active = this.active,
            clicked = $( event.currentTarget ),
            clickedIsActive = clicked[ 0 ] === active[ 0 ],
            collapsing = clickedIsActive && options.collapsible,
            toShow = collapsing ? $() : clicked.next(),
            toHide = active.next(),
            eventData = {
                oldHeader: active,
                oldPanel: toHide,
                newHeader: collapsing ? $() : clicked,
                newPanel: toShow
            };

        event.preventDefault();

        if (

                // click on active header, but not collapsible
                ( clickedIsActive && !options.collapsible ) ||

                // allow canceling activation
                ( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
            return;
        }

        options.active = collapsing ? false : this.headers.index( clicked );

        // When the call to ._toggle() comes after the class changes
        // it causes a very odd bug in IE 8 (see #6720)
        this.active = clickedIsActive ? $() : clicked;
        this._toggle( eventData );

        // Switch classes
        // corner classes on the previously active header stay after the animation
        this._removeClass( active, "ui-accordion-header-active", "ui-state-active" );
        if ( options.icons ) {
            activeChildren = active.children( ".ui-accordion-header-icon" );
            this._removeClass( activeChildren, null, options.icons.activeHeader )
                ._addClass( activeChildren, null, options.icons.header );
        }

        if ( !clickedIsActive ) {
            this._removeClass( clicked, "ui-accordion-header-collapsed" )
                ._addClass( clicked, "ui-accordion-header-active", "ui-state-active" );
            if ( options.icons ) {
                clickedChildren = clicked.children( ".ui-accordion-header-icon" );
                this._removeClass( clickedChildren, null, options.icons.header )
                    ._addClass( clickedChildren, null, options.icons.activeHeader );
            }

            this._addClass( clicked.next(), "ui-accordion-content-active" );
        }
    },

    _toggle: function( data ) {
        var toShow = data.newPanel,
            toHide = this.prevShow.length ? this.prevShow : data.oldPanel;

        // Handle activating a panel during the animation for another activation
        this.prevShow.add( this.prevHide ).stop( true, true );
        this.prevShow = toShow;
        this.prevHide = toHide;

        if ( this.options.animate ) {
            this._animate( toShow, toHide, data );
        } else {
            toHide.hide();
            toShow.show();
            this._toggleComplete( data );
        }

        toHide.attr( {
            "aria-hidden": "true"
        } );
        toHide.prev().attr( {
            "aria-selected": "false",
            "aria-expanded": "false"
        } );

        // if we're switching panels, remove the old header from the tab order
        // if we're opening from collapsed state, remove the previous header from the tab order
        // if we're collapsing, then keep the collapsing header in the tab order
        if ( toShow.length && toHide.length ) {
            toHide.prev().attr( {
                "tabIndex": -1,
                "aria-expanded": "false"
            } );
        } else if ( toShow.length ) {
            this.headers.filter( function() {
                return parseInt( $( this ).attr( "tabIndex" ), 10 ) === 0;
            } )
                .attr( "tabIndex", -1 );
        }

        toShow
            .attr( "aria-hidden", "false" )
            .prev()
                .attr( {
                    "aria-selected": "true",
                    "aria-expanded": "true",
                    tabIndex: 0
                } );
    },

    _animate: function( toShow, toHide, data ) {
        var total, easing, duration,
            that = this,
            adjust = 0,
            boxSizing = toShow.css( "box-sizing" ),
            down = toShow.length &&
                ( !toHide.length || ( toShow.index() < toHide.index() ) ),
            animate = this.options.animate || {},
            options = down && animate.down || animate,
            complete = function() {
                that._toggleComplete( data );
            };

        if ( typeof options === "number" ) {
            duration = options;
        }
        if ( typeof options === "string" ) {
            easing = options;
        }

        // fall back from options to animation in case of partial down settings
        easing = easing || options.easing || animate.easing;
        duration = duration || options.duration || animate.duration;

        if ( !toHide.length ) {
            return toShow.animate( this.showProps, duration, easing, complete );
        }
        if ( !toShow.length ) {
            return toHide.animate( this.hideProps, duration, easing, complete );
        }

        total = toShow.show().outerHeight();
        toHide.animate( this.hideProps, {
            duration: duration,
            easing: easing,
            step: function( now, fx ) {
                fx.now = Math.round( now );
            }
        } );
        toShow
            .hide()
            .animate( this.showProps, {
                duration: duration,
                easing: easing,
                complete: complete,
                step: function( now, fx ) {
                    fx.now = Math.round( now );
                    if ( fx.prop !== "height" ) {
                        if ( boxSizing === "content-box" ) {
                            adjust += fx.now;
                        }
                    } else if ( that.options.heightStyle !== "content" ) {
                        fx.now = Math.round( total - toHide.outerHeight() - adjust );
                        adjust = 0;
                    }
                }
            } );
    },

    _toggleComplete: function( data ) {
        var toHide = data.oldPanel,
            prev = toHide.prev();

        this._removeClass( toHide, "ui-accordion-content-active" );
        this._removeClass( prev, "ui-accordion-header-active" )
            ._addClass( prev, "ui-accordion-header-collapsed" );

        // Work around for rendering bug in IE (#5421)
        if ( toHide.length ) {
            toHide.parent()[ 0 ].className = toHide.parent()[ 0 ].className;
        }
        this._trigger( "activate", null, data );
    }
} );



var safeActiveElement = $.ui.safeActiveElement = function( document ) {
    var activeElement;

    // Support: IE 9 only
    // IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
    try {
        activeElement = document.activeElement;
    } catch ( error ) {
        activeElement = document.body;
    }

    // Support: IE 9 - 11 only
    // IE may return null instead of an element
    // Interestingly, this only seems to occur when NOT in an iframe
    if ( !activeElement ) {
        activeElement = document.body;
    }

    // Support: IE 11 only
    // IE11 returns a seemingly empty object in some cases when accessing
    // document.activeElement from an <iframe>
    if ( !activeElement.nodeName ) {
        activeElement = document.body;
    }

    return activeElement;
};


//>>label: Menu
//>>group: Widgets
//>>description: Creates nestable menus.
//>>docs: http://api.jqueryui.com/menu/
//>>demos: http://jqueryui.com/menu/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/menu.css
//>>css.theme: ../../themes/base/theme.css



var widgetsMenu = $.widget( "ui.menu", {
    version: "1.12.1",
    defaultElement: "<ul>",
    delay: 300,
    options: {
        icons: {
            submenu: "ui-icon-caret-1-e"
        },
        items: "> *",
        menus: "ul",
        position: {
            my: "left top",
            at: "right top"
        },
        role: "menu",

        // Callbacks
        blur: null,
        focus: null,
        select: null
    },

    _create: function() {
        this.activeMenu = this.element;

        // Flag used to prevent firing of the click handler
        // as the event bubbles up through nested menus
        this.mouseHandled = false;
        this.element
            .uniqueId()
            .attr( {
                role: this.options.role,
                tabIndex: 0
            } );

        this._addClass( "ui-menu", "ui-widget ui-widget-content" );
        this._on( {

            // Prevent focus from sticking to links inside menu after clicking
            // them (focus should always stay on UL during navigation).
            "mousedown .ui-menu-item": function( event ) {
                event.preventDefault();
            },
            "click .ui-menu-item": function( event ) {
                var target = $( event.target );
                var active = $( $.ui.safeActiveElement( this.document[ 0 ] ) );
                if ( !this.mouseHandled && target.not( ".ui-state-disabled" ).length ) {
                    this.select( event );

                    // Only set the mouseHandled flag if the event will bubble, see #9469.
                    if ( !event.isPropagationStopped() ) {
                        this.mouseHandled = true;
                    }

                    // Open submenu on click
                    if ( target.has( ".ui-menu" ).length ) {
                        this.expand( event );
                    } else if ( !this.element.is( ":focus" ) &&
                            active.closest( ".ui-menu" ).length ) {

                        // Redirect focus to the menu
                        this.element.trigger( "focus", [ true ] );

                        // If the active item is on the top level, let it stay active.
                        // Otherwise, blur the active item since it is no longer visible.
                        if ( this.active && this.active.parents( ".ui-menu" ).length === 1 ) {
                            clearTimeout( this.timer );
                        }
                    }
                }
            },
            "mouseenter .ui-menu-item": function( event ) {

                // Ignore mouse events while typeahead is active, see #10458.
                // Prevents focusing the wrong item when typeahead causes a scroll while the mouse
                // is over an item in the menu
                if ( this.previousFilter ) {
                    return;
                }

                var actualTarget = $( event.target ).closest( ".ui-menu-item" ),
                    target = $( event.currentTarget );

                // Ignore bubbled events on parent items, see #11641
                if ( actualTarget[ 0 ] !== target[ 0 ] ) {
                    return;
                }

                // Remove ui-state-active class from siblings of the newly focused menu item
                // to avoid a jump caused by adjacent elements both having a class with a border
                this._removeClass( target.siblings().children( ".ui-state-active" ),
                    null, "ui-state-active" );
                this.focus( event, target );
            },
            mouseleave: "collapseAll",
            "mouseleave .ui-menu": "collapseAll",
            focus: function( event, keepActiveItem ) {

                // If there's already an active item, keep it active
                // If not, activate the first item
                var item = this.active || this.element.find( this.options.items ).eq( 0 );

                if ( !keepActiveItem ) {
                    this.focus( event, item );
                }
            },
            blur: function( event ) {
                this._delay( function() {
                    var notContained = !$.contains(
                        this.element[ 0 ],
                        $.ui.safeActiveElement( this.document[ 0 ] )
                    );
                    if ( notContained ) {
                        this.collapseAll( event );
                    }
                } );
            },
            keydown: "_keydown"
        } );

        this.refresh();

        // Clicks outside of a menu collapse any open menus
        this._on( this.document, {
            click: function( event ) {
                if ( this._closeOnDocumentClick( event ) ) {
                    this.collapseAll( event );
                }

                // Reset the mouseHandled flag
                this.mouseHandled = false;
            }
        } );
    },

    _destroy: function() {
        var items = this.element.find( ".ui-menu-item" )
                .removeAttr( "role aria-disabled" ),
            submenus = items.children( ".ui-menu-item-wrapper" )
                .removeUniqueId()
                .removeAttr( "tabIndex role aria-haspopup" );

        // Destroy (sub)menus
        this.element
            .removeAttr( "aria-activedescendant" )
            .find( ".ui-menu" ).addBack()
                .removeAttr( "role aria-labelledby aria-expanded aria-hidden aria-disabled " +
                    "tabIndex" )
                .removeUniqueId()
                .show();

        submenus.children().each( function() {
            var elem = $( this );
            if ( elem.data( "ui-menu-submenu-caret" ) ) {
                elem.remove();
            }
        } );
    },

    _keydown: function( event ) {
        var match, prev, character, skip,
            preventDefault = true;

        switch ( event.keyCode ) {
        case $.ui.keyCode.PAGE_UP:
            this.previousPage( event );
            break;
        case $.ui.keyCode.PAGE_DOWN:
            this.nextPage( event );
            break;
        case $.ui.keyCode.HOME:
            this._move( "first", "first", event );
            break;
        case $.ui.keyCode.END:
            this._move( "last", "last", event );
            break;
        case $.ui.keyCode.UP:
            this.previous( event );
            break;
        case $.ui.keyCode.DOWN:
            this.next( event );
            break;
        case $.ui.keyCode.LEFT:
            this.collapse( event );
            break;
        case $.ui.keyCode.RIGHT:
            if ( this.active && !this.active.is( ".ui-state-disabled" ) ) {
                this.expand( event );
            }
            break;
        case $.ui.keyCode.ENTER:
        case $.ui.keyCode.SPACE:
            this._activate( event );
            break;
        case $.ui.keyCode.ESCAPE:
            this.collapse( event );
            break;
        default:
            preventDefault = false;
            prev = this.previousFilter || "";
            skip = false;

            // Support number pad values
            character = event.keyCode >= 96 && event.keyCode <= 105 ?
                ( event.keyCode - 96 ).toString() : String.fromCharCode( event.keyCode );

            clearTimeout( this.filterTimer );

            if ( character === prev ) {
                skip = true;
            } else {
                character = prev + character;
            }

            match = this._filterMenuItems( character );
            match = skip && match.index( this.active.next() ) !== -1 ?
                this.active.nextAll( ".ui-menu-item" ) :
                match;

            // If no matches on the current filter, reset to the last character pressed
            // to move down the menu to the first item that starts with that character
            if ( !match.length ) {
                character = String.fromCharCode( event.keyCode );
                match = this._filterMenuItems( character );
            }

            if ( match.length ) {
                this.focus( event, match );
                this.previousFilter = character;
                this.filterTimer = this._delay( function() {
                    delete this.previousFilter;
                }, 1000 );
            } else {
                delete this.previousFilter;
            }
        }

        if ( preventDefault ) {
            event.preventDefault();
        }
    },

    _activate: function( event ) {
        if ( this.active && !this.active.is( ".ui-state-disabled" ) ) {
            if ( this.active.children( "[aria-haspopup='true']" ).length ) {
                this.expand( event );
            } else {
                this.select( event );
            }
        }
    },

    refresh: function() {
        var menus, items, newSubmenus, newItems, newWrappers,
            that = this,
            icon = this.options.icons.submenu,
            submenus = this.element.find( this.options.menus );

        this._toggleClass( "ui-menu-icons", null, !!this.element.find( ".ui-icon" ).length );

        // Initialize nested menus
        newSubmenus = submenus.filter( ":not(.ui-menu)" )
            .hide()
            .attr( {
                role: this.options.role,
                "aria-hidden": "true",
                "aria-expanded": "false"
            } )
            .each( function() {
                var menu = $( this ),
                    item = menu.prev(),
                    submenuCaret = $( "<span>" ).data( "ui-menu-submenu-caret", true );

                that._addClass( submenuCaret, "ui-menu-icon", "ui-icon " + icon );
                item
                    .attr( "aria-haspopup", "true" )
                    .prepend( submenuCaret );
                menu.attr( "aria-labelledby", item.attr( "id" ) );
            } );

        this._addClass( newSubmenus, "ui-menu", "ui-widget ui-widget-content ui-front" );

        menus = submenus.add( this.element );
        items = menus.find( this.options.items );

        // Initialize menu-items containing spaces and/or dashes only as dividers
        items.not( ".ui-menu-item" ).each( function() {
            var item = $( this );
            if ( that._isDivider( item ) ) {
                that._addClass( item, "ui-menu-divider", "ui-widget-content" );
            }
        } );

        // Don't refresh list items that are already adapted
        newItems = items.not( ".ui-menu-item, .ui-menu-divider" );
        newWrappers = newItems.children()
            .not( ".ui-menu" )
                .uniqueId()
                .attr( {
                    tabIndex: -1,
                    role: this._itemRole()
                } );
        this._addClass( newItems, "ui-menu-item" )
            ._addClass( newWrappers, "ui-menu-item-wrapper" );

        // Add aria-disabled attribute to any disabled menu item
        items.filter( ".ui-state-disabled" ).attr( "aria-disabled", "true" );

        // If the active item has been removed, blur the menu
        if ( this.active && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
            this.blur();
        }
    },

    _itemRole: function() {
        return {
            menu: "menuitem",
            listbox: "option"
        }[ this.options.role ];
    },

    _setOption: function( key, value ) {
        if ( key === "icons" ) {
            var icons = this.element.find( ".ui-menu-icon" );
            this._removeClass( icons, null, this.options.icons.submenu )
                ._addClass( icons, null, value.submenu );
        }
        this._super( key, value );
    },

    _setOptionDisabled: function( value ) {
        this._super( value );

        this.element.attr( "aria-disabled", String( value ) );
        this._toggleClass( null, "ui-state-disabled", !!value );
    },

    focus: function( event, item ) {
        var nested, focused, activeParent;
        this.blur( event, event && event.type === "focus" );

        this._scrollIntoView( item );

        this.active = item.first();

        focused = this.active.children( ".ui-menu-item-wrapper" );
        this._addClass( focused, null, "ui-state-active" );

        // Only update aria-activedescendant if there's a role
        // otherwise we assume focus is managed elsewhere
        if ( this.options.role ) {
            this.element.attr( "aria-activedescendant", focused.attr( "id" ) );
        }

        // Highlight active parent menu item, if any
        activeParent = this.active
            .parent()
                .closest( ".ui-menu-item" )
                    .children( ".ui-menu-item-wrapper" );
        this._addClass( activeParent, null, "ui-state-active" );

        if ( event && event.type === "keydown" ) {
            this._close();
        } else {
            this.timer = this._delay( function() {
                this._close();
            }, this.delay );
        }

        nested = item.children( ".ui-menu" );
        if ( nested.length && event && ( /^mouse/.test( event.type ) ) ) {
            this._startOpening( nested );
        }
        this.activeMenu = item.parent();

        this._trigger( "focus", event, { item: item } );
    },

    _scrollIntoView: function( item ) {
        var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight;
        if ( this._hasScroll() ) {
            borderTop = parseFloat( $.css( this.activeMenu[ 0 ], "borderTopWidth" ) ) || 0;
            paddingTop = parseFloat( $.css( this.activeMenu[ 0 ], "paddingTop" ) ) || 0;
            offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop;
            scroll = this.activeMenu.scrollTop();
            elementHeight = this.activeMenu.height();
            itemHeight = item.outerHeight();

            if ( offset < 0 ) {
                this.activeMenu.scrollTop( scroll + offset );
            } else if ( offset + itemHeight > elementHeight ) {
                this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight );
            }
        }
    },

    blur: function( event, fromFocus ) {
        if ( !fromFocus ) {
            clearTimeout( this.timer );
        }

        if ( !this.active ) {
            return;
        }

        this._removeClass( this.active.children( ".ui-menu-item-wrapper" ),
            null, "ui-state-active" );

        this._trigger( "blur", event, { item: this.active } );
        this.active = null;
    },

    _startOpening: function( submenu ) {
        clearTimeout( this.timer );

        // Don't open if already open fixes a Firefox bug that caused a .5 pixel
        // shift in the submenu position when mousing over the caret icon
        if ( submenu.attr( "aria-hidden" ) !== "true" ) {
            return;
        }

        this.timer = this._delay( function() {
            this._close();
            this._open( submenu );
        }, this.delay );
    },

    _open: function( submenu ) {
        var position = $.extend( {
            of: this.active
        }, this.options.position );

        clearTimeout( this.timer );
        this.element.find( ".ui-menu" ).not( submenu.parents( ".ui-menu" ) )
            .hide()
            .attr( "aria-hidden", "true" );

        submenu
            .show()
            .removeAttr( "aria-hidden" )
            .attr( "aria-expanded", "true" )
            .position( position );
    },

    collapseAll: function( event, all ) {
        clearTimeout( this.timer );
        this.timer = this._delay( function() {

            // If we were passed an event, look for the submenu that contains the event
            var currentMenu = all ? this.element :
                $( event && event.target ).closest( this.element.find( ".ui-menu" ) );

            // If we found no valid submenu ancestor, use the main menu to close all
            // sub menus anyway
            if ( !currentMenu.length ) {
                currentMenu = this.element;
            }

            this._close( currentMenu );

            this.blur( event );

            // Work around active item staying active after menu is blurred
            this._removeClass( currentMenu.find( ".ui-state-active" ), null, "ui-state-active" );

            this.activeMenu = currentMenu;
        }, this.delay );
    },

    // With no arguments, closes the currently active menu - if nothing is active
    // it closes all menus.  If passed an argument, it will search for menus BELOW
    _close: function( startMenu ) {
        if ( !startMenu ) {
            startMenu = this.active ? this.active.parent() : this.element;
        }

        startMenu.find( ".ui-menu" )
            .hide()
            .attr( "aria-hidden", "true" )
            .attr( "aria-expanded", "false" );
    },

    _closeOnDocumentClick: function( event ) {
        return !$( event.target ).closest( ".ui-menu" ).length;
    },

    _isDivider: function( item ) {

        // Match hyphen, em dash, en dash
        return !/[^\-\u2014\u2013\s]/.test( item.text() );
    },

    collapse: function( event ) {
        var newItem = this.active &&
            this.active.parent().closest( ".ui-menu-item", this.element );
        if ( newItem && newItem.length ) {
            this._close();
            this.focus( event, newItem );
        }
    },

    expand: function( event ) {
        var newItem = this.active &&
            this.active
                .children( ".ui-menu " )
                    .find( this.options.items )
                        .first();

        if ( newItem && newItem.length ) {
            this._open( newItem.parent() );

            // Delay so Firefox will not hide activedescendant change in expanding submenu from AT
            this._delay( function() {
                this.focus( event, newItem );
            } );
        }
    },

    next: function( event ) {
        this._move( "next", "first", event );
    },

    previous: function( event ) {
        this._move( "prev", "last", event );
    },

    isFirstItem: function() {
        return this.active && !this.active.prevAll( ".ui-menu-item" ).length;
    },

    isLastItem: function() {
        return this.active && !this.active.nextAll( ".ui-menu-item" ).length;
    },

    _move: function( direction, filter, event ) {
        var next;
        if ( this.active ) {
            if ( direction === "first" || direction === "last" ) {
                next = this.active
                    [ direction === "first" ? "prevAll" : "nextAll" ]( ".ui-menu-item" )
                    .eq( -1 );
            } else {
                next = this.active
                    [ direction + "All" ]( ".ui-menu-item" )
                    .eq( 0 );
            }
        }
        if ( !next || !next.length || !this.active ) {
            next = this.activeMenu.find( this.options.items )[ filter ]();
        }

        this.focus( event, next );
    },

    nextPage: function( event ) {
        var item, base, height;

        if ( !this.active ) {
            this.next( event );
            return;
        }
        if ( this.isLastItem() ) {
            return;
        }
        if ( this._hasScroll() ) {
            base = this.active.offset().top;
            height = this.element.height();
            this.active.nextAll( ".ui-menu-item" ).each( function() {
                item = $( this );
                return item.offset().top - base - height < 0;
            } );

            this.focus( event, item );
        } else {
            this.focus( event, this.activeMenu.find( this.options.items )
                [ !this.active ? "first" : "last" ]() );
        }
    },

    previousPage: function( event ) {
        var item, base, height;
        if ( !this.active ) {
            this.next( event );
            return;
        }
        if ( this.isFirstItem() ) {
            return;
        }
        if ( this._hasScroll() ) {
            base = this.active.offset().top;
            height = this.element.height();
            this.active.prevAll( ".ui-menu-item" ).each( function() {
                item = $( this );
                return item.offset().top - base + height > 0;
            } );

            this.focus( event, item );
        } else {
            this.focus( event, this.activeMenu.find( this.options.items ).first() );
        }
    },

    _hasScroll: function() {
        return this.element.outerHeight() < this.element.prop( "scrollHeight" );
    },

    select: function( event ) {

        // TODO: It should never be possible to not have an active item at this
        // point, but the tests don't trigger mouseenter before click.
        this.active = this.active || $( event.target ).closest( ".ui-menu-item" );
        var ui = { item: this.active };
        if ( !this.active.has( ".ui-menu" ).length ) {
            this.collapseAll( event, true );
        }
        this._trigger( "select", event, ui );
    },

    _filterMenuItems: function( character ) {
        var escapedCharacter = character.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" ),
            regex = new RegExp( "^" + escapedCharacter, "i" );

        return this.activeMenu
            .find( this.options.items )

                // Only match on items, not dividers or other content (#10571)
                .filter( ".ui-menu-item" )
                    .filter( function() {
                        return regex.test(
                            $.trim( $( this ).children( ".ui-menu-item-wrapper" ).text() ) );
                    } );
    }
} );


//>>label: Autocomplete
//>>group: Widgets
//>>description: Lists suggested words as the user is typing.
//>>docs: http://api.jqueryui.com/autocomplete/
//>>demos: http://jqueryui.com/autocomplete/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/autocomplete.css
//>>css.theme: ../../themes/base/theme.css



$.widget( "ui.autocomplete", {
    version: "1.12.1",
    defaultElement: "<input>",
    options: {
        appendTo: null,
        autoFocus: false,
        delay: 300,
        minLength: 1,
        position: {
            my: "left top",
            at: "left bottom",
            collision: "none"
        },
        source: null,

        // Callbacks
        change: null,
        close: null,
        focus: null,
        open: null,
        response: null,
        search: null,
        select: null
    },

    requestIndex: 0,
    pending: 0,

    _create: function() {

        // Some browsers only repeat keydown events, not keypress events,
        // so we use the suppressKeyPress flag to determine if we've already
        // handled the keydown event. #7269
        // Unfortunately the code for & in keypress is the same as the up arrow,
        // so we use the suppressKeyPressRepeat flag to avoid handling keypress
        // events when we know the keydown event was used to modify the
        // search term. #7799
        var suppressKeyPress, suppressKeyPressRepeat, suppressInput,
            nodeName = this.element[ 0 ].nodeName.toLowerCase(),
            isTextarea = nodeName === "textarea",
            isInput = nodeName === "input";

        // Textareas are always multi-line
        // Inputs are always single-line, even if inside a contentEditable element
        // IE also treats inputs as contentEditable
        // All other element types are determined by whether or not they're contentEditable
        this.isMultiLine = isTextarea || !isInput && this._isContentEditable( this.element );

        this.valueMethod = this.element[ isTextarea || isInput ? "val" : "text" ];
        this.isNewMenu = true;

        this._addClass( "ui-autocomplete-input" );
        this.element.attr( "autocomplete", "off" );

        this._on( this.element, {
            keydown: function( event ) {
                if ( this.element.prop( "readOnly" ) ) {
                    suppressKeyPress = true;
                    suppressInput = true;
                    suppressKeyPressRepeat = true;
                    return;
                }

                suppressKeyPress = false;
                suppressInput = false;
                suppressKeyPressRepeat = false;
                var keyCode = $.ui.keyCode;
                switch ( event.keyCode ) {
                case keyCode.PAGE_UP:
                    suppressKeyPress = true;
                    this._move( "previousPage", event );
                    break;
                case keyCode.PAGE_DOWN:
                    suppressKeyPress = true;
                    this._move( "nextPage", event );
                    break;
                case keyCode.UP:
                    suppressKeyPress = true;
                    this._keyEvent( "previous", event );
                    break;
                case keyCode.DOWN:
                    suppressKeyPress = true;
                    this._keyEvent( "next", event );
                    break;
                case keyCode.ENTER:

                    // when menu is open and has focus
                    if ( this.menu.active ) {

                        // #6055 - Opera still allows the keypress to occur
                        // which causes forms to submit
                        suppressKeyPress = true;
                        event.preventDefault();
                        this.menu.select( event );
                    }
                    break;
                case keyCode.TAB:
                    if ( this.menu.active ) {
                        this.menu.select( event );
                    }
                    break;
                case keyCode.ESCAPE:
                    if ( this.menu.element.is( ":visible" ) ) {
                        if ( !this.isMultiLine ) {
                            this._value( this.term );
                        }
                        this.close( event );

                        // Different browsers have different default behavior for escape
                        // Single press can mean undo or clear
                        // Double press in IE means clear the whole form
                        event.preventDefault();
                    }
                    break;
                default:
                    suppressKeyPressRepeat = true;

                    // search timeout should be triggered before the input value is changed
                    this._searchTimeout( event );
                    break;
                }
            },
            keypress: function( event ) {
                if ( suppressKeyPress ) {
                    suppressKeyPress = false;
                    if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
                        event.preventDefault();
                    }
                    return;
                }
                if ( suppressKeyPressRepeat ) {
                    return;
                }

                // Replicate some key handlers to allow them to repeat in Firefox and Opera
                var keyCode = $.ui.keyCode;
                switch ( event.keyCode ) {
                case keyCode.PAGE_UP:
                    this._move( "previousPage", event );
                    break;
                case keyCode.PAGE_DOWN:
                    this._move( "nextPage", event );
                    break;
                case keyCode.UP:
                    this._keyEvent( "previous", event );
                    break;
                case keyCode.DOWN:
                    this._keyEvent( "next", event );
                    break;
                }
            },
            input: function( event ) {
                if ( suppressInput ) {
                    suppressInput = false;
                    event.preventDefault();
                    return;
                }
                this._searchTimeout( event );
            },
            focus: function() {
                this.selectedItem = null;
                this.previous = this._value();
            },
            blur: function( event ) {
                if ( this.cancelBlur ) {
                    delete this.cancelBlur;
                    return;
                }

                clearTimeout( this.searching );
                this.close( event );
                this._change( event );
            }
        } );

        this._initSource();
        this.menu = $( "<ul>" )
            .appendTo( this._appendTo() )
            .menu( {

                // disable ARIA support, the live region takes care of that
                role: null
            } )
            .hide()
            .menu( "instance" );

        this._addClass( this.menu.element, "ui-autocomplete", "ui-front" );
        this._on( this.menu.element, {
            mousedown: function( event ) {

                // prevent moving focus out of the text field
                event.preventDefault();

                // IE doesn't prevent moving focus even with event.preventDefault()
                // so we set a flag to know when we should ignore the blur event
                this.cancelBlur = true;
                this._delay( function() {
                    delete this.cancelBlur;

                    // Support: IE 8 only
                    // Right clicking a menu item or selecting text from the menu items will
                    // result in focus moving out of the input. However, we've already received
                    // and ignored the blur event because of the cancelBlur flag set above. So
                    // we restore focus to ensure that the menu closes properly based on the user's
                    // next actions.
                    if ( this.element[ 0 ] !== $.ui.safeActiveElement( this.document[ 0 ] ) ) {
                        this.element.trigger( "focus" );
                    }
                } );
            },
            menufocus: function( event, ui ) {
                var label, item;

                // support: Firefox
                // Prevent accidental activation of menu items in Firefox (#7024 #9118)
                if ( this.isNewMenu ) {
                    this.isNewMenu = false;
                    if ( event.originalEvent && /^mouse/.test( event.originalEvent.type ) ) {
                        this.menu.blur();

                        this.document.one( "mousemove", function() {
                            $( event.target ).trigger( event.originalEvent );
                        } );

                        return;
                    }
                }

                item = ui.item.data( "ui-autocomplete-item" );
                if ( false !== this._trigger( "focus", event, { item: item } ) ) {

                    // use value to match what will end up in the input, if it was a key event
                    if ( event.originalEvent && /^key/.test( event.originalEvent.type ) ) {
                        this._value( item.value );
                    }
                }

                // Announce the value in the liveRegion
                label = ui.item.attr( "aria-label" ) || item.value;
                if ( label && $.trim( label ).length ) {
                    this.liveRegion.children().hide();
                    $( "<div>" ).text( label ).appendTo( this.liveRegion );
                }
            },
            menuselect: function( event, ui ) {
                var item = ui.item.data( "ui-autocomplete-item" ),
                    previous = this.previous;

                // Only trigger when focus was lost (click on menu)
                if ( this.element[ 0 ] !== $.ui.safeActiveElement( this.document[ 0 ] ) ) {
                    this.element.trigger( "focus" );
                    this.previous = previous;

                    // #6109 - IE triggers two focus events and the second
                    // is asynchronous, so we need to reset the previous
                    // term synchronously and asynchronously :-(
                    this._delay( function() {
                        this.previous = previous;
                        this.selectedItem = item;
                    } );
                }

                if ( false !== this._trigger( "select", event, { item: item } ) ) {
                    this._value( item.value );
                }

                // reset the term after the select event
                // this allows custom select handling to work properly
                this.term = this._value();

                this.close( event );
                this.selectedItem = item;
            }
        } );

        this.liveRegion = $( "<div>", {
            role: "status",
            "aria-live": "assertive",
            "aria-relevant": "additions"
        } )
            .appendTo( this.document[ 0 ].body );

        this._addClass( this.liveRegion, null, "ui-helper-hidden-accessible" );

        // Turning off autocomplete prevents the browser from remembering the
        // value when navigating through history, so we re-enable autocomplete
        // if the page is unloaded before the widget is destroyed. #7790
        this._on( this.window, {
            beforeunload: function() {
                this.element.removeAttr( "autocomplete" );
            }
        } );
    },

    _destroy: function() {
        clearTimeout( this.searching );
        this.element.removeAttr( "autocomplete" );
        this.menu.element.remove();
        this.liveRegion.remove();
    },

    _setOption: function( key, value ) {
        this._super( key, value );
        if ( key === "source" ) {
            this._initSource();
        }
        if ( key === "appendTo" ) {
            this.menu.element.appendTo( this._appendTo() );
        }
        if ( key === "disabled" && value && this.xhr ) {
            this.xhr.abort();
        }
    },

    _isEventTargetInWidget: function( event ) {
        var menuElement = this.menu.element[ 0 ];

        return event.target === this.element[ 0 ] ||
            event.target === menuElement ||
            $.contains( menuElement, event.target );
    },

    _closeOnClickOutside: function( event ) {
        if ( !this._isEventTargetInWidget( event ) ) {
            this.close();
        }
    },

    _appendTo: function() {
        var element = this.options.appendTo;

        if ( element ) {
            element = element.jquery || element.nodeType ?
                $( element ) :
                this.document.find( element ).eq( 0 );
        }

        if ( !element || !element[ 0 ] ) {
            element = this.element.closest( ".ui-front, dialog" );
        }

        if ( !element.length ) {
            element = this.document[ 0 ].body;
        }

        return element;
    },

    _initSource: function() {
        var array, url,
            that = this;
        if ( $.isArray( this.options.source ) ) {
            array = this.options.source;
            this.source = function( request, response ) {
                response( $.ui.autocomplete.filter( array, request.term ) );
            };
        } else if ( typeof this.options.source === "string" ) {
            url = this.options.source;
            this.source = function( request, response ) {
                if ( that.xhr ) {
                    that.xhr.abort();
                }
                that.xhr = $.ajax( {
                    url: url,
                    data: request,
                    dataType: "json",
                    success: function( data ) {
                        response( data );
                    },
                    error: function() {
                        response( [] );
                    }
                } );
            };
        } else {
            this.source = this.options.source;
        }
    },

    _searchTimeout: function( event ) {
        clearTimeout( this.searching );
        this.searching = this._delay( function() {

            // Search if the value has changed, or if the user retypes the same value (see #7434)
            var equalValues = this.term === this._value(),
                menuVisible = this.menu.element.is( ":visible" ),
                modifierKey = event.altKey || event.ctrlKey || event.metaKey || event.shiftKey;

            if ( !equalValues || ( equalValues && !menuVisible && !modifierKey ) ) {
                this.selectedItem = null;
                this.search( null, event );
            }
        }, this.options.delay );
    },

    search: function( value, event ) {
        value = value != null ? value : this._value();

        // Always save the actual value, not the one passed as an argument
        this.term = this._value();

        if ( value.length < this.options.minLength ) {
            return this.close( event );
        }

        if ( this._trigger( "search", event ) === false ) {
            return;
        }

        return this._search( value );
    },

    _search: function( value ) {
        this.pending++;
        this._addClass( "ui-autocomplete-loading" );
        this.cancelSearch = false;

        this.source( { term: value }, this._response() );
    },

    _response: function() {
        var index = ++this.requestIndex;

        return $.proxy( function( content ) {
            if ( index === this.requestIndex ) {
                this.__response( content );
            }

            this.pending--;
            if ( !this.pending ) {
                this._removeClass( "ui-autocomplete-loading" );
            }
        }, this );
    },

    __response: function( content ) {
        if ( content ) {
            content = this._normalize( content );
        }
        this._trigger( "response", null, { content: content } );
        if ( !this.options.disabled && content && content.length && !this.cancelSearch ) {
            this._suggest( content );
            this._trigger( "open" );
        } else {

            // use ._close() instead of .close() so we don't cancel future searches
            this._close();
        }
    },

    close: function( event ) {
        this.cancelSearch = true;
        this._close( event );
    },

    _close: function( event ) {

        // Remove the handler that closes the menu on outside clicks
        this._off( this.document, "mousedown" );

        if ( this.menu.element.is( ":visible" ) ) {
            this.menu.element.hide();
            this.menu.blur();
            this.isNewMenu = true;
            this._trigger( "close", event );
        }
    },

    _change: function( event ) {
        if ( this.previous !== this._value() ) {
            this._trigger( "change", event, { item: this.selectedItem } );
        }
    },

    _normalize: function( items ) {

        // assume all items have the right format when the first item is complete
        if ( items.length && items[ 0 ].label && items[ 0 ].value ) {
            return items;
        }
        return $.map( items, function( item ) {
            if ( typeof item === "string" ) {
                return {
                    label: item,
                    value: item
                };
            }
            return $.extend( {}, item, {
                label: item.label || item.value,
                value: item.value || item.label
            } );
        } );
    },

    _suggest: function( items ) {
        var ul = this.menu.element.empty();
        this._renderMenu( ul, items );
        this.isNewMenu = true;
        this.menu.refresh();

        // Size and position menu
        ul.show();
        this._resizeMenu();
        ul.position( $.extend( {
            of: this.element
        }, this.options.position ) );

        if ( this.options.autoFocus ) {
            this.menu.next();
        }

        // Listen for interactions outside of the widget (#6642)
        this._on( this.document, {
            mousedown: "_closeOnClickOutside"
        } );
    },

    _resizeMenu: function() {
        var ul = this.menu.element;
        ul.outerWidth( Math.max(

            // Firefox wraps long text (possibly a rounding bug)
            // so we add 1px to avoid the wrapping (#7513)
            ul.width( "" ).outerWidth() + 1,
            this.element.outerWidth()
        ) );
    },

    _renderMenu: function( ul, items ) {
        var that = this;
        $.each( items, function( index, item ) {
            that._renderItemData( ul, item );
        } );
    },

    _renderItemData: function( ul, item ) {
        return this._renderItem( ul, item ).data( "ui-autocomplete-item", item );
    },

    _renderItem: function( ul, item ) {
        return $( "<li>" )
            .append( $( "<div>" ).text( item.label ) )
            .appendTo( ul );
    },

    _move: function( direction, event ) {
        if ( !this.menu.element.is( ":visible" ) ) {
            this.search( null, event );
            return;
        }
        if ( this.menu.isFirstItem() && /^previous/.test( direction ) ||
                this.menu.isLastItem() && /^next/.test( direction ) ) {

            if ( !this.isMultiLine ) {
                this._value( this.term );
            }

            this.menu.blur();
            return;
        }
        this.menu[ direction ]( event );
    },

    widget: function() {
        return this.menu.element;
    },

    _value: function() {
        return this.valueMethod.apply( this.element, arguments );
    },

    _keyEvent: function( keyEvent, event ) {
        if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
            this._move( keyEvent, event );

            // Prevents moving cursor to beginning/end of the text field in some browsers
            event.preventDefault();
        }
    },

    // Support: Chrome <=50
    // We should be able to just use this.element.prop( "isContentEditable" )
    // but hidden elements always report false in Chrome.
    // https://code.google.com/p/chromium/issues/detail?id=313082
    _isContentEditable: function( element ) {
        if ( !element.length ) {
            return false;
        }

        var editable = element.prop( "contentEditable" );

        if ( editable === "inherit" ) {
          return this._isContentEditable( element.parent() );
        }

        return editable === "true";
    }
} );

$.extend( $.ui.autocomplete, {
    escapeRegex: function( value ) {
        return value.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" );
    },
    filter: function( array, term ) {
        var matcher = new RegExp( $.ui.autocomplete.escapeRegex( term ), "i" );
        return $.grep( array, function( value ) {
            return matcher.test( value.label || value.value || value );
        } );
    }
} );

// Live region extension, adding a `messages` option
// NOTE: This is an experimental API. We are still investigating
// a full solution for string manipulation and internationalization.
$.widget( "ui.autocomplete", $.ui.autocomplete, {
    options: {
        messages: {
            noResults: "No search results.",
            results: function( amount ) {
                return amount + ( amount > 1 ? " results are" : " result is" ) +
                    " available, use up and down arrow keys to navigate.";
            }
        }
    },

    __response: function( content ) {
        var message;
        this._superApply( arguments );
        if ( this.options.disabled || this.cancelSearch ) {
            return;
        }
        if ( content && content.length ) {
            message = this.options.messages.results( content.length );
        } else {
            message = this.options.messages.noResults;
        }
        this.liveRegion.children().hide();
        $( "<div>" ).text( message ).appendTo( this.liveRegion );
    }
} );

var widgetsAutocomplete = $.ui.autocomplete;


//>>label: Controlgroup
//>>group: Widgets
//>>description: Visually groups form control widgets
//>>docs: http://api.jqueryui.com/controlgroup/
//>>demos: http://jqueryui.com/controlgroup/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/controlgroup.css
//>>css.theme: ../../themes/base/theme.css


var controlgroupCornerRegex = /ui-corner-([a-z]){2,6}/g;

var widgetsControlgroup = $.widget( "ui.controlgroup", {
    version: "1.12.1",
    defaultElement: "<div>",
    options: {
        direction: "horizontal",
        disabled: null,
        onlyVisible: true,
        items: {
            "button": "input[type=button], input[type=submit], input[type=reset], button, a",
            "controlgroupLabel": ".ui-controlgroup-label",
            "checkboxradio": "input[type='checkbox'], input[type='radio']",
            "selectmenu": "select",
            "spinner": ".ui-spinner-input"
        }
    },

    _create: function() {
        this._enhance();
    },

    // To support the enhanced option in jQuery Mobile, we isolate DOM manipulation
    _enhance: function() {
        this.element.attr( "role", "toolbar" );
        this.refresh();
    },

    _destroy: function() {
        this._callChildMethod( "destroy" );
        this.childWidgets.removeData( "ui-controlgroup-data" );
        this.element.removeAttr( "role" );
        if ( this.options.items.controlgroupLabel ) {
            this.element
                .find( this.options.items.controlgroupLabel )
                .find( ".ui-controlgroup-label-contents" )
                .contents().unwrap();
        }
    },

    _initWidgets: function() {
        var that = this,
            childWidgets = [];

        // First we iterate over each of the items options
        $.each( this.options.items, function( widget, selector ) {
            var labels;
            var options = {};

            // Make sure the widget has a selector set
            if ( !selector ) {
                return;
            }

            if ( widget === "controlgroupLabel" ) {
                labels = that.element.find( selector );
                labels.each( function() {
                    var element = $( this );

                    if ( element.children( ".ui-controlgroup-label-contents" ).length ) {
                        return;
                    }
                    element.contents()
                        .wrapAll( "<span class='ui-controlgroup-label-contents'></span>" );
                } );
                that._addClass( labels, null, "ui-widget ui-widget-content ui-state-default" );
                childWidgets = childWidgets.concat( labels.get() );
                return;
            }

            // Make sure the widget actually exists
            if ( !$.fn[ widget ] ) {
                return;
            }

            // We assume everything is in the middle to start because we can't determine
            // first / last elements until all enhancments are done.
            if ( that[ "_" + widget + "Options" ] ) {
                options = that[ "_" + widget + "Options" ]( "middle" );
            } else {
                options = { classes: {} };
            }

            // Find instances of this widget inside controlgroup and init them
            that.element
                .find( selector )
                .each( function() {
                    var element = $( this );
                    var instance = element[ widget ]( "instance" );

                    // We need to clone the default options for this type of widget to avoid
                    // polluting the variable options which has a wider scope than a single widget.
                    var instanceOptions = $.widget.extend( {}, options );

                    // If the button is the child of a spinner ignore it
                    // TODO: Find a more generic solution
                    if ( widget === "button" && element.parent( ".ui-spinner" ).length ) {
                        return;
                    }

                    // Create the widget if it doesn't exist
                    if ( !instance ) {
                        instance = element[ widget ]()[ widget ]( "instance" );
                    }
                    if ( instance ) {
                        instanceOptions.classes =
                            that._resolveClassesValues( instanceOptions.classes, instance );
                    }
                    element[ widget ]( instanceOptions );

                    // Store an instance of the controlgroup to be able to reference
                    // from the outermost element for changing options and refresh
                    var widgetElement = element[ widget ]( "widget" );
                    $.data( widgetElement[ 0 ], "ui-controlgroup-data",
                        instance ? instance : element[ widget ]( "instance" ) );

                    childWidgets.push( widgetElement[ 0 ] );
                } );
        } );

        this.childWidgets = $( $.unique( childWidgets ) );
        this._addClass( this.childWidgets, "ui-controlgroup-item" );
    },

    _callChildMethod: function( method ) {
        this.childWidgets.each( function() {
            var element = $( this ),
                data = element.data( "ui-controlgroup-data" );
            if ( data && data[ method ] ) {
                data[ method ]();
            }
        } );
    },

    _updateCornerClass: function( element, position ) {
        var remove = "ui-corner-top ui-corner-bottom ui-corner-left ui-corner-right ui-corner-all";
        var add = this._buildSimpleOptions( position, "label" ).classes.label;

        this._removeClass( element, null, remove );
        this._addClass( element, null, add );
    },

    _buildSimpleOptions: function( position, key ) {
        var direction = this.options.direction === "vertical";
        var result = {
            classes: {}
        };
        result.classes[ key ] = {
            "middle": "",
            "first": "ui-corner-" + ( direction ? "top" : "left" ),
            "last": "ui-corner-" + ( direction ? "bottom" : "right" ),
            "only": "ui-corner-all"
        }[ position ];

        return result;
    },

    _spinnerOptions: function( position ) {
        var options = this._buildSimpleOptions( position, "ui-spinner" );

        options.classes[ "ui-spinner-up" ] = "";
        options.classes[ "ui-spinner-down" ] = "";

        return options;
    },

    _buttonOptions: function( position ) {
        return this._buildSimpleOptions( position, "ui-button" );
    },

    _checkboxradioOptions: function( position ) {
        return this._buildSimpleOptions( position, "ui-checkboxradio-label" );
    },

    _selectmenuOptions: function( position ) {
        var direction = this.options.direction === "vertical";
        return {
            width: direction ? "auto" : false,
            classes: {
                middle: {
                    "ui-selectmenu-button-open": "",
                    "ui-selectmenu-button-closed": ""
                },
                first: {
                    "ui-selectmenu-button-open": "ui-corner-" + ( direction ? "top" : "tl" ),
                    "ui-selectmenu-button-closed": "ui-corner-" + ( direction ? "top" : "left" )
                },
                last: {
                    "ui-selectmenu-button-open": direction ? "" : "ui-corner-tr",
                    "ui-selectmenu-button-closed": "ui-corner-" + ( direction ? "bottom" : "right" )
                },
                only: {
                    "ui-selectmenu-button-open": "ui-corner-top",
                    "ui-selectmenu-button-closed": "ui-corner-all"
                }

            }[ position ]
        };
    },

    _resolveClassesValues: function( classes, instance ) {
        var result = {};
        $.each( classes, function( key ) {
            var current = instance.options.classes[ key ] || "";
            current = $.trim( current.replace( controlgroupCornerRegex, "" ) );
            result[ key ] = ( current + " " + classes[ key ] ).replace( /\s+/g, " " );
        } );
        return result;
    },

    _setOption: function( key, value ) {
        if ( key === "direction" ) {
            this._removeClass( "ui-controlgroup-" + this.options.direction );
        }

        this._super( key, value );
        if ( key === "disabled" ) {
            this._callChildMethod( value ? "disable" : "enable" );
            return;
        }

        this.refresh();
    },

    refresh: function() {
        var children,
            that = this;

        this._addClass( "ui-controlgroup ui-controlgroup-" + this.options.direction );

        if ( this.options.direction === "horizontal" ) {
            this._addClass( null, "ui-helper-clearfix" );
        }
        this._initWidgets();

        children = this.childWidgets;

        // We filter here because we need to track all childWidgets not just the visible ones
        if ( this.options.onlyVisible ) {
            children = children.filter( ":visible" );
        }

        if ( children.length ) {

            // We do this last because we need to make sure all enhancment is done
            // before determining first and last
            $.each( [ "first", "last" ], function( index, value ) {
                var instance = children[ value ]().data( "ui-controlgroup-data" );

                if ( instance && that[ "_" + instance.widgetName + "Options" ] ) {
                    var options = that[ "_" + instance.widgetName + "Options" ](
                        children.length === 1 ? "only" : value
                    );
                    options.classes = that._resolveClassesValues( options.classes, instance );
                    instance.element[ instance.widgetName ]( options );
                } else {
                    that._updateCornerClass( children[ value ](), value );
                }
            } );

            // Finally call the refresh method on each of the child widgets.
            this._callChildMethod( "refresh" );
        }
    }
} );

//>>label: Checkboxradio
//>>group: Widgets
//>>description: Enhances a form with multiple themeable checkboxes or radio buttons.
//>>docs: http://api.jqueryui.com/checkboxradio/
//>>demos: http://jqueryui.com/checkboxradio/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/button.css
//>>css.structure: ../../themes/base/checkboxradio.css
//>>css.theme: ../../themes/base/theme.css



$.widget( "ui.checkboxradio", [ $.ui.formResetMixin, {
    version: "1.12.1",
    options: {
        disabled: null,
        label: null,
        icon: true,
        classes: {
            "ui-checkboxradio-label": "ui-corner-all",
            "ui-checkboxradio-icon": "ui-corner-all"
        }
    },

    _getCreateOptions: function() {
        var disabled, labels;
        var that = this;
        var options = this._super() || {};

        // We read the type here, because it makes more sense to throw a element type error first,
        // rather then the error for lack of a label. Often if its the wrong type, it
        // won't have a label (e.g. calling on a div, btn, etc)
        this._readType();

        labels = this.element.labels();

        // If there are multiple labels, use the last one
        this.label = $( labels[ labels.length - 1 ] );
        if ( !this.label.length ) {
            $.error( "No label found for checkboxradio widget" );
        }

        this.originalLabel = "";

        // We need to get the label text but this may also need to make sure it does not contain the
        // input itself.
        this.label.contents().not( this.element[ 0 ] ).each( function() {

            // The label contents could be text, html, or a mix. We concat each element to get a
            // string representation of the label, without the input as part of it.
            that.originalLabel += this.nodeType === 3 ? $( this ).text() : this.outerHTML;
        } );

        // Set the label option if we found label text
        if ( this.originalLabel ) {
            options.label = this.originalLabel;
        }

        disabled = this.element[ 0 ].disabled;
        if ( disabled != null ) {
            options.disabled = disabled;
        }
        return options;
    },

    _create: function() {
        var checked = this.element[ 0 ].checked;

        this._bindFormResetHandler();

        if ( this.options.disabled == null ) {
            this.options.disabled = this.element[ 0 ].disabled;
        }

        this._setOption( "disabled", this.options.disabled );
        this._addClass( "ui-checkboxradio", "ui-helper-hidden-accessible" );
        this._addClass( this.label, "ui-checkboxradio-label", "ui-button ui-widget" );

        if ( this.type === "radio" ) {
            this._addClass( this.label, "ui-checkboxradio-radio-label" );
        }

        if ( this.options.label && this.options.label !== this.originalLabel ) {
            this._updateLabel();
        } else if ( this.originalLabel ) {
            this.options.label = this.originalLabel;
        }

        this._enhance();

        if ( checked ) {
            this._addClass( this.label, "ui-checkboxradio-checked", "ui-state-active" );
            if ( this.icon ) {
                this._addClass( this.icon, null, "ui-state-hover" );
            }
        }

        this._on( {
            change: "_toggleClasses",
            focus: function() {
                this._addClass( this.label, null, "ui-state-focus ui-visual-focus" );
            },
            blur: function() {
                this._removeClass( this.label, null, "ui-state-focus ui-visual-focus" );
            }
        } );
    },

    _readType: function() {
        var nodeName = this.element[ 0 ].nodeName.toLowerCase();
        this.type = this.element[ 0 ].type;
        if ( nodeName !== "input" || !/radio|checkbox/.test( this.type ) ) {
            $.error( "Can't create checkboxradio on element.nodeName=" + nodeName +
                " and element.type=" + this.type );
        }
    },

    // Support jQuery Mobile enhanced option
    _enhance: function() {
        this._updateIcon( this.element[ 0 ].checked );
    },

    widget: function() {
        return this.label;
    },

    _getRadioGroup: function() {
        var group;
        var name = this.element[ 0 ].name;
        var nameSelector = "input[name='" + $.ui.escapeSelector( name ) + "']";

        if ( !name ) {
            return $( [] );
        }

        if ( this.form.length ) {
            group = $( this.form[ 0 ].elements ).filter( nameSelector );
        } else {

            // Not inside a form, check all inputs that also are not inside a form
            group = $( nameSelector ).filter( function() {
                return $( this ).form().length === 0;
            } );
        }

        return group.not( this.element );
    },

    _toggleClasses: function() {
        var checked = this.element[ 0 ].checked;
        this._toggleClass( this.label, "ui-checkboxradio-checked", "ui-state-active", checked );

        if ( this.options.icon && this.type === "checkbox" ) {
            this._toggleClass( this.icon, null, "ui-icon-check ui-state-checked", checked )
                ._toggleClass( this.icon, null, "ui-icon-blank", !checked );
        }

        if ( this.type === "radio" ) {
            this._getRadioGroup()
                .each( function() {
                    var instance = $( this ).checkboxradio( "instance" );

                    if ( instance ) {
                        instance._removeClass( instance.label,
                            "ui-checkboxradio-checked", "ui-state-active" );
                    }
                } );
        }
    },

    _destroy: function() {
        this._unbindFormResetHandler();

        if ( this.icon ) {
            this.icon.remove();
            this.iconSpace.remove();
        }
    },

    _setOption: function( key, value ) {

        // We don't allow the value to be set to nothing
        if ( key === "label" && !value ) {
            return;
        }

        this._super( key, value );

        if ( key === "disabled" ) {
            this._toggleClass( this.label, null, "ui-state-disabled", value );
            this.element[ 0 ].disabled = value;

            // Don't refresh when setting disabled
            return;
        }
        this.refresh();
    },

    _updateIcon: function( checked ) {
        var toAdd = "ui-icon ui-icon-background ";

        if ( this.options.icon ) {
            if ( !this.icon ) {
                this.icon = $( "<span>" );
                this.iconSpace = $( "<span> </span>" );
                this._addClass( this.iconSpace, "ui-checkboxradio-icon-space" );
            }

            if ( this.type === "checkbox" ) {
                toAdd += checked ? "ui-icon-check ui-state-checked" : "ui-icon-blank";
                this._removeClass( this.icon, null, checked ? "ui-icon-blank" : "ui-icon-check" );
            } else {
                toAdd += "ui-icon-blank";
            }
            this._addClass( this.icon, "ui-checkboxradio-icon", toAdd );
            if ( !checked ) {
                this._removeClass( this.icon, null, "ui-icon-check ui-state-checked" );
            }
            this.icon.prependTo( this.label ).after( this.iconSpace );
        } else if ( this.icon !== undefined ) {
            this.icon.remove();
            this.iconSpace.remove();
            delete this.icon;
        }
    },

    _updateLabel: function() {

        // Remove the contents of the label ( minus the icon, icon space, and input )
        var contents = this.label.contents().not( this.element[ 0 ] );
        if ( this.icon ) {
            contents = contents.not( this.icon[ 0 ] );
        }
        if ( this.iconSpace ) {
            contents = contents.not( this.iconSpace[ 0 ] );
        }
        contents.remove();

        this.label.append( this.options.label );
    },

    refresh: function() {
        var checked = this.element[ 0 ].checked,
            isDisabled = this.element[ 0 ].disabled;

        this._updateIcon( checked );
        this._toggleClass( this.label, "ui-checkboxradio-checked", "ui-state-active", checked );
        if ( this.options.label !== null ) {
            this._updateLabel();
        }

        if ( isDisabled !== this.options.disabled ) {
            this._setOptions( { "disabled": isDisabled } );
        }
    }

} ] );

var widgetsCheckboxradio = $.ui.checkboxradio;


//>>label: Button
//>>group: Widgets
//>>description: Enhances a form with themeable buttons.
//>>docs: http://api.jqueryui.com/button/
//>>demos: http://jqueryui.com/button/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/button.css
//>>css.theme: ../../themes/base/theme.css



$.widget( "ui.button", {
    version: "1.12.1",
    defaultElement: "<button>",
    options: {
        classes: {
            "ui-button": "ui-corner-all"
        },
        disabled: null,
        icon: null,
        iconPosition: "beginning",
        label: null,
        showLabel: true
    },

    _getCreateOptions: function() {
        var disabled,

            // This is to support cases like in jQuery Mobile where the base widget does have
            // an implementation of _getCreateOptions
            options = this._super() || {};

        this.isInput = this.element.is( "input" );

        disabled = this.element[ 0 ].disabled;
        if ( disabled != null ) {
            options.disabled = disabled;
        }

        this.originalLabel = this.isInput ? this.element.val() : this.element.html();
        if ( this.originalLabel ) {
            options.label = this.originalLabel;
        }

        return options;
    },

    _create: function() {
        if ( !this.option.showLabel & !this.options.icon ) {
            this.options.showLabel = true;
        }

        // We have to check the option again here even though we did in _getCreateOptions,
        // because null may have been passed on init which would override what was set in
        // _getCreateOptions
        if ( this.options.disabled == null ) {
            this.options.disabled = this.element[ 0 ].disabled || false;
        }

        this.hasTitle = !!this.element.attr( "title" );

        // Check to see if the label needs to be set or if its already correct
        if ( this.options.label && this.options.label !== this.originalLabel ) {
            if ( this.isInput ) {
                this.element.val( this.options.label );
            } else {
                this.element.html( this.options.label );
            }
        }
        this._addClass( "ui-button", "ui-widget" );
        this._setOption( "disabled", this.options.disabled );
        this._enhance();

        if ( this.element.is( "a" ) ) {
            this._on( {
                "keyup": function( event ) {
                    if ( event.keyCode === $.ui.keyCode.SPACE ) {
                        event.preventDefault();

                        // Support: PhantomJS <= 1.9, IE 8 Only
                        // If a native click is available use it so we actually cause navigation
                        // otherwise just trigger a click event
                        if ( this.element[ 0 ].click ) {
                            this.element[ 0 ].click();
                        } else {
                            this.element.trigger( "click" );
                        }
                    }
                }
            } );
        }
    },

    _enhance: function() {
        if ( !this.element.is( "button" ) ) {
            this.element.attr( "role", "button" );
        }

        if ( this.options.icon ) {
            this._updateIcon( "icon", this.options.icon );
            this._updateTooltip();
        }
    },

    _updateTooltip: function() {
        this.title = this.element.attr( "title" );

        if ( !this.options.showLabel && !this.title ) {
            this.element.attr( "title", this.options.label );
        }
    },

    _updateIcon: function( option, value ) {
        var icon = option !== "iconPosition",
            position = icon ? this.options.iconPosition : value,
            displayBlock = position === "top" || position === "bottom";

        // Create icon
        if ( !this.icon ) {
            this.icon = $( "<span>" );

            this._addClass( this.icon, "ui-button-icon", "ui-icon" );

            if ( !this.options.showLabel ) {
                this._addClass( "ui-button-icon-only" );
            }
        } else if ( icon ) {

            // If we are updating the icon remove the old icon class
            this._removeClass( this.icon, null, this.options.icon );
        }

        // If we are updating the icon add the new icon class
        if ( icon ) {
            this._addClass( this.icon, null, value );
        }

        this._attachIcon( position );

        // If the icon is on top or bottom we need to add the ui-widget-icon-block class and remove
        // the iconSpace if there is one.
        if ( displayBlock ) {
            this._addClass( this.icon, null, "ui-widget-icon-block" );
            if ( this.iconSpace ) {
                this.iconSpace.remove();
            }
        } else {

            // Position is beginning or end so remove the ui-widget-icon-block class and add the
            // space if it does not exist
            if ( !this.iconSpace ) {
                this.iconSpace = $( "<span> </span>" );
                this._addClass( this.iconSpace, "ui-button-icon-space" );
            }
            this._removeClass( this.icon, null, "ui-wiget-icon-block" );
            this._attachIconSpace( position );
        }
    },

    _destroy: function() {
        this.element.removeAttr( "role" );

        if ( this.icon ) {
            this.icon.remove();
        }
        if ( this.iconSpace ) {
            this.iconSpace.remove();
        }
        if ( !this.hasTitle ) {
            this.element.removeAttr( "title" );
        }
    },

    _attachIconSpace: function( iconPosition ) {
        this.icon[ /^(?:end|bottom)/.test( iconPosition ) ? "before" : "after" ]( this.iconSpace );
    },

    _attachIcon: function( iconPosition ) {
        this.element[ /^(?:end|bottom)/.test( iconPosition ) ? "append" : "prepend" ]( this.icon );
    },

    _setOptions: function( options ) {
        var newShowLabel = options.showLabel === undefined ?
                this.options.showLabel :
                options.showLabel,
            newIcon = options.icon === undefined ? this.options.icon : options.icon;

        if ( !newShowLabel && !newIcon ) {
            options.showLabel = true;
        }
        this._super( options );
    },

    _setOption: function( key, value ) {
        if ( key === "icon" ) {
            if ( value ) {
                this._updateIcon( key, value );
            } else if ( this.icon ) {
                this.icon.remove();
                if ( this.iconSpace ) {
                    this.iconSpace.remove();
                }
            }
        }

        if ( key === "iconPosition" ) {
            this._updateIcon( key, value );
        }

        // Make sure we can't end up with a button that has neither text nor icon
        if ( key === "showLabel" ) {
                this._toggleClass( "ui-button-icon-only", null, !value );
                this._updateTooltip();
        }

        if ( key === "label" ) {
            if ( this.isInput ) {
                this.element.val( value );
            } else {

                // If there is an icon, append it, else nothing then append the value
                // this avoids removal of the icon when setting label text
                this.element.html( value );
                if ( this.icon ) {
                    this._attachIcon( this.options.iconPosition );
                    this._attachIconSpace( this.options.iconPosition );
                }
            }
        }

        this._super( key, value );

        if ( key === "disabled" ) {
            this._toggleClass( null, "ui-state-disabled", value );
            this.element[ 0 ].disabled = value;
            if ( value ) {
                this.element.blur();
            }
        }
    },

    refresh: function() {

        // Make sure to only check disabled if its an element that supports this otherwise
        // check for the disabled class to determine state
        var isDisabled = this.element.is( "input, button" ) ?
            this.element[ 0 ].disabled : this.element.hasClass( "ui-button-disabled" );

        if ( isDisabled !== this.options.disabled ) {
            this._setOptions( { disabled: isDisabled } );
        }

        this._updateTooltip();
    }
} );

// DEPRECATED
if ( $.uiBackCompat !== false ) {

    // Text and Icons options
    $.widget( "ui.button", $.ui.button, {
        options: {
            text: true,
            icons: {
                primary: null,
                secondary: null
            }
        },

        _create: function() {
            if ( this.options.showLabel && !this.options.text ) {
                this.options.showLabel = this.options.text;
            }
            if ( !this.options.showLabel && this.options.text ) {
                this.options.text = this.options.showLabel;
            }
            if ( !this.options.icon && ( this.options.icons.primary ||
                    this.options.icons.secondary ) ) {
                if ( this.options.icons.primary ) {
                    this.options.icon = this.options.icons.primary;
                } else {
                    this.options.icon = this.options.icons.secondary;
                    this.options.iconPosition = "end";
                }
            } else if ( this.options.icon ) {
                this.options.icons.primary = this.options.icon;
            }
            this._super();
        },

        _setOption: function( key, value ) {
            if ( key === "text" ) {
                this._super( "showLabel", value );
                return;
            }
            if ( key === "showLabel" ) {
                this.options.text = value;
            }
            if ( key === "icon" ) {
                this.options.icons.primary = value;
            }
            if ( key === "icons" ) {
                if ( value.primary ) {
                    this._super( "icon", value.primary );
                    this._super( "iconPosition", "beginning" );
                } else if ( value.secondary ) {
                    this._super( "icon", value.secondary );
                    this._super( "iconPosition", "end" );
                }
            }
            this._superApply( arguments );
        }
    } );

    $.fn.button = ( function( orig ) {
        return function() {
            if ( !this.length || ( this.length && this[ 0 ].tagName !== "INPUT" ) ||
                    ( this.length && this[ 0 ].tagName === "INPUT" && (
                        this.attr( "type" ) !== "checkbox" && this.attr( "type" ) !== "radio"
                    ) ) ) {
                return orig.apply( this, arguments );
            }
            if ( !$.ui.checkboxradio ) {
                $.error( "Checkboxradio widget missing" );
            }
            if ( arguments.length === 0 ) {
                return this.checkboxradio( {
                    "icon": false
                } );
            }
            return this.checkboxradio.apply( this, arguments );
        };
    } )( $.fn.button );

    $.fn.buttonset = function() {
        if ( !$.ui.controlgroup ) {
            $.error( "Controlgroup widget missing" );
        }
        if ( arguments[ 0 ] === "option" && arguments[ 1 ] === "items" && arguments[ 2 ] ) {
            return this.controlgroup.apply( this,
                [ arguments[ 0 ], "items.button", arguments[ 2 ] ] );
        }
        if ( arguments[ 0 ] === "option" && arguments[ 1 ] === "items" ) {
            return this.controlgroup.apply( this, [ arguments[ 0 ], "items.button" ] );
        }
        if ( typeof arguments[ 0 ] === "object" && arguments[ 0 ].items ) {
            arguments[ 0 ].items = {
                button: arguments[ 0 ].items
            };
        }
        return this.controlgroup.apply( this, arguments );
    };
}

var widgetsButton = $.ui.button;


// jscs:disable maximumLineLength
/* jscs:disable requireCamelCaseOrUpperCaseIdentifiers */
//>>label: Datepicker
//>>group: Widgets
//>>description: Displays a calendar from an input or inline for selecting dates.
//>>docs: http://api.jqueryui.com/datepicker/
//>>demos: http://jqueryui.com/datepicker/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/datepicker.css
//>>css.theme: ../../themes/base/theme.css



$.extend( $.ui, { datepicker: { version: "1.12.1" } } );

var datepicker_instActive;

function datepicker_getZindex( elem ) {
    var position, value;
    while ( elem.length && elem[ 0 ] !== document ) {

        // Ignore z-index if position is set to a value where z-index is ignored by the browser
        // This makes behavior of this function consistent across browsers
        // WebKit always returns auto if the element is positioned
        position = elem.css( "position" );
        if ( position === "absolute" || position === "relative" || position === "fixed" ) {

            // IE returns 0 when zIndex is not specified
            // other browsers return a string
            // we ignore the case of nested elements with an explicit value of 0
            // <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
            value = parseInt( elem.css( "zIndex" ), 10 );
            if ( !isNaN( value ) && value !== 0 ) {
                return value;
            }
        }
        elem = elem.parent();
    }

    return 0;
}
/* Date picker manager.
   Use the singleton instance of this class, $.datepicker, to interact with the date picker.
   Settings for (groups of) date pickers are maintained in an instance object,
   allowing multiple different settings on the same page. */

function Datepicker() {
    this._curInst = null; // The current instance in use
    this._keyEvent = false; // If the last event was a key event
    this._disabledInputs = []; // List of date picker inputs that have been disabled
    this._datepickerShowing = false; // True if the popup picker is showing , false if not
    this._inDialog = false; // True if showing within a "dialog", false if not
    this._mainDivId = "ui-datepicker-div"; // The ID of the main datepicker division
    this._inlineClass = "ui-datepicker-inline"; // The name of the inline marker class
    this._appendClass = "ui-datepicker-append"; // The name of the append marker class
    this._triggerClass = "ui-datepicker-trigger"; // The name of the trigger marker class
    this._dialogClass = "ui-datepicker-dialog"; // The name of the dialog marker class
    this._disableClass = "ui-datepicker-disabled"; // The name of the disabled covering marker class
    this._unselectableClass = "ui-datepicker-unselectable"; // The name of the unselectable cell marker class
    this._currentClass = "ui-datepicker-current-day"; // The name of the current day marker class
    this._dayOverClass = "ui-datepicker-days-cell-over"; // The name of the day hover marker class
    this.regional = []; // Available regional settings, indexed by language code
    this.regional[ "" ] = { // Default regional settings
        closeText: "Done", // Display text for close link
        prevText: "Prev", // Display text for previous month link
        nextText: "Next", // Display text for next month link
        currentText: "Today", // Display text for current month link
        monthNames: [ "January","February","March","April","May","June",
            "July","August","September","October","November","December" ], // Names of months for drop-down and formatting
        monthNamesShort: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ], // For formatting
        dayNames: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], // For formatting
        dayNamesShort: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], // For formatting
        dayNamesMin: [ "Su","Mo","Tu","We","Th","Fr","Sa" ], // Column headings for days starting at Sunday
        weekHeader: "Wk", // Column header for week of the year
        dateFormat: "mm/dd/yy", // See format options on parseDate
        firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
        isRTL: false, // True if right-to-left language, false if left-to-right
        showMonthAfterYear: false, // True if the year select precedes month, false for month then year
        yearSuffix: "" // Additional text to append to the year in the month headers
    };
    this._defaults = { // Global defaults for all the date picker instances
        showOn: "focus", // "focus" for popup on focus,
            // "button" for trigger button, or "both" for either
        showAnim: "fadeIn", // Name of jQuery animation for popup
        showOptions: {}, // Options for enhanced animations
        defaultDate: null, // Used when field is blank: actual date,
            // +/-number for offset from today, null for today
        appendText: "", // Display text following the input box, e.g. showing the format
        buttonText: "...", // Text for trigger button
        buttonImage: "", // URL for trigger button image
        buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
        hideIfNoPrevNext: false, // True to hide next/previous month links
            // if not applicable, false to just disable them
        navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
        gotoCurrent: false, // True if today link goes back to current selection instead
        changeMonth: false, // True if month can be selected directly, false if only prev/next
        changeYear: false, // True if year can be selected directly, false if only prev/next
        yearRange: "c-10:c+10", // Range of years to display in drop-down,
            // either relative to today's year (-nn:+nn), relative to currently displayed year
            // (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
        showOtherMonths: false, // True to show dates in other months, false to leave blank
        selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
        showWeek: false, // True to show week of the year, false to not show it
        calculateWeek: this.iso8601Week, // How to calculate the week of the year,
            // takes a Date and returns the number of the week for it
        shortYearCutoff: "+10", // Short year values < this are in the current century,
            // > this are in the previous century,
            // string value starting with "+" for current year + value
        minDate: null, // The earliest selectable date, or null for no limit
        maxDate: null, // The latest selectable date, or null for no limit
        duration: "fast", // Duration of display/closure
        beforeShowDay: null, // Function that takes a date and returns an array with
            // [0] = true if selectable, false if not, [1] = custom CSS class name(s) or "",
            // [2] = cell title (optional), e.g. $.datepicker.noWeekends
        beforeShow: null, // Function that takes an input field and
            // returns a set of custom settings for the date picker
        onSelect: null, // Define a callback function when a date is selected
        onChangeMonthYear: null, // Define a callback function when the month or year is changed
        onClose: null, // Define a callback function when the datepicker is closed
        numberOfMonths: 1, // Number of months to show at a time
        showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
        stepMonths: 1, // Number of months to step back/forward
        stepBigMonths: 12, // Number of months to step back/forward for the big links
        altField: "", // Selector for an alternate field to store selected dates into
        altFormat: "", // The date format to use for the alternate field
        constrainInput: true, // The input is constrained by the current date format
        showButtonPanel: false, // True to show button panel, false to not show it
        autoSize: false, // True to size the input for the date format, false to leave as is
        disabled: false // The initial disabled state
    };
    $.extend( this._defaults, this.regional[ "" ] );
    this.regional.en = $.extend( true, {}, this.regional[ "" ] );
    this.regional[ "en-US" ] = $.extend( true, {}, this.regional.en );
    this.dpDiv = datepicker_bindHover( $( "<div id='" + this._mainDivId + "' class='ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>" ) );
}

$.extend( Datepicker.prototype, {
    /* Class name added to elements to indicate already configured with a date picker. */
    markerClassName: "hasDatepicker",

    //Keep track of the maximum number of rows displayed (see #7043)
    maxRows: 4,

    // TODO rename to "widget" when switching to widget factory
    _widgetDatepicker: function() {
        return this.dpDiv;
    },

    /* Override the default settings for all instances of the date picker.
     * @param  settings  object - the new settings to use as defaults (anonymous object)
     * @return the manager object
     */
    setDefaults: function( settings ) {
        datepicker_extendRemove( this._defaults, settings || {} );
        return this;
    },

    /* Attach the date picker to a jQuery selection.
     * @param  target   element - the target input field or division or span
     * @param  settings  object - the new settings to use for this date picker instance (anonymous)
     */
    _attachDatepicker: function( target, settings ) {
        var nodeName, inline, inst;
        nodeName = target.nodeName.toLowerCase();
        inline = ( nodeName === "div" || nodeName === "span" );
        if ( !target.id ) {
            this.uuid += 1;
            target.id = "dp" + this.uuid;
        }
        inst = this._newInst( $( target ), inline );
        inst.settings = $.extend( {}, settings || {} );
        if ( nodeName === "input" ) {
            this._connectDatepicker( target, inst );
        } else if ( inline ) {
            this._inlineDatepicker( target, inst );
        }
    },

    /* Create a new instance object. */
    _newInst: function( target, inline ) {
        var id = target[ 0 ].id.replace( /([^A-Za-z0-9_\-])/g, "\\\\$1" ); // escape jQuery meta chars
        return { id: id, input: target, // associated target
            selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
            drawMonth: 0, drawYear: 0, // month being drawn
            inline: inline, // is datepicker inline or not
            dpDiv: ( !inline ? this.dpDiv : // presentation div
            datepicker_bindHover( $( "<div class='" + this._inlineClass + " ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>" ) ) ) };
    },

    /* Attach the date picker to an input field. */
    _connectDatepicker: function( target, inst ) {
        var input = $( target );
        inst.append = $( [] );
        inst.trigger = $( [] );
        if ( input.hasClass( this.markerClassName ) ) {
            return;
        }
        this._attachments( input, inst );
        input.addClass( this.markerClassName ).on( "keydown", this._doKeyDown ).
            on( "keypress", this._doKeyPress ).on( "keyup", this._doKeyUp );
        this._autoSize( inst );
        $.data( target, "datepicker", inst );

        //If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)
        if ( inst.settings.disabled ) {
            this._disableDatepicker( target );
        }
    },

    /* Make attachments based on settings. */
    _attachments: function( input, inst ) {
        var showOn, buttonText, buttonImage,
            appendText = this._get( inst, "appendText" ),
            isRTL = this._get( inst, "isRTL" );

        if ( inst.append ) {
            inst.append.remove();
        }
        if ( appendText ) {
            inst.append = $( "<span class='" + this._appendClass + "'>" + appendText + "</span>" );
            input[ isRTL ? "before" : "after" ]( inst.append );
        }

        input.off( "focus", this._showDatepicker );

        if ( inst.trigger ) {
            inst.trigger.remove();
        }

        showOn = this._get( inst, "showOn" );
        if ( showOn === "focus" || showOn === "both" ) { // pop-up date picker when in the marked field
            input.on( "focus", this._showDatepicker );
        }
        if ( showOn === "button" || showOn === "both" ) { // pop-up date picker when button clicked
            buttonText = this._get( inst, "buttonText" );
            buttonImage = this._get( inst, "buttonImage" );
            inst.trigger = $( this._get( inst, "buttonImageOnly" ) ?
                $( "<img/>" ).addClass( this._triggerClass ).
                    attr( { src: buttonImage, alt: buttonText, title: buttonText } ) :
                $( "<button type='button'></button>" ).addClass( this._triggerClass ).
                    html( !buttonImage ? buttonText : $( "<img/>" ).attr(
                    { src:buttonImage, alt:buttonText, title:buttonText } ) ) );
            input[ isRTL ? "before" : "after" ]( inst.trigger );
            inst.trigger.on( "click", function() {
                if ( $.datepicker._datepickerShowing && $.datepicker._lastInput === input[ 0 ] ) {
                    $.datepicker._hideDatepicker();
                } else if ( $.datepicker._datepickerShowing && $.datepicker._lastInput !== input[ 0 ] ) {
                    $.datepicker._hideDatepicker();
                    $.datepicker._showDatepicker( input[ 0 ] );
                } else {
                    $.datepicker._showDatepicker( input[ 0 ] );
                }
                return false;
            } );
        }
    },

    /* Apply the maximum length for the date format. */
    _autoSize: function( inst ) {
        if ( this._get( inst, "autoSize" ) && !inst.inline ) {
            var findMax, max, maxI, i,
                date = new Date( 2009, 12 - 1, 20 ), // Ensure double digits
                dateFormat = this._get( inst, "dateFormat" );

            if ( dateFormat.match( /[DM]/ ) ) {
                findMax = function( names ) {
                    max = 0;
                    maxI = 0;
                    for ( i = 0; i < names.length; i++ ) {
                        if ( names[ i ].length > max ) {
                            max = names[ i ].length;
                            maxI = i;
                        }
                    }
                    return maxI;
                };
                date.setMonth( findMax( this._get( inst, ( dateFormat.match( /MM/ ) ?
                    "monthNames" : "monthNamesShort" ) ) ) );
                date.setDate( findMax( this._get( inst, ( dateFormat.match( /DD/ ) ?
                    "dayNames" : "dayNamesShort" ) ) ) + 20 - date.getDay() );
            }
            inst.input.attr( "size", this._formatDate( inst, date ).length );
        }
    },

    /* Attach an inline date picker to a div. */
    _inlineDatepicker: function( target, inst ) {
        var divSpan = $( target );
        if ( divSpan.hasClass( this.markerClassName ) ) {
            return;
        }
        divSpan.addClass( this.markerClassName ).append( inst.dpDiv );
        $.data( target, "datepicker", inst );
        this._setDate( inst, this._getDefaultDate( inst ), true );
        this._updateDatepicker( inst );
        this._updateAlternate( inst );

        //If disabled option is true, disable the datepicker before showing it (see ticket #5665)
        if ( inst.settings.disabled ) {
            this._disableDatepicker( target );
        }

        // Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
        // http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
        inst.dpDiv.css( "display", "block" );
    },

    /* Pop-up the date picker in a "dialog" box.
     * @param  input element - ignored
     * @param  date string or Date - the initial date to display
     * @param  onSelect  function - the function to call when a date is selected
     * @param  settings  object - update the dialog date picker instance's settings (anonymous object)
     * @param  pos int[2] - coordinates for the dialog's position within the screen or
     *                  event - with x/y coordinates or
     *                  leave empty for default (screen centre)
     * @return the manager object
     */
    _dialogDatepicker: function( input, date, onSelect, settings, pos ) {
        var id, browserWidth, browserHeight, scrollX, scrollY,
            inst = this._dialogInst; // internal instance

        if ( !inst ) {
            this.uuid += 1;
            id = "dp" + this.uuid;
            this._dialogInput = $( "<input type='text' id='" + id +
                "' style='position: absolute; top: -100px; width: 0px;'/>" );
            this._dialogInput.on( "keydown", this._doKeyDown );
            $( "body" ).append( this._dialogInput );
            inst = this._dialogInst = this._newInst( this._dialogInput, false );
            inst.settings = {};
            $.data( this._dialogInput[ 0 ], "datepicker", inst );
        }
        datepicker_extendRemove( inst.settings, settings || {} );
        date = ( date && date.constructor === Date ? this._formatDate( inst, date ) : date );
        this._dialogInput.val( date );

        this._pos = ( pos ? ( pos.length ? pos : [ pos.pageX, pos.pageY ] ) : null );
        if ( !this._pos ) {
            browserWidth = document.documentElement.clientWidth;
            browserHeight = document.documentElement.clientHeight;
            scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
            scrollY = document.documentElement.scrollTop || document.body.scrollTop;
            this._pos = // should use actual width/height below
                [ ( browserWidth / 2 ) - 100 + scrollX, ( browserHeight / 2 ) - 150 + scrollY ];
        }

        // Move input on screen for focus, but hidden behind dialog
        this._dialogInput.css( "left", ( this._pos[ 0 ] + 20 ) + "px" ).css( "top", this._pos[ 1 ] + "px" );
        inst.settings.onSelect = onSelect;
        this._inDialog = true;
        this.dpDiv.addClass( this._dialogClass );
        this._showDatepicker( this._dialogInput[ 0 ] );
        if ( $.blockUI ) {
            $.blockUI( this.dpDiv );
        }
        $.data( this._dialogInput[ 0 ], "datepicker", inst );
        return this;
    },

    /* Detach a datepicker from its control.
     * @param  target   element - the target input field or division or span
     */
    _destroyDatepicker: function( target ) {
        var nodeName,
            $target = $( target ),
            inst = $.data( target, "datepicker" );

        if ( !$target.hasClass( this.markerClassName ) ) {
            return;
        }

        nodeName = target.nodeName.toLowerCase();
        $.removeData( target, "datepicker" );
        if ( nodeName === "input" ) {
            inst.append.remove();
            inst.trigger.remove();
            $target.removeClass( this.markerClassName ).
                off( "focus", this._showDatepicker ).
                off( "keydown", this._doKeyDown ).
                off( "keypress", this._doKeyPress ).
                off( "keyup", this._doKeyUp );
        } else if ( nodeName === "div" || nodeName === "span" ) {
            $target.removeClass( this.markerClassName ).empty();
        }

        if ( datepicker_instActive === inst ) {
            datepicker_instActive = null;
        }
    },

    /* Enable the date picker to a jQuery selection.
     * @param  target   element - the target input field or division or span
     */
    _enableDatepicker: function( target ) {
        var nodeName, inline,
            $target = $( target ),
            inst = $.data( target, "datepicker" );

        if ( !$target.hasClass( this.markerClassName ) ) {
            return;
        }

        nodeName = target.nodeName.toLowerCase();
        if ( nodeName === "input" ) {
            target.disabled = false;
            inst.trigger.filter( "button" ).
                each( function() { this.disabled = false; } ).end().
                filter( "img" ).css( { opacity: "1.0", cursor: "" } );
        } else if ( nodeName === "div" || nodeName === "span" ) {
            inline = $target.children( "." + this._inlineClass );
            inline.children().removeClass( "ui-state-disabled" );
            inline.find( "select.ui-datepicker-month, select.ui-datepicker-year" ).
                prop( "disabled", false );
        }
        this._disabledInputs = $.map( this._disabledInputs,
            function( value ) { return ( value === target ? null : value ); } ); // delete entry
    },

    /* Disable the date picker to a jQuery selection.
     * @param  target   element - the target input field or division or span
     */
    _disableDatepicker: function( target ) {
        var nodeName, inline,
            $target = $( target ),
            inst = $.data( target, "datepicker" );

        if ( !$target.hasClass( this.markerClassName ) ) {
            return;
        }

        nodeName = target.nodeName.toLowerCase();
        if ( nodeName === "input" ) {
            target.disabled = true;
            inst.trigger.filter( "button" ).
                each( function() { this.disabled = true; } ).end().
                filter( "img" ).css( { opacity: "0.5", cursor: "default" } );
        } else if ( nodeName === "div" || nodeName === "span" ) {
            inline = $target.children( "." + this._inlineClass );
            inline.children().addClass( "ui-state-disabled" );
            inline.find( "select.ui-datepicker-month, select.ui-datepicker-year" ).
                prop( "disabled", true );
        }
        this._disabledInputs = $.map( this._disabledInputs,
            function( value ) { return ( value === target ? null : value ); } ); // delete entry
        this._disabledInputs[ this._disabledInputs.length ] = target;
    },

    /* Is the first field in a jQuery collection disabled as a datepicker?
     * @param  target   element - the target input field or division or span
     * @return boolean - true if disabled, false if enabled
     */
    _isDisabledDatepicker: function( target ) {
        if ( !target ) {
            return false;
        }
        for ( var i = 0; i < this._disabledInputs.length; i++ ) {
            if ( this._disabledInputs[ i ] === target ) {
                return true;
            }
        }
        return false;
    },

    /* Retrieve the instance data for the target control.
     * @param  target  element - the target input field or division or span
     * @return  object - the associated instance data
     * @throws  error if a jQuery problem getting data
     */
    _getInst: function( target ) {
        try {
            return $.data( target, "datepicker" );
        }
        catch ( err ) {
            throw "Missing instance data for this datepicker";
        }
    },

    /* Update or retrieve the settings for a date picker attached to an input field or division.
     * @param  target  element - the target input field or division or span
     * @param  name object - the new settings to update or
     *              string - the name of the setting to change or retrieve,
     *              when retrieving also "all" for all instance settings or
     *              "defaults" for all global defaults
     * @param  value   any - the new value for the setting
     *              (omit if above is an object or to retrieve a value)
     */
    _optionDatepicker: function( target, name, value ) {
        var settings, date, minDate, maxDate,
            inst = this._getInst( target );

        if ( arguments.length === 2 && typeof name === "string" ) {
            return ( name === "defaults" ? $.extend( {}, $.datepicker._defaults ) :
                ( inst ? ( name === "all" ? $.extend( {}, inst.settings ) :
                this._get( inst, name ) ) : null ) );
        }

        settings = name || {};
        if ( typeof name === "string" ) {
            settings = {};
            settings[ name ] = value;
        }

        if ( inst ) {
            if ( this._curInst === inst ) {
                this._hideDatepicker();
            }

            date = this._getDateDatepicker( target, true );
            minDate = this._getMinMaxDate( inst, "min" );
            maxDate = this._getMinMaxDate( inst, "max" );
            datepicker_extendRemove( inst.settings, settings );

            // reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
            if ( minDate !== null && settings.dateFormat !== undefined && settings.minDate === undefined ) {
                inst.settings.minDate = this._formatDate( inst, minDate );
            }
            if ( maxDate !== null && settings.dateFormat !== undefined && settings.maxDate === undefined ) {
                inst.settings.maxDate = this._formatDate( inst, maxDate );
            }
            if ( "disabled" in settings ) {
                if ( settings.disabled ) {
                    this._disableDatepicker( target );
                } else {
                    this._enableDatepicker( target );
                }
            }
            this._attachments( $( target ), inst );
            this._autoSize( inst );
            this._setDate( inst, date );
            this._updateAlternate( inst );
            this._updateDatepicker( inst );
        }
    },

    // Change method deprecated
    _changeDatepicker: function( target, name, value ) {
        this._optionDatepicker( target, name, value );
    },

    /* Redraw the date picker attached to an input field or division.
     * @param  target  element - the target input field or division or span
     */
    _refreshDatepicker: function( target ) {
        var inst = this._getInst( target );
        if ( inst ) {
            this._updateDatepicker( inst );
        }
    },

    /* Set the dates for a jQuery selection.
     * @param  target element - the target input field or division or span
     * @param  date Date - the new date
     */
    _setDateDatepicker: function( target, date ) {
        var inst = this._getInst( target );
        if ( inst ) {
            this._setDate( inst, date );
            this._updateDatepicker( inst );
            this._updateAlternate( inst );
        }
    },

    /* Get the date(s) for the first entry in a jQuery selection.
     * @param  target element - the target input field or division or span
     * @param  noDefault boolean - true if no default date is to be used
     * @return Date - the current date
     */
    _getDateDatepicker: function( target, noDefault ) {
        var inst = this._getInst( target );
        if ( inst && !inst.inline ) {
            this._setDateFromField( inst, noDefault );
        }
        return ( inst ? this._getDate( inst ) : null );
    },

    /* Handle keystrokes. */
    _doKeyDown: function( event ) {
        var onSelect, dateStr, sel,
            inst = $.datepicker._getInst( event.target ),
            handled = true,
            isRTL = inst.dpDiv.is( ".ui-datepicker-rtl" );

        inst._keyEvent = true;
        if ( $.datepicker._datepickerShowing ) {
            switch ( event.keyCode ) {
                case 9: $.datepicker._hideDatepicker();
                        handled = false;
                        break; // hide on tab out
                case 13: sel = $( "td." + $.datepicker._dayOverClass + ":not(." +
                                    $.datepicker._currentClass + ")", inst.dpDiv );
                        if ( sel[ 0 ] ) {
                            $.datepicker._selectDay( event.target, inst.selectedMonth, inst.selectedYear, sel[ 0 ] );
                        }

                        onSelect = $.datepicker._get( inst, "onSelect" );
                        if ( onSelect ) {
                            dateStr = $.datepicker._formatDate( inst );

                            // Trigger custom callback
                            onSelect.apply( ( inst.input ? inst.input[ 0 ] : null ), [ dateStr, inst ] );
                        } else {
                            $.datepicker._hideDatepicker();
                        }

                        return false; // don't submit the form
                case 27: $.datepicker._hideDatepicker();
                        break; // hide on escape
                case 33: $.datepicker._adjustDate( event.target, ( event.ctrlKey ?
                            -$.datepicker._get( inst, "stepBigMonths" ) :
                            -$.datepicker._get( inst, "stepMonths" ) ), "M" );
                        break; // previous month/year on page up/+ ctrl
                case 34: $.datepicker._adjustDate( event.target, ( event.ctrlKey ?
                            +$.datepicker._get( inst, "stepBigMonths" ) :
                            +$.datepicker._get( inst, "stepMonths" ) ), "M" );
                        break; // next month/year on page down/+ ctrl
                case 35: if ( event.ctrlKey || event.metaKey ) {
                            $.datepicker._clearDate( event.target );
                        }
                        handled = event.ctrlKey || event.metaKey;
                        break; // clear on ctrl or command +end
                case 36: if ( event.ctrlKey || event.metaKey ) {
                            $.datepicker._gotoToday( event.target );
                        }
                        handled = event.ctrlKey || event.metaKey;
                        break; // current on ctrl or command +home
                case 37: if ( event.ctrlKey || event.metaKey ) {
                            $.datepicker._adjustDate( event.target, ( isRTL ? +1 : -1 ), "D" );
                        }
                        handled = event.ctrlKey || event.metaKey;

                        // -1 day on ctrl or command +left
                        if ( event.originalEvent.altKey ) {
                            $.datepicker._adjustDate( event.target, ( event.ctrlKey ?
                                -$.datepicker._get( inst, "stepBigMonths" ) :
                                -$.datepicker._get( inst, "stepMonths" ) ), "M" );
                        }

                        // next month/year on alt +left on Mac
                        break;
                case 38: if ( event.ctrlKey || event.metaKey ) {
                            $.datepicker._adjustDate( event.target, -7, "D" );
                        }
                        handled = event.ctrlKey || event.metaKey;
                        break; // -1 week on ctrl or command +up
                case 39: if ( event.ctrlKey || event.metaKey ) {
                            $.datepicker._adjustDate( event.target, ( isRTL ? -1 : +1 ), "D" );
                        }
                        handled = event.ctrlKey || event.metaKey;

                        // +1 day on ctrl or command +right
                        if ( event.originalEvent.altKey ) {
                            $.datepicker._adjustDate( event.target, ( event.ctrlKey ?
                                +$.datepicker._get( inst, "stepBigMonths" ) :
                                +$.datepicker._get( inst, "stepMonths" ) ), "M" );
                        }

                        // next month/year on alt +right
                        break;
                case 40: if ( event.ctrlKey || event.metaKey ) {
                            $.datepicker._adjustDate( event.target, +7, "D" );
                        }
                        handled = event.ctrlKey || event.metaKey;
                        break; // +1 week on ctrl or command +down
                default: handled = false;
            }
        } else if ( event.keyCode === 36 && event.ctrlKey ) { // display the date picker on ctrl+home
            $.datepicker._showDatepicker( this );
        } else {
            handled = false;
        }

        if ( handled ) {
            event.preventDefault();
            event.stopPropagation();
        }
    },

    /* Filter entered characters - based on date format. */
    _doKeyPress: function( event ) {
        var chars, chr,
            inst = $.datepicker._getInst( event.target );

        if ( $.datepicker._get( inst, "constrainInput" ) ) {
            chars = $.datepicker._possibleChars( $.datepicker._get( inst, "dateFormat" ) );
            chr = String.fromCharCode( event.charCode == null ? event.keyCode : event.charCode );
            return event.ctrlKey || event.metaKey || ( chr < " " || !chars || chars.indexOf( chr ) > -1 );
        }
    },

    /* Synchronise manual entry and field/alternate field. */
    _doKeyUp: function( event ) {
        var date,
            inst = $.datepicker._getInst( event.target );

        if ( inst.input.val() !== inst.lastVal ) {
            try {
                date = $.datepicker.parseDate( $.datepicker._get( inst, "dateFormat" ),
                    ( inst.input ? inst.input.val() : null ),
                    $.datepicker._getFormatConfig( inst ) );

                if ( date ) { // only if valid
                    $.datepicker._setDateFromField( inst );
                    $.datepicker._updateAlternate( inst );
                    $.datepicker._updateDatepicker( inst );
                }
            }
            catch ( err ) {
            }
        }
        return true;
    },

    /* Pop-up the date picker for a given input field.
     * If false returned from beforeShow event handler do not show.
     * @param  input  element - the input field attached to the date picker or
     *                  event - if triggered by focus
     */
    _showDatepicker: function( input ) {
        input = input.target || input;
        if ( input.nodeName.toLowerCase() !== "input" ) { // find from button/image trigger
            input = $( "input", input.parentNode )[ 0 ];
        }

        if ( $.datepicker._isDisabledDatepicker( input ) || $.datepicker._lastInput === input ) { // already here
            return;
        }

        var inst, beforeShow, beforeShowSettings, isFixed,
            offset, showAnim, duration;

        inst = $.datepicker._getInst( input );
        if ( $.datepicker._curInst && $.datepicker._curInst !== inst ) {
            $.datepicker._curInst.dpDiv.stop( true, true );
            if ( inst && $.datepicker._datepickerShowing ) {
                $.datepicker._hideDatepicker( $.datepicker._curInst.input[ 0 ] );
            }
        }

        beforeShow = $.datepicker._get( inst, "beforeShow" );
        beforeShowSettings = beforeShow ? beforeShow.apply( input, [ input, inst ] ) : {};
        if ( beforeShowSettings === false ) {
            return;
        }
        datepicker_extendRemove( inst.settings, beforeShowSettings );

        inst.lastVal = null;
        $.datepicker._lastInput = input;
        $.datepicker._setDateFromField( inst );

        if ( $.datepicker._inDialog ) { // hide cursor
            input.value = "";
        }
        if ( !$.datepicker._pos ) { // position below input
            $.datepicker._pos = $.datepicker._findPos( input );
            $.datepicker._pos[ 1 ] += input.offsetHeight; // add the height
        }

        isFixed = false;
        $( input ).parents().each( function() {
            isFixed |= $( this ).css( "position" ) === "fixed";
            return !isFixed;
        } );

        offset = { left: $.datepicker._pos[ 0 ], top: $.datepicker._pos[ 1 ] };
        $.datepicker._pos = null;

        //to avoid flashes on Firefox
        inst.dpDiv.empty();

        // determine sizing offscreen
        inst.dpDiv.css( { position: "absolute", display: "block", top: "-1000px" } );
        $.datepicker._updateDatepicker( inst );

        // fix width for dynamic number of date pickers
        // and adjust position before showing
        offset = $.datepicker._checkOffset( inst, offset, isFixed );
        inst.dpDiv.css( { position: ( $.datepicker._inDialog && $.blockUI ?
            "static" : ( isFixed ? "fixed" : "absolute" ) ), display: "none",
            left: offset.left + "px", top: offset.top + "px" } );

        if ( !inst.inline ) {
            showAnim = $.datepicker._get( inst, "showAnim" );
            duration = $.datepicker._get( inst, "duration" );
            inst.dpDiv.css( "z-index", datepicker_getZindex( $( input ) ) + 1 );
            $.datepicker._datepickerShowing = true;

            if ( $.effects && $.effects.effect[ showAnim ] ) {
                inst.dpDiv.show( showAnim, $.datepicker._get( inst, "showOptions" ), duration );
            } else {
                inst.dpDiv[ showAnim || "show" ]( showAnim ? duration : null );
            }

            if ( $.datepicker._shouldFocusInput( inst ) ) {
                inst.input.trigger( "focus" );
            }

            $.datepicker._curInst = inst;
        }
    },

    /* Generate the date picker content. */
    _updateDatepicker: function( inst ) {
        this.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
        datepicker_instActive = inst; // for delegate hover events
        inst.dpDiv.empty().append( this._generateHTML( inst ) );
        this._attachHandlers( inst );

        var origyearshtml,
            numMonths = this._getNumberOfMonths( inst ),
            cols = numMonths[ 1 ],
            width = 17,
            activeCell = inst.dpDiv.find( "." + this._dayOverClass + " a" );

        if ( activeCell.length > 0 ) {
            datepicker_handleMouseover.apply( activeCell.get( 0 ) );
        }

        inst.dpDiv.removeClass( "ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4" ).width( "" );
        if ( cols > 1 ) {
            inst.dpDiv.addClass( "ui-datepicker-multi-" + cols ).css( "width", ( width * cols ) + "em" );
        }
        inst.dpDiv[ ( numMonths[ 0 ] !== 1 || numMonths[ 1 ] !== 1 ? "add" : "remove" ) +
            "Class" ]( "ui-datepicker-multi" );
        inst.dpDiv[ ( this._get( inst, "isRTL" ) ? "add" : "remove" ) +
            "Class" ]( "ui-datepicker-rtl" );

        if ( inst === $.datepicker._curInst && $.datepicker._datepickerShowing && $.datepicker._shouldFocusInput( inst ) ) {
            inst.input.trigger( "focus" );
        }

        // Deffered render of the years select (to avoid flashes on Firefox)
        if ( inst.yearshtml ) {
            origyearshtml = inst.yearshtml;
            setTimeout( function() {

                //assure that inst.yearshtml didn't change.
                if ( origyearshtml === inst.yearshtml && inst.yearshtml ) {
                    inst.dpDiv.find( "select.ui-datepicker-year:first" ).replaceWith( inst.yearshtml );
                }
                origyearshtml = inst.yearshtml = null;
            }, 0 );
        }
    },

    // #6694 - don't focus the input if it's already focused
    // this breaks the change event in IE
    // Support: IE and jQuery <1.9
    _shouldFocusInput: function( inst ) {
        return inst.input && inst.input.is( ":visible" ) && !inst.input.is( ":disabled" ) && !inst.input.is( ":focus" );
    },

    /* Check positioning to remain on screen. */
    _checkOffset: function( inst, offset, isFixed ) {
        var dpWidth = inst.dpDiv.outerWidth(),
            dpHeight = inst.dpDiv.outerHeight(),
            inputWidth = inst.input ? inst.input.outerWidth() : 0,
            inputHeight = inst.input ? inst.input.outerHeight() : 0,
            viewWidth = document.documentElement.clientWidth + ( isFixed ? 0 : $( document ).scrollLeft() ),
            viewHeight = document.documentElement.clientHeight + ( isFixed ? 0 : $( document ).scrollTop() );

        offset.left -= ( this._get( inst, "isRTL" ) ? ( dpWidth - inputWidth ) : 0 );
        offset.left -= ( isFixed && offset.left === inst.input.offset().left ) ? $( document ).scrollLeft() : 0;
        offset.top -= ( isFixed && offset.top === ( inst.input.offset().top + inputHeight ) ) ? $( document ).scrollTop() : 0;

        // Now check if datepicker is showing outside window viewport - move to a better place if so.
        offset.left -= Math.min( offset.left, ( offset.left + dpWidth > viewWidth && viewWidth > dpWidth ) ?
            Math.abs( offset.left + dpWidth - viewWidth ) : 0 );
        offset.top -= Math.min( offset.top, ( offset.top + dpHeight > viewHeight && viewHeight > dpHeight ) ?
            Math.abs( dpHeight + inputHeight ) : 0 );

        return offset;
    },

    /* Find an object's position on the screen. */
    _findPos: function( obj ) {
        var position,
            inst = this._getInst( obj ),
            isRTL = this._get( inst, "isRTL" );

        while ( obj && ( obj.type === "hidden" || obj.nodeType !== 1 || $.expr.filters.hidden( obj ) ) ) {
            obj = obj[ isRTL ? "previousSibling" : "nextSibling" ];
        }

        position = $( obj ).offset();
        return [ position.left, position.top ];
    },

    /* Hide the date picker from view.
     * @param  input  element - the input field attached to the date picker
     */
    _hideDatepicker: function( input ) {
        var showAnim, duration, postProcess, onClose,
            inst = this._curInst;

        if ( !inst || ( input && inst !== $.data( input, "datepicker" ) ) ) {
            return;
        }

        if ( this._datepickerShowing ) {
            showAnim = this._get( inst, "showAnim" );
            duration = this._get( inst, "duration" );
            postProcess = function() {
                $.datepicker._tidyDialog( inst );
            };

            // DEPRECATED: after BC for 1.8.x $.effects[ showAnim ] is not needed
            if ( $.effects && ( $.effects.effect[ showAnim ] || $.effects[ showAnim ] ) ) {
                inst.dpDiv.hide( showAnim, $.datepicker._get( inst, "showOptions" ), duration, postProcess );
            } else {
                inst.dpDiv[ ( showAnim === "slideDown" ? "slideUp" :
                    ( showAnim === "fadeIn" ? "fadeOut" : "hide" ) ) ]( ( showAnim ? duration : null ), postProcess );
            }

            if ( !showAnim ) {
                postProcess();
            }
            this._datepickerShowing = false;

            onClose = this._get( inst, "onClose" );
            if ( onClose ) {
                onClose.apply( ( inst.input ? inst.input[ 0 ] : null ), [ ( inst.input ? inst.input.val() : "" ), inst ] );
            }

            this._lastInput = null;
            if ( this._inDialog ) {
                this._dialogInput.css( { position: "absolute", left: "0", top: "-100px" } );
                if ( $.blockUI ) {
                    $.unblockUI();
                    $( "body" ).append( this.dpDiv );
                }
            }
            this._inDialog = false;
        }
    },

    /* Tidy up after a dialog display. */
    _tidyDialog: function( inst ) {
        inst.dpDiv.removeClass( this._dialogClass ).off( ".ui-datepicker-calendar" );
    },

    /* Close date picker if clicked elsewhere. */
    _checkExternalClick: function( event ) {
        if ( !$.datepicker._curInst ) {
            return;
        }

        var $target = $( event.target ),
            inst = $.datepicker._getInst( $target[ 0 ] );

        if ( ( ( $target[ 0 ].id !== $.datepicker._mainDivId &&
                $target.parents( "#" + $.datepicker._mainDivId ).length === 0 &&
                !$target.hasClass( $.datepicker.markerClassName ) &&
                !$target.closest( "." + $.datepicker._triggerClass ).length &&
                $.datepicker._datepickerShowing && !( $.datepicker._inDialog && $.blockUI ) ) ) ||
            ( $target.hasClass( $.datepicker.markerClassName ) && $.datepicker._curInst !== inst ) ) {
                $.datepicker._hideDatepicker();
        }
    },

    /* Adjust one of the date sub-fields. */
    _adjustDate: function( id, offset, period ) {
        var target = $( id ),
            inst = this._getInst( target[ 0 ] );

        if ( this._isDisabledDatepicker( target[ 0 ] ) ) {
            return;
        }
        this._adjustInstDate( inst, offset +
            ( period === "M" ? this._get( inst, "showCurrentAtPos" ) : 0 ), // undo positioning
            period );
        this._updateDatepicker( inst );
    },

    /* Action for current link. */
    _gotoToday: function( id ) {
        var date,
            target = $( id ),
            inst = this._getInst( target[ 0 ] );

        if ( this._get( inst, "gotoCurrent" ) && inst.currentDay ) {
            inst.selectedDay = inst.currentDay;
            inst.drawMonth = inst.selectedMonth = inst.currentMonth;
            inst.drawYear = inst.selectedYear = inst.currentYear;
        } else {
            date = new Date();
            inst.selectedDay = date.getDate();
            inst.drawMonth = inst.selectedMonth = date.getMonth();
            inst.drawYear = inst.selectedYear = date.getFullYear();
        }
        this._notifyChange( inst );
        this._adjustDate( target );
    },

    /* Action for selecting a new month/year. */
    _selectMonthYear: function( id, select, period ) {
        var target = $( id ),
            inst = this._getInst( target[ 0 ] );

        inst[ "selected" + ( period === "M" ? "Month" : "Year" ) ] =
        inst[ "draw" + ( period === "M" ? "Month" : "Year" ) ] =
            parseInt( select.options[ select.selectedIndex ].value, 10 );

        this._notifyChange( inst );
        this._adjustDate( target );
    },

    /* Action for selecting a day. */
    _selectDay: function( id, month, year, td ) {
        var inst,
            target = $( id );

        if ( $( td ).hasClass( this._unselectableClass ) || this._isDisabledDatepicker( target[ 0 ] ) ) {
            return;
        }

        inst = this._getInst( target[ 0 ] );
        inst.selectedDay = inst.currentDay = $( "a", td ).html();
        inst.selectedMonth = inst.currentMonth = month;
        inst.selectedYear = inst.currentYear = year;
        this._selectDate( id, this._formatDate( inst,
            inst.currentDay, inst.currentMonth, inst.currentYear ) );
    },

    /* Erase the input field and hide the date picker. */
    _clearDate: function( id ) {
        var target = $( id );
        this._selectDate( target, "" );
    },

    /* Update the input field with the selected date. */
    _selectDate: function( id, dateStr ) {
        var onSelect,
            target = $( id ),
            inst = this._getInst( target[ 0 ] );

        dateStr = ( dateStr != null ? dateStr : this._formatDate( inst ) );
        if ( inst.input ) {
            inst.input.val( dateStr );
        }
        this._updateAlternate( inst );

        onSelect = this._get( inst, "onSelect" );
        if ( onSelect ) {
            onSelect.apply( ( inst.input ? inst.input[ 0 ] : null ), [ dateStr, inst ] );  // trigger custom callback
        } else if ( inst.input ) {
            inst.input.trigger( "change" ); // fire the change event
        }

        if ( inst.inline ) {
            this._updateDatepicker( inst );
        } else {
            this._hideDatepicker();
            this._lastInput = inst.input[ 0 ];
            if ( typeof( inst.input[ 0 ] ) !== "object" ) {
                inst.input.trigger( "focus" ); // restore focus
            }
            this._lastInput = null;
        }
    },

    /* Update any alternate field to synchronise with the main field. */
    _updateAlternate: function( inst ) {
        var altFormat, date, dateStr,
            altField = this._get( inst, "altField" );

        if ( altField ) { // update alternate field too
            altFormat = this._get( inst, "altFormat" ) || this._get( inst, "dateFormat" );
            date = this._getDate( inst );
            dateStr = this.formatDate( altFormat, date, this._getFormatConfig( inst ) );
            $( altField ).val( dateStr );
        }
    },

    /* Set as beforeShowDay function to prevent selection of weekends.
     * @param  date  Date - the date to customise
     * @return [boolean, string] - is this date selectable?, what is its CSS class?
     */
    noWeekends: function( date ) {
        var day = date.getDay();
        return [ ( day > 0 && day < 6 ), "" ];
    },

    /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
     * @param  date  Date - the date to get the week for
     * @return  number - the number of the week within the year that contains this date
     */
    iso8601Week: function( date ) {
        var time,
            checkDate = new Date( date.getTime() );

        // Find Thursday of this week starting on Monday
        checkDate.setDate( checkDate.getDate() + 4 - ( checkDate.getDay() || 7 ) );

        time = checkDate.getTime();
        checkDate.setMonth( 0 ); // Compare with Jan 1
        checkDate.setDate( 1 );
        return Math.floor( Math.round( ( time - checkDate ) / 86400000 ) / 7 ) + 1;
    },

    /* Parse a string value into a date object.
     * See formatDate below for the possible formats.
     *
     * @param  format string - the expected format of the date
     * @param  value string - the date in the above format
     * @param  settings Object - attributes include:
     *                  shortYearCutoff  number - the cutoff year for determining the century (optional)
     *                  dayNamesShort   string[7] - abbreviated names of the days from Sunday (optional)
     *                  dayNames        string[7] - names of the days from Sunday (optional)
     *                  monthNamesShort string[12] - abbreviated names of the months (optional)
     *                  monthNames      string[12] - names of the months (optional)
     * @return  Date - the extracted date value or null if value is blank
     */
    parseDate: function( format, value, settings ) {
        if ( format == null || value == null ) {
            throw "Invalid arguments";
        }

        value = ( typeof value === "object" ? value.toString() : value + "" );
        if ( value === "" ) {
            return null;
        }

        var iFormat, dim, extra,
            iValue = 0,
            shortYearCutoffTemp = ( settings ? settings.shortYearCutoff : null ) || this._defaults.shortYearCutoff,
            shortYearCutoff = ( typeof shortYearCutoffTemp !== "string" ? shortYearCutoffTemp :
                new Date().getFullYear() % 100 + parseInt( shortYearCutoffTemp, 10 ) ),
            dayNamesShort = ( settings ? settings.dayNamesShort : null ) || this._defaults.dayNamesShort,
            dayNames = ( settings ? settings.dayNames : null ) || this._defaults.dayNames,
            monthNamesShort = ( settings ? settings.monthNamesShort : null ) || this._defaults.monthNamesShort,
            monthNames = ( settings ? settings.monthNames : null ) || this._defaults.monthNames,
            year = -1,
            month = -1,
            day = -1,
            doy = -1,
            literal = false,
            date,

            // Check whether a format character is doubled
            lookAhead = function( match ) {
                var matches = ( iFormat + 1 < format.length && format.charAt( iFormat + 1 ) === match );
                if ( matches ) {
                    iFormat++;
                }
                return matches;
            },

            // Extract a number from the string value
            getNumber = function( match ) {
                var isDoubled = lookAhead( match ),
                    size = ( match === "@" ? 14 : ( match === "!" ? 20 :
                    ( match === "y" && isDoubled ? 4 : ( match === "o" ? 3 : 2 ) ) ) ),
                    minSize = ( match === "y" ? size : 1 ),
                    digits = new RegExp( "^\\d{" + minSize + "," + size + "}" ),
                    num = value.substring( iValue ).match( digits );
                if ( !num ) {
                    throw "Missing number at position " + iValue;
                }
                iValue += num[ 0 ].length;
                return parseInt( num[ 0 ], 10 );
            },

            // Extract a name from the string value and convert to an index
            getName = function( match, shortNames, longNames ) {
                var index = -1,
                    names = $.map( lookAhead( match ) ? longNames : shortNames, function( v, k ) {
                        return [ [ k, v ] ];
                    } ).sort( function( a, b ) {
                        return -( a[ 1 ].length - b[ 1 ].length );
                    } );

                $.each( names, function( i, pair ) {
                    var name = pair[ 1 ];
                    if ( value.substr( iValue, name.length ).toLowerCase() === name.toLowerCase() ) {
                        index = pair[ 0 ];
                        iValue += name.length;
                        return false;
                    }
                } );
                if ( index !== -1 ) {
                    return index + 1;
                } else {
                    throw "Unknown name at position " + iValue;
                }
            },

            // Confirm that a literal character matches the string value
            checkLiteral = function() {
                if ( value.charAt( iValue ) !== format.charAt( iFormat ) ) {
                    throw "Unexpected literal at position " + iValue;
                }
                iValue++;
            };

        for ( iFormat = 0; iFormat < format.length; iFormat++ ) {
            if ( literal ) {
                if ( format.charAt( iFormat ) === "'" && !lookAhead( "'" ) ) {
                    literal = false;
                } else {
                    checkLiteral();
                }
            } else {
                switch ( format.charAt( iFormat ) ) {
                    case "d":
                        day = getNumber( "d" );
                        break;
                    case "D":
                        getName( "D", dayNamesShort, dayNames );
                        break;
                    case "o":
                        doy = getNumber( "o" );
                        break;
                    case "m":
                        month = getNumber( "m" );
                        break;
                    case "M":
                        month = getName( "M", monthNamesShort, monthNames );
                        break;
                    case "y":
                        year = getNumber( "y" );
                        break;
                    case "@":
                        date = new Date( getNumber( "@" ) );
                        year = date.getFullYear();
                        month = date.getMonth() + 1;
                        day = date.getDate();
                        break;
                    case "!":
                        date = new Date( ( getNumber( "!" ) - this._ticksTo1970 ) / 10000 );
                        year = date.getFullYear();
                        month = date.getMonth() + 1;
                        day = date.getDate();
                        break;
                    case "'":
                        if ( lookAhead( "'" ) ) {
                            checkLiteral();
                        } else {
                            literal = true;
                        }
                        break;
                    default:
                        checkLiteral();
                }
            }
        }

        if ( iValue < value.length ) {
            extra = value.substr( iValue );
            if ( !/^\s+/.test( extra ) ) {
                throw "Extra/unparsed characters found in date: " + extra;
            }
        }

        if ( year === -1 ) {
            year = new Date().getFullYear();
        } else if ( year < 100 ) {
            year += new Date().getFullYear() - new Date().getFullYear() % 100 +
                ( year <= shortYearCutoff ? 0 : -100 );
        }

        if ( doy > -1 ) {
            month = 1;
            day = doy;
            do {
                dim = this._getDaysInMonth( year, month - 1 );
                if ( day <= dim ) {
                    break;
                }
                month++;
                day -= dim;
            } while ( true );
        }

        date = this._daylightSavingAdjust( new Date( year, month - 1, day ) );
        if ( date.getFullYear() !== year || date.getMonth() + 1 !== month || date.getDate() !== day ) {
            throw "Invalid date"; // E.g. 31/02/00
        }
        return date;
    },

    /* Standard date formats. */
    ATOM: "yy-mm-dd", // RFC 3339 (ISO 8601)
    COOKIE: "D, dd M yy",
    ISO_8601: "yy-mm-dd",
    RFC_822: "D, d M y",
    RFC_850: "DD, dd-M-y",
    RFC_1036: "D, d M y",
    RFC_1123: "D, d M yy",
    RFC_2822: "D, d M yy",
    RSS: "D, d M y", // RFC 822
    TICKS: "!",
    TIMESTAMP: "@",
    W3C: "yy-mm-dd", // ISO 8601

    _ticksTo1970: ( ( ( 1970 - 1 ) * 365 + Math.floor( 1970 / 4 ) - Math.floor( 1970 / 100 ) +
        Math.floor( 1970 / 400 ) ) * 24 * 60 * 60 * 10000000 ),

    /* Format a date object into a string value.
     * The format can be combinations of the following:
     * d  - day of month (no leading zero)
     * dd - day of month (two digit)
     * o  - day of year (no leading zeros)
     * oo - day of year (three digit)
     * D  - day name short
     * DD - day name long
     * m  - month of year (no leading zero)
     * mm - month of year (two digit)
     * M  - month name short
     * MM - month name long
     * y  - year (two digit)
     * yy - year (four digit)
     * @ - Unix timestamp (ms since 01/01/1970)
     * ! - Windows ticks (100ns since 01/01/0001)
     * "..." - literal text
     * '' - single quote
     *
     * @param  format string - the desired format of the date
     * @param  date Date - the date value to format
     * @param  settings Object - attributes include:
     *                  dayNamesShort   string[7] - abbreviated names of the days from Sunday (optional)
     *                  dayNames        string[7] - names of the days from Sunday (optional)
     *                  monthNamesShort string[12] - abbreviated names of the months (optional)
     *                  monthNames      string[12] - names of the months (optional)
     * @return  string - the date in the above format
     */
    formatDate: function( format, date, settings ) {
        if ( !date ) {
            return "";
        }

        var iFormat,
            dayNamesShort = ( settings ? settings.dayNamesShort : null ) || this._defaults.dayNamesShort,
            dayNames = ( settings ? settings.dayNames : null ) || this._defaults.dayNames,
            monthNamesShort = ( settings ? settings.monthNamesShort : null ) || this._defaults.monthNamesShort,
            monthNames = ( settings ? settings.monthNames : null ) || this._defaults.monthNames,

            // Check whether a format character is doubled
            lookAhead = function( match ) {
                var matches = ( iFormat + 1 < format.length && format.charAt( iFormat + 1 ) === match );
                if ( matches ) {
                    iFormat++;
                }
                return matches;
            },

            // Format a number, with leading zero if necessary
            formatNumber = function( match, value, len ) {
                var num = "" + value;
                if ( lookAhead( match ) ) {
                    while ( num.length < len ) {
                        num = "0" + num;
                    }
                }
                return num;
            },

            // Format a name, short or long as requested
            formatName = function( match, value, shortNames, longNames ) {
                return ( lookAhead( match ) ? longNames[ value ] : shortNames[ value ] );
            },
            output = "",
            literal = false;

        if ( date ) {
            for ( iFormat = 0; iFormat < format.length; iFormat++ ) {
                if ( literal ) {
                    if ( format.charAt( iFormat ) === "'" && !lookAhead( "'" ) ) {
                        literal = false;
                    } else {
                        output += format.charAt( iFormat );
                    }
                } else {
                    switch ( format.charAt( iFormat ) ) {
                        case "d":
                            output += formatNumber( "d", date.getDate(), 2 );
                            break;
                        case "D":
                            output += formatName( "D", date.getDay(), dayNamesShort, dayNames );
                            break;
                        case "o":
                            output += formatNumber( "o",
                                Math.round( ( new Date( date.getFullYear(), date.getMonth(), date.getDate() ).getTime() - new Date( date.getFullYear(), 0, 0 ).getTime() ) / 86400000 ), 3 );
                            break;
                        case "m":
                            output += formatNumber( "m", date.getMonth() + 1, 2 );
                            break;
                        case "M":
                            output += formatName( "M", date.getMonth(), monthNamesShort, monthNames );
                            break;
                        case "y":
                            output += ( lookAhead( "y" ) ? date.getFullYear() :
                                ( date.getFullYear() % 100 < 10 ? "0" : "" ) + date.getFullYear() % 100 );
                            break;
                        case "@":
                            output += date.getTime();
                            break;
                        case "!":
                            output += date.getTime() * 10000 + this._ticksTo1970;
                            break;
                        case "'":
                            if ( lookAhead( "'" ) ) {
                                output += "'";
                            } else {
                                literal = true;
                            }
                            break;
                        default:
                            output += format.charAt( iFormat );
                    }
                }
            }
        }
        return output;
    },

    /* Extract all possible characters from the date format. */
    _possibleChars: function( format ) {
        var iFormat,
            chars = "",
            literal = false,

            // Check whether a format character is doubled
            lookAhead = function( match ) {
                var matches = ( iFormat + 1 < format.length && format.charAt( iFormat + 1 ) === match );
                if ( matches ) {
                    iFormat++;
                }
                return matches;
            };

        for ( iFormat = 0; iFormat < format.length; iFormat++ ) {
            if ( literal ) {
                if ( format.charAt( iFormat ) === "'" && !lookAhead( "'" ) ) {
                    literal = false;
                } else {
                    chars += format.charAt( iFormat );
                }
            } else {
                switch ( format.charAt( iFormat ) ) {
                    case "d": case "m": case "y": case "@":
                        chars += "0123456789";
                        break;
                    case "D": case "M":
                        return null; // Accept anything
                    case "'":
                        if ( lookAhead( "'" ) ) {
                            chars += "'";
                        } else {
                            literal = true;
                        }
                        break;
                    default:
                        chars += format.charAt( iFormat );
                }
            }
        }
        return chars;
    },

    /* Get a setting value, defaulting if necessary. */
    _get: function( inst, name ) {
        return inst.settings[ name ] !== undefined ?
            inst.settings[ name ] : this._defaults[ name ];
    },

    /* Parse existing date and initialise date picker. */
    _setDateFromField: function( inst, noDefault ) {
        if ( inst.input.val() === inst.lastVal ) {
            return;
        }

        var dateFormat = this._get( inst, "dateFormat" ),
            dates = inst.lastVal = inst.input ? inst.input.val() : null,
            defaultDate = this._getDefaultDate( inst ),
            date = defaultDate,
            settings = this._getFormatConfig( inst );

        try {
            date = this.parseDate( dateFormat, dates, settings ) || defaultDate;
        } catch ( event ) {
            dates = ( noDefault ? "" : dates );
        }
        inst.selectedDay = date.getDate();
        inst.drawMonth = inst.selectedMonth = date.getMonth();
        inst.drawYear = inst.selectedYear = date.getFullYear();
        inst.currentDay = ( dates ? date.getDate() : 0 );
        inst.currentMonth = ( dates ? date.getMonth() : 0 );
        inst.currentYear = ( dates ? date.getFullYear() : 0 );
        this._adjustInstDate( inst );
    },

    /* Retrieve the default date shown on opening. */
    _getDefaultDate: function( inst ) {
        return this._restrictMinMax( inst,
            this._determineDate( inst, this._get( inst, "defaultDate" ), new Date() ) );
    },

    /* A date may be specified as an exact value or a relative one. */
    _determineDate: function( inst, date, defaultDate ) {
        var offsetNumeric = function( offset ) {
                var date = new Date();
                date.setDate( date.getDate() + offset );
                return date;
            },
            offsetString = function( offset ) {
                try {
                    return $.datepicker.parseDate( $.datepicker._get( inst, "dateFormat" ),
                        offset, $.datepicker._getFormatConfig( inst ) );
                }
                catch ( e ) {

                    // Ignore
                }

                var date = ( offset.toLowerCase().match( /^c/ ) ?
                    $.datepicker._getDate( inst ) : null ) || new Date(),
                    year = date.getFullYear(),
                    month = date.getMonth(),
                    day = date.getDate(),
                    pattern = /([+\-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g,
                    matches = pattern.exec( offset );

                while ( matches ) {
                    switch ( matches[ 2 ] || "d" ) {
                        case "d" : case "D" :
                            day += parseInt( matches[ 1 ], 10 ); break;
                        case "w" : case "W" :
                            day += parseInt( matches[ 1 ], 10 ) * 7; break;
                        case "m" : case "M" :
                            month += parseInt( matches[ 1 ], 10 );
                            day = Math.min( day, $.datepicker._getDaysInMonth( year, month ) );
                            break;
                        case "y": case "Y" :
                            year += parseInt( matches[ 1 ], 10 );
                            day = Math.min( day, $.datepicker._getDaysInMonth( year, month ) );
                            break;
                    }
                    matches = pattern.exec( offset );
                }
                return new Date( year, month, day );
            },
            newDate = ( date == null || date === "" ? defaultDate : ( typeof date === "string" ? offsetString( date ) :
                ( typeof date === "number" ? ( isNaN( date ) ? defaultDate : offsetNumeric( date ) ) : new Date( date.getTime() ) ) ) );

        newDate = ( newDate && newDate.toString() === "Invalid Date" ? defaultDate : newDate );
        if ( newDate ) {
            newDate.setHours( 0 );
            newDate.setMinutes( 0 );
            newDate.setSeconds( 0 );
            newDate.setMilliseconds( 0 );
        }
        return this._daylightSavingAdjust( newDate );
    },

    /* Handle switch to/from daylight saving.
     * Hours may be non-zero on daylight saving cut-over:
     * > 12 when midnight changeover, but then cannot generate
     * midnight datetime, so jump to 1AM, otherwise reset.
     * @param  date  (Date) the date to check
     * @return  (Date) the corrected date
     */
    _daylightSavingAdjust: function( date ) {
        if ( !date ) {
            return null;
        }
        date.setHours( date.getHours() > 12 ? date.getHours() + 2 : 0 );
        return date;
    },

    /* Set the date(s) directly. */
    _setDate: function( inst, date, noChange ) {
        var clear = !date,
            origMonth = inst.selectedMonth,
            origYear = inst.selectedYear,
            newDate = this._restrictMinMax( inst, this._determineDate( inst, date, new Date() ) );

        inst.selectedDay = inst.currentDay = newDate.getDate();
        inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
        inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
        if ( ( origMonth !== inst.selectedMonth || origYear !== inst.selectedYear ) && !noChange ) {
            this._notifyChange( inst );
        }
        this._adjustInstDate( inst );
        if ( inst.input ) {
            inst.input.val( clear ? "" : this._formatDate( inst ) );
        }
    },

    /* Retrieve the date(s) directly. */
    _getDate: function( inst ) {
        var startDate = ( !inst.currentYear || ( inst.input && inst.input.val() === "" ) ? null :
            this._daylightSavingAdjust( new Date(
            inst.currentYear, inst.currentMonth, inst.currentDay ) ) );
            return startDate;
    },

    /* Attach the onxxx handlers.  These are declared statically so
     * they work with static code transformers like Caja.
     */
    _attachHandlers: function( inst ) {
        var stepMonths = this._get( inst, "stepMonths" ),
            id = "#" + inst.id.replace( /\\\\/g, "\\" );
        inst.dpDiv.find( "[data-handler]" ).map( function() {
            var handler = {
                prev: function() {
                    $.datepicker._adjustDate( id, -stepMonths, "M" );
                },
                next: function() {
                    $.datepicker._adjustDate( id, +stepMonths, "M" );
                },
                hide: function() {
                    $.datepicker._hideDatepicker();
                },
                today: function() {
                    $.datepicker._gotoToday( id );
                },
                selectDay: function() {
                    $.datepicker._selectDay( id, +this.getAttribute( "data-month" ), +this.getAttribute( "data-year" ), this );
                    return false;
                },
                selectMonth: function() {
                    $.datepicker._selectMonthYear( id, this, "M" );
                    return false;
                },
                selectYear: function() {
                    $.datepicker._selectMonthYear( id, this, "Y" );
                    return false;
                }
            };
            $( this ).on( this.getAttribute( "data-event" ), handler[ this.getAttribute( "data-handler" ) ] );
        } );
    },

    /* Generate the HTML for the current state of the date picker. */
    _generateHTML: function( inst ) {
        var maxDraw, prevText, prev, nextText, next, currentText, gotoDate,
            controls, buttonPanel, firstDay, showWeek, dayNames, dayNamesMin,
            monthNames, monthNamesShort, beforeShowDay, showOtherMonths,
            selectOtherMonths, defaultDate, html, dow, row, group, col, selectedDate,
            cornerClass, calender, thead, day, daysInMonth, leadDays, curRows, numRows,
            printDate, dRow, tbody, daySettings, otherMonth, unselectable,
            tempDate = new Date(),
            today = this._daylightSavingAdjust(
                new Date( tempDate.getFullYear(), tempDate.getMonth(), tempDate.getDate() ) ), // clear time
            isRTL = this._get( inst, "isRTL" ),
            showButtonPanel = this._get( inst, "showButtonPanel" ),
            hideIfNoPrevNext = this._get( inst, "hideIfNoPrevNext" ),
            navigationAsDateFormat = this._get( inst, "navigationAsDateFormat" ),
            numMonths = this._getNumberOfMonths( inst ),
            showCurrentAtPos = this._get( inst, "showCurrentAtPos" ),
            stepMonths = this._get( inst, "stepMonths" ),
            isMultiMonth = ( numMonths[ 0 ] !== 1 || numMonths[ 1 ] !== 1 ),
            currentDate = this._daylightSavingAdjust( ( !inst.currentDay ? new Date( 9999, 9, 9 ) :
                new Date( inst.currentYear, inst.currentMonth, inst.currentDay ) ) ),
            minDate = this._getMinMaxDate( inst, "min" ),
            maxDate = this._getMinMaxDate( inst, "max" ),
            drawMonth = inst.drawMonth - showCurrentAtPos,
            drawYear = inst.drawYear;

        if ( drawMonth < 0 ) {
            drawMonth += 12;
            drawYear--;
        }
        if ( maxDate ) {
            maxDraw = this._daylightSavingAdjust( new Date( maxDate.getFullYear(),
                maxDate.getMonth() - ( numMonths[ 0 ] * numMonths[ 1 ] ) + 1, maxDate.getDate() ) );
            maxDraw = ( minDate && maxDraw < minDate ? minDate : maxDraw );
            while ( this._daylightSavingAdjust( new Date( drawYear, drawMonth, 1 ) ) > maxDraw ) {
                drawMonth--;
                if ( drawMonth < 0 ) {
                    drawMonth = 11;
                    drawYear--;
                }
            }
        }
        inst.drawMonth = drawMonth;
        inst.drawYear = drawYear;

        prevText = this._get( inst, "prevText" );
        prevText = ( !navigationAsDateFormat ? prevText : this.formatDate( prevText,
            this._daylightSavingAdjust( new Date( drawYear, drawMonth - stepMonths, 1 ) ),
            this._getFormatConfig( inst ) ) );

        prev = ( this._canAdjustMonth( inst, -1, drawYear, drawMonth ) ?
            "<a class='ui-datepicker-prev ui-corner-all' data-handler='prev' data-event='click'" +
            " title='" + prevText + "'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "e" : "w" ) + "'>" + prevText + "</span></a>" :
            ( hideIfNoPrevNext ? "" : "<a class='ui-datepicker-prev ui-corner-all ui-state-disabled' title='" + prevText + "'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "e" : "w" ) + "'>" + prevText + "</span></a>" ) );

        nextText = this._get( inst, "nextText" );
        nextText = ( !navigationAsDateFormat ? nextText : this.formatDate( nextText,
            this._daylightSavingAdjust( new Date( drawYear, drawMonth + stepMonths, 1 ) ),
            this._getFormatConfig( inst ) ) );

        next = ( this._canAdjustMonth( inst, +1, drawYear, drawMonth ) ?
            "<a class='ui-datepicker-next ui-corner-all' data-handler='next' data-event='click'" +
            " title='" + nextText + "'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "w" : "e" ) + "'>" + nextText + "</span></a>" :
            ( hideIfNoPrevNext ? "" : "<a class='ui-datepicker-next ui-corner-all ui-state-disabled' title='" + nextText + "'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "w" : "e" ) + "'>" + nextText + "</span></a>" ) );

        currentText = this._get( inst, "currentText" );
        gotoDate = ( this._get( inst, "gotoCurrent" ) && inst.currentDay ? currentDate : today );
        currentText = ( !navigationAsDateFormat ? currentText :
            this.formatDate( currentText, gotoDate, this._getFormatConfig( inst ) ) );

        controls = ( !inst.inline ? "<button type='button' class='ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all' data-handler='hide' data-event='click'>" +
            this._get( inst, "closeText" ) + "</button>" : "" );

        buttonPanel = ( showButtonPanel ) ? "<div class='ui-datepicker-buttonpane ui-widget-content'>" + ( isRTL ? controls : "" ) +
            ( this._isInRange( inst, gotoDate ) ? "<button type='button' class='ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all' data-handler='today' data-event='click'" +
            ">" + currentText + "</button>" : "" ) + ( isRTL ? "" : controls ) + "</div>" : "";

        firstDay = parseInt( this._get( inst, "firstDay" ), 10 );
        firstDay = ( isNaN( firstDay ) ? 0 : firstDay );

        showWeek = this._get( inst, "showWeek" );
        dayNames = this._get( inst, "dayNames" );
        dayNamesMin = this._get( inst, "dayNamesMin" );
        monthNames = this._get( inst, "monthNames" );
        monthNamesShort = this._get( inst, "monthNamesShort" );
        beforeShowDay = this._get( inst, "beforeShowDay" );
        showOtherMonths = this._get( inst, "showOtherMonths" );
        selectOtherMonths = this._get( inst, "selectOtherMonths" );
        defaultDate = this._getDefaultDate( inst );
        html = "";

        for ( row = 0; row < numMonths[ 0 ]; row++ ) {
            group = "";
            this.maxRows = 4;
            for ( col = 0; col < numMonths[ 1 ]; col++ ) {
                selectedDate = this._daylightSavingAdjust( new Date( drawYear, drawMonth, inst.selectedDay ) );
                cornerClass = " ui-corner-all";
                calender = "";
                if ( isMultiMonth ) {
                    calender += "<div class='ui-datepicker-group";
                    if ( numMonths[ 1 ] > 1 ) {
                        switch ( col ) {
                            case 0: calender += " ui-datepicker-group-first";
                                cornerClass = " ui-corner-" + ( isRTL ? "right" : "left" ); break;
                            case numMonths[ 1 ] - 1: calender += " ui-datepicker-group-last";
                                cornerClass = " ui-corner-" + ( isRTL ? "left" : "right" ); break;
                            default: calender += " ui-datepicker-group-middle"; cornerClass = ""; break;
                        }
                    }
                    calender += "'>";
                }
                calender += "<div class='ui-datepicker-header ui-widget-header ui-helper-clearfix" + cornerClass + "'>" +
                    ( /all|left/.test( cornerClass ) && row === 0 ? ( isRTL ? next : prev ) : "" ) +
                    ( /all|right/.test( cornerClass ) && row === 0 ? ( isRTL ? prev : next ) : "" ) +
                    this._generateMonthYearHeader( inst, drawMonth, drawYear, minDate, maxDate,
                    row > 0 || col > 0, monthNames, monthNamesShort ) + // draw month headers
                    "</div><table class='ui-datepicker-calendar'><thead>" +
                    "<tr>";
                thead = ( showWeek ? "<th class='ui-datepicker-week-col'>" + this._get( inst, "weekHeader" ) + "</th>" : "" );
                for ( dow = 0; dow < 7; dow++ ) { // days of the week
                    day = ( dow + firstDay ) % 7;
                    thead += "<th scope='col'" + ( ( dow + firstDay + 6 ) % 7 >= 5 ? " class='ui-datepicker-week-end'" : "" ) + ">" +
                        "<span title='" + dayNames[ day ] + "'>" + dayNamesMin[ day ] + "</span></th>";
                }
                calender += thead + "</tr></thead><tbody>";
                daysInMonth = this._getDaysInMonth( drawYear, drawMonth );
                if ( drawYear === inst.selectedYear && drawMonth === inst.selectedMonth ) {
                    inst.selectedDay = Math.min( inst.selectedDay, daysInMonth );
                }
                leadDays = ( this._getFirstDayOfMonth( drawYear, drawMonth ) - firstDay + 7 ) % 7;
                curRows = Math.ceil( ( leadDays + daysInMonth ) / 7 ); // calculate the number of rows to generate
                numRows = ( isMultiMonth ? this.maxRows > curRows ? this.maxRows : curRows : curRows ); //If multiple months, use the higher number of rows (see #7043)
                this.maxRows = numRows;
                printDate = this._daylightSavingAdjust( new Date( drawYear, drawMonth, 1 - leadDays ) );
                for ( dRow = 0; dRow < numRows; dRow++ ) { // create date picker rows
                    calender += "<tr>";
                    tbody = ( !showWeek ? "" : "<td class='ui-datepicker-week-col'>" +
                        this._get( inst, "calculateWeek" )( printDate ) + "</td>" );
                    for ( dow = 0; dow < 7; dow++ ) { // create date picker days
                        daySettings = ( beforeShowDay ?
                            beforeShowDay.apply( ( inst.input ? inst.input[ 0 ] : null ), [ printDate ] ) : [ true, "" ] );
                        otherMonth = ( printDate.getMonth() !== drawMonth );
                        unselectable = ( otherMonth && !selectOtherMonths ) || !daySettings[ 0 ] ||
                            ( minDate && printDate < minDate ) || ( maxDate && printDate > maxDate );
                        tbody += "<td class='" +
                            ( ( dow + firstDay + 6 ) % 7 >= 5 ? " ui-datepicker-week-end" : "" ) + // highlight weekends
                            ( otherMonth ? " ui-datepicker-other-month" : "" ) + // highlight days from other months
                            ( ( printDate.getTime() === selectedDate.getTime() && drawMonth === inst.selectedMonth && inst._keyEvent ) || // user pressed key
                            ( defaultDate.getTime() === printDate.getTime() && defaultDate.getTime() === selectedDate.getTime() ) ?

                            // or defaultDate is current printedDate and defaultDate is selectedDate
                            " " + this._dayOverClass : "" ) + // highlight selected day
                            ( unselectable ? " " + this._unselectableClass + " ui-state-disabled" : "" ) +  // highlight unselectable days
                            ( otherMonth && !showOtherMonths ? "" : " " + daySettings[ 1 ] + // highlight custom dates
                            ( printDate.getTime() === currentDate.getTime() ? " " + this._currentClass : "" ) + // highlight selected day
                            ( printDate.getTime() === today.getTime() ? " ui-datepicker-today" : "" ) ) + "'" + // highlight today (if different)
                            ( ( !otherMonth || showOtherMonths ) && daySettings[ 2 ] ? " title='" + daySettings[ 2 ].replace( /'/g, "&#39;" ) + "'" : "" ) + // cell title
                            ( unselectable ? "" : " data-handler='selectDay' data-event='click' data-month='" + printDate.getMonth() + "' data-year='" + printDate.getFullYear() + "'" ) + ">" + // actions
                            ( otherMonth && !showOtherMonths ? "&#xa0;" : // display for other months
                            ( unselectable ? "<span class='ui-state-default'>" + printDate.getDate() + "</span>" : "<a class='ui-state-default" +
                            ( printDate.getTime() === today.getTime() ? " ui-state-highlight" : "" ) +
                            ( printDate.getTime() === currentDate.getTime() ? " ui-state-active" : "" ) + // highlight selected day
                            ( otherMonth ? " ui-priority-secondary" : "" ) + // distinguish dates from other months
                            "' href='#'>" + printDate.getDate() + "</a>" ) ) + "</td>"; // display selectable date
                        printDate.setDate( printDate.getDate() + 1 );
                        printDate = this._daylightSavingAdjust( printDate );
                    }
                    calender += tbody + "</tr>";
                }
                drawMonth++;
                if ( drawMonth > 11 ) {
                    drawMonth = 0;
                    drawYear++;
                }
                calender += "</tbody></table>" + ( isMultiMonth ? "</div>" +
                            ( ( numMonths[ 0 ] > 0 && col === numMonths[ 1 ] - 1 ) ? "<div class='ui-datepicker-row-break'></div>" : "" ) : "" );
                group += calender;
            }
            html += group;
        }
        html += buttonPanel;
        inst._keyEvent = false;
        return html;
    },

    /* Generate the month and year header. */
    _generateMonthYearHeader: function( inst, drawMonth, drawYear, minDate, maxDate,
            secondary, monthNames, monthNamesShort ) {

        var inMinYear, inMaxYear, month, years, thisYear, determineYear, year, endYear,
            changeMonth = this._get( inst, "changeMonth" ),
            changeYear = this._get( inst, "changeYear" ),
            showMonthAfterYear = this._get( inst, "showMonthAfterYear" ),
            html = "<div class='ui-datepicker-title'>",
            monthHtml = "";

        // Month selection
        if ( secondary || !changeMonth ) {
            monthHtml += "<span class='ui-datepicker-month'>" + monthNames[ drawMonth ] + "</span>";
        } else {
            inMinYear = ( minDate && minDate.getFullYear() === drawYear );
            inMaxYear = ( maxDate && maxDate.getFullYear() === drawYear );
            monthHtml += "<select class='ui-datepicker-month' data-handler='selectMonth' data-event='change'>";
            for ( month = 0; month < 12; month++ ) {
                if ( ( !inMinYear || month >= minDate.getMonth() ) && ( !inMaxYear || month <= maxDate.getMonth() ) ) {
                    monthHtml += "<option value='" + month + "'" +
                        ( month === drawMonth ? " selected='selected'" : "" ) +
                        ">" + monthNamesShort[ month ] + "</option>";
                }
            }
            monthHtml += "</select>";
        }

        if ( !showMonthAfterYear ) {
            html += monthHtml + ( secondary || !( changeMonth && changeYear ) ? "&#xa0;" : "" );
        }

        // Year selection
        if ( !inst.yearshtml ) {
            inst.yearshtml = "";
            if ( secondary || !changeYear ) {
                html += "<span class='ui-datepicker-year'>" + drawYear + "</span>";
            } else {

                // determine range of years to display
                years = this._get( inst, "yearRange" ).split( ":" );
                thisYear = new Date().getFullYear();
                determineYear = function( value ) {
                    var year = ( value.match( /c[+\-].*/ ) ? drawYear + parseInt( value.substring( 1 ), 10 ) :
                        ( value.match( /[+\-].*/ ) ? thisYear + parseInt( value, 10 ) :
                        parseInt( value, 10 ) ) );
                    return ( isNaN( year ) ? thisYear : year );
                };
                year = determineYear( years[ 0 ] );
                endYear = Math.max( year, determineYear( years[ 1 ] || "" ) );
                year = ( minDate ? Math.max( year, minDate.getFullYear() ) : year );
                endYear = ( maxDate ? Math.min( endYear, maxDate.getFullYear() ) : endYear );
                inst.yearshtml += "<select class='ui-datepicker-year' data-handler='selectYear' data-event='change'>";
                for ( ; year <= endYear; year++ ) {
                    inst.yearshtml += "<option value='" + year + "'" +
                        ( year === drawYear ? " selected='selected'" : "" ) +
                        ">" + year + "</option>";
                }
                inst.yearshtml += "</select>";

                html += inst.yearshtml;
                inst.yearshtml = null;
            }
        }

        html += this._get( inst, "yearSuffix" );
        if ( showMonthAfterYear ) {
            html += ( secondary || !( changeMonth && changeYear ) ? "&#xa0;" : "" ) + monthHtml;
        }
        html += "</div>"; // Close datepicker_header
        return html;
    },

    /* Adjust one of the date sub-fields. */
    _adjustInstDate: function( inst, offset, period ) {
        var year = inst.selectedYear + ( period === "Y" ? offset : 0 ),
            month = inst.selectedMonth + ( period === "M" ? offset : 0 ),
            day = Math.min( inst.selectedDay, this._getDaysInMonth( year, month ) ) + ( period === "D" ? offset : 0 ),
            date = this._restrictMinMax( inst, this._daylightSavingAdjust( new Date( year, month, day ) ) );

        inst.selectedDay = date.getDate();
        inst.drawMonth = inst.selectedMonth = date.getMonth();
        inst.drawYear = inst.selectedYear = date.getFullYear();
        if ( period === "M" || period === "Y" ) {
            this._notifyChange( inst );
        }
    },

    /* Ensure a date is within any min/max bounds. */
    _restrictMinMax: function( inst, date ) {
        var minDate = this._getMinMaxDate( inst, "min" ),
            maxDate = this._getMinMaxDate( inst, "max" ),
            newDate = ( minDate && date < minDate ? minDate : date );
        return ( maxDate && newDate > maxDate ? maxDate : newDate );
    },

    /* Notify change of month/year. */
    _notifyChange: function( inst ) {
        var onChange = this._get( inst, "onChangeMonthYear" );
        if ( onChange ) {
            onChange.apply( ( inst.input ? inst.input[ 0 ] : null ),
                [ inst.selectedYear, inst.selectedMonth + 1, inst ] );
        }
    },

    /* Determine the number of months to show. */
    _getNumberOfMonths: function( inst ) {
        var numMonths = this._get( inst, "numberOfMonths" );
        return ( numMonths == null ? [ 1, 1 ] : ( typeof numMonths === "number" ? [ 1, numMonths ] : numMonths ) );
    },

    /* Determine the current maximum date - ensure no time components are set. */
    _getMinMaxDate: function( inst, minMax ) {
        return this._determineDate( inst, this._get( inst, minMax + "Date" ), null );
    },

    /* Find the number of days in a given month. */
    _getDaysInMonth: function( year, month ) {
        return 32 - this._daylightSavingAdjust( new Date( year, month, 32 ) ).getDate();
    },

    /* Find the day of the week of the first of a month. */
    _getFirstDayOfMonth: function( year, month ) {
        return new Date( year, month, 1 ).getDay();
    },

    /* Determines if we should allow a "next/prev" month display change. */
    _canAdjustMonth: function( inst, offset, curYear, curMonth ) {
        var numMonths = this._getNumberOfMonths( inst ),
            date = this._daylightSavingAdjust( new Date( curYear,
            curMonth + ( offset < 0 ? offset : numMonths[ 0 ] * numMonths[ 1 ] ), 1 ) );

        if ( offset < 0 ) {
            date.setDate( this._getDaysInMonth( date.getFullYear(), date.getMonth() ) );
        }
        return this._isInRange( inst, date );
    },

    /* Is the given date in the accepted range? */
    _isInRange: function( inst, date ) {
        var yearSplit, currentYear,
            minDate = this._getMinMaxDate( inst, "min" ),
            maxDate = this._getMinMaxDate( inst, "max" ),
            minYear = null,
            maxYear = null,
            years = this._get( inst, "yearRange" );
            if ( years ) {
                yearSplit = years.split( ":" );
                currentYear = new Date().getFullYear();
                minYear = parseInt( yearSplit[ 0 ], 10 );
                maxYear = parseInt( yearSplit[ 1 ], 10 );
                if ( yearSplit[ 0 ].match( /[+\-].*/ ) ) {
                    minYear += currentYear;
                }
                if ( yearSplit[ 1 ].match( /[+\-].*/ ) ) {
                    maxYear += currentYear;
                }
            }

        return ( ( !minDate || date.getTime() >= minDate.getTime() ) &&
            ( !maxDate || date.getTime() <= maxDate.getTime() ) &&
            ( !minYear || date.getFullYear() >= minYear ) &&
            ( !maxYear || date.getFullYear() <= maxYear ) );
    },

    /* Provide the configuration settings for formatting/parsing. */
    _getFormatConfig: function( inst ) {
        var shortYearCutoff = this._get( inst, "shortYearCutoff" );
        shortYearCutoff = ( typeof shortYearCutoff !== "string" ? shortYearCutoff :
            new Date().getFullYear() % 100 + parseInt( shortYearCutoff, 10 ) );
        return { shortYearCutoff: shortYearCutoff,
            dayNamesShort: this._get( inst, "dayNamesShort" ), dayNames: this._get( inst, "dayNames" ),
            monthNamesShort: this._get( inst, "monthNamesShort" ), monthNames: this._get( inst, "monthNames" ) };
    },

    /* Format the given date for display. */
    _formatDate: function( inst, day, month, year ) {
        if ( !day ) {
            inst.currentDay = inst.selectedDay;
            inst.currentMonth = inst.selectedMonth;
            inst.currentYear = inst.selectedYear;
        }
        var date = ( day ? ( typeof day === "object" ? day :
            this._daylightSavingAdjust( new Date( year, month, day ) ) ) :
            this._daylightSavingAdjust( new Date( inst.currentYear, inst.currentMonth, inst.currentDay ) ) );
        return this.formatDate( this._get( inst, "dateFormat" ), date, this._getFormatConfig( inst ) );
    }
} );

/*
 * Bind hover events for datepicker elements.
 * Done via delegate so the binding only occurs once in the lifetime of the parent div.
 * Global datepicker_instActive, set by _updateDatepicker allows the handlers to find their way back to the active picker.
 */
function datepicker_bindHover( dpDiv ) {
    var selector = "button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a";
    return dpDiv.on( "mouseout", selector, function() {
            $( this ).removeClass( "ui-state-hover" );
            if ( this.className.indexOf( "ui-datepicker-prev" ) !== -1 ) {
                $( this ).removeClass( "ui-datepicker-prev-hover" );
            }
            if ( this.className.indexOf( "ui-datepicker-next" ) !== -1 ) {
                $( this ).removeClass( "ui-datepicker-next-hover" );
            }
        } )
        .on( "mouseover", selector, datepicker_handleMouseover );
}

function datepicker_handleMouseover() {
    if ( !$.datepicker._isDisabledDatepicker( datepicker_instActive.inline ? datepicker_instActive.dpDiv.parent()[ 0 ] : datepicker_instActive.input[ 0 ] ) ) {
        $( this ).parents( ".ui-datepicker-calendar" ).find( "a" ).removeClass( "ui-state-hover" );
        $( this ).addClass( "ui-state-hover" );
        if ( this.className.indexOf( "ui-datepicker-prev" ) !== -1 ) {
            $( this ).addClass( "ui-datepicker-prev-hover" );
        }
        if ( this.className.indexOf( "ui-datepicker-next" ) !== -1 ) {
            $( this ).addClass( "ui-datepicker-next-hover" );
        }
    }
}

/* jQuery extend now ignores nulls! */
function datepicker_extendRemove( target, props ) {
    $.extend( target, props );
    for ( var name in props ) {
        if ( props[ name ] == null ) {
            target[ name ] = props[ name ];
        }
    }
    return target;
}

/* Invoke the datepicker functionality.
   @param  options  string - a command, optionally followed by additional parameters or
                    Object - settings for attaching new datepicker functionality
   @return  jQuery object */
$.fn.datepicker = function( options ) {

    /* Verify an empty collection wasn't passed - Fixes #6976 */
    if ( !this.length ) {
        return this;
    }

    /* Initialise the date picker. */
    if ( !$.datepicker.initialized ) {
        $( document ).on( "mousedown", $.datepicker._checkExternalClick );
        $.datepicker.initialized = true;
    }

    /* Append datepicker main container to body if not exist. */
    if ( $( "#" + $.datepicker._mainDivId ).length === 0 ) {
        $( "body" ).append( $.datepicker.dpDiv );
    }

    var otherArgs = Array.prototype.slice.call( arguments, 1 );
    if ( typeof options === "string" && ( options === "isDisabled" || options === "getDate" || options === "widget" ) ) {
        return $.datepicker[ "_" + options + "Datepicker" ].
            apply( $.datepicker, [ this[ 0 ] ].concat( otherArgs ) );
    }
    if ( options === "option" && arguments.length === 2 && typeof arguments[ 1 ] === "string" ) {
        return $.datepicker[ "_" + options + "Datepicker" ].
            apply( $.datepicker, [ this[ 0 ] ].concat( otherArgs ) );
    }
    return this.each( function() {
        typeof options === "string" ?
            $.datepicker[ "_" + options + "Datepicker" ].
                apply( $.datepicker, [ this ].concat( otherArgs ) ) :
            $.datepicker._attachDatepicker( this, options );
    } );
};

$.datepicker = new Datepicker(); // singleton instance
$.datepicker.initialized = false;
$.datepicker.uuid = new Date().getTime();
$.datepicker.version = "1.12.1";

var widgetsDatepicker = $.datepicker;




// This file is deprecated
var ie = $.ui.ie = !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() );

//>>label: Mouse
//>>group: Widgets
//>>description: Abstracts mouse-based interactions to assist in creating certain widgets.
//>>docs: http://api.jqueryui.com/mouse/



var mouseHandled = false;
$( document ).on( "mouseup", function() {
    mouseHandled = false;
} );

var widgetsMouse = $.widget( "ui.mouse", {
    version: "1.12.1",
    options: {
        cancel: "input, textarea, button, select, option",
        distance: 1,
        delay: 0
    },
    _mouseInit: function() {
        var that = this;

        this.element
            .on( "mousedown." + this.widgetName, function( event ) {
                return that._mouseDown( event );
            } )
            .on( "click." + this.widgetName, function( event ) {
                if ( true === $.data( event.target, that.widgetName + ".preventClickEvent" ) ) {
                    $.removeData( event.target, that.widgetName + ".preventClickEvent" );
                    event.stopImmediatePropagation();
                    return false;
                }
            } );

        this.started = false;
    },

    // TODO: make sure destroying one instance of mouse doesn't mess with
    // other instances of mouse
    _mouseDestroy: function() {
        this.element.off( "." + this.widgetName );
        if ( this._mouseMoveDelegate ) {
            this.document
                .off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
                .off( "mouseup." + this.widgetName, this._mouseUpDelegate );
        }
    },

    _mouseDown: function( event ) {

        // don't let more than one widget handle mouseStart
        if ( mouseHandled ) {
            return;
        }

        this._mouseMoved = false;

        // We may have missed mouseup (out of window)
        ( this._mouseStarted && this._mouseUp( event ) );

        this._mouseDownEvent = event;

        var that = this,
            btnIsLeft = ( event.which === 1 ),

            // event.target.nodeName works around a bug in IE 8 with
            // disabled inputs (#7620)
            elIsCancel = ( typeof this.options.cancel === "string" && event.target.nodeName ?
                $( event.target ).closest( this.options.cancel ).length : false );
        if ( !btnIsLeft || elIsCancel || !this._mouseCapture( event ) ) {
            return true;
        }

        this.mouseDelayMet = !this.options.delay;
        if ( !this.mouseDelayMet ) {
            this._mouseDelayTimer = setTimeout( function() {
                that.mouseDelayMet = true;
            }, this.options.delay );
        }

        if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
            this._mouseStarted = ( this._mouseStart( event ) !== false );
            if ( !this._mouseStarted ) {
                event.preventDefault();
                return true;
            }
        }

        // Click event may never have fired (Gecko & Opera)
        if ( true === $.data( event.target, this.widgetName + ".preventClickEvent" ) ) {
            $.removeData( event.target, this.widgetName + ".preventClickEvent" );
        }

        // These delegates are required to keep context
        this._mouseMoveDelegate = function( event ) {
            return that._mouseMove( event );
        };
        this._mouseUpDelegate = function( event ) {
            return that._mouseUp( event );
        };

        this.document
            .on( "mousemove." + this.widgetName, this._mouseMoveDelegate )
            .on( "mouseup." + this.widgetName, this._mouseUpDelegate );

        event.preventDefault();

        mouseHandled = true;
        return true;
    },

    _mouseMove: function( event ) {

        // Only check for mouseups outside the document if you've moved inside the document
        // at least once. This prevents the firing of mouseup in the case of IE<9, which will
        // fire a mousemove event if content is placed under the cursor. See #7778
        // Support: IE <9
        if ( this._mouseMoved ) {

            // IE mouseup check - mouseup happened when mouse was out of window
            if ( $.ui.ie && ( !document.documentMode || document.documentMode < 9 ) &&
                    !event.button ) {
                return this._mouseUp( event );

            // Iframe mouseup check - mouseup occurred in another document
            } else if ( !event.which ) {

                // Support: Safari <=8 - 9
                // Safari sets which to 0 if you press any of the following keys
                // during a drag (#14461)
                if ( event.originalEvent.altKey || event.originalEvent.ctrlKey ||
                        event.originalEvent.metaKey || event.originalEvent.shiftKey ) {
                    this.ignoreMissingWhich = true;
                } else if ( !this.ignoreMissingWhich ) {
                    return this._mouseUp( event );
                }
            }
        }

        if ( event.which || event.button ) {
            this._mouseMoved = true;
        }

        if ( this._mouseStarted ) {
            this._mouseDrag( event );
            return event.preventDefault();
        }

        if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
            this._mouseStarted =
                ( this._mouseStart( this._mouseDownEvent, event ) !== false );
            ( this._mouseStarted ? this._mouseDrag( event ) : this._mouseUp( event ) );
        }

        return !this._mouseStarted;
    },

    _mouseUp: function( event ) {
        this.document
            .off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
            .off( "mouseup." + this.widgetName, this._mouseUpDelegate );

        if ( this._mouseStarted ) {
            this._mouseStarted = false;

            if ( event.target === this._mouseDownEvent.target ) {
                $.data( event.target, this.widgetName + ".preventClickEvent", true );
            }

            this._mouseStop( event );
        }

        if ( this._mouseDelayTimer ) {
            clearTimeout( this._mouseDelayTimer );
            delete this._mouseDelayTimer;
        }

        this.ignoreMissingWhich = false;
        mouseHandled = false;
        event.preventDefault();
    },

    _mouseDistanceMet: function( event ) {
        return ( Math.max(
                Math.abs( this._mouseDownEvent.pageX - event.pageX ),
                Math.abs( this._mouseDownEvent.pageY - event.pageY )
            ) >= this.options.distance
        );
    },

    _mouseDelayMet: function( /* event */ ) {
        return this.mouseDelayMet;
    },

    // These are placeholder methods, to be overriden by extending plugin
    _mouseStart: function( /* event */ ) {},
    _mouseDrag: function( /* event */ ) {},
    _mouseStop: function( /* event */ ) {},
    _mouseCapture: function( /* event */ ) { return true; }
} );




// $.ui.plugin is deprecated. Use $.widget() extensions instead.
var plugin = $.ui.plugin = {
    add: function( module, option, set ) {
        var i,
            proto = $.ui[ module ].prototype;
        for ( i in set ) {
            proto.plugins[ i ] = proto.plugins[ i ] || [];
            proto.plugins[ i ].push( [ option, set[ i ] ] );
        }
    },
    call: function( instance, name, args, allowDisconnected ) {
        var i,
            set = instance.plugins[ name ];

        if ( !set ) {
            return;
        }

        if ( !allowDisconnected && ( !instance.element[ 0 ].parentNode ||
                instance.element[ 0 ].parentNode.nodeType === 11 ) ) {
            return;
        }

        for ( i = 0; i < set.length; i++ ) {
            if ( instance.options[ set[ i ][ 0 ] ] ) {
                set[ i ][ 1 ].apply( instance.element, args );
            }
        }
    }
};



var safeBlur = $.ui.safeBlur = function( element ) {

    // Support: IE9 - 10 only
    // If the <body> is blurred, IE will switch windows, see #9420
    if ( element && element.nodeName.toLowerCase() !== "body" ) {
        $( element ).trigger( "blur" );
    }
};


//>>label: Draggable
//>>group: Interactions
//>>description: Enables dragging functionality for any element.
//>>docs: http://api.jqueryui.com/draggable/
//>>demos: http://jqueryui.com/draggable/
//>>css.structure: ../../themes/base/draggable.css



$.widget( "ui.draggable", $.ui.mouse, {
    version: "1.12.1",
    widgetEventPrefix: "drag",
    options: {
        addClasses: true,
        appendTo: "parent",
        axis: false,
        connectToSortable: false,
        containment: false,
        cursor: "auto",
        cursorAt: false,
        grid: false,
        handle: false,
        helper: "original",
        iframeFix: false,
        opacity: false,
        refreshPositions: false,
        revert: false,
        revertDuration: 500,
        scope: "default",
        scroll: true,
        scrollSensitivity: 20,
        scrollSpeed: 20,
        snap: false,
        snapMode: "both",
        snapTolerance: 20,
        stack: false,
        zIndex: false,

        // Callbacks
        drag: null,
        start: null,
        stop: null
    },
    _create: function() {

        if ( this.options.helper === "original" ) {
            this._setPositionRelative();
        }
        if ( this.options.addClasses ) {
            this._addClass( "ui-draggable" );
        }
        this._setHandleClassName();

        this._mouseInit();
    },

    _setOption: function( key, value ) {
        this._super( key, value );
        if ( key === "handle" ) {
            this._removeHandleClassName();
            this._setHandleClassName();
        }
    },

    _destroy: function() {
        if ( ( this.helper || this.element ).is( ".ui-draggable-dragging" ) ) {
            this.destroyOnClear = true;
            return;
        }
        this._removeHandleClassName();
        this._mouseDestroy();
    },

    _mouseCapture: function( event ) {
        var o = this.options;

        // Among others, prevent a drag on a resizable-handle
        if ( this.helper || o.disabled ||
                $( event.target ).closest( ".ui-resizable-handle" ).length > 0 ) {
            return false;
        }

        //Quit if we're not on a valid handle
        this.handle = this._getHandle( event );
        if ( !this.handle ) {
            return false;
        }

        this._blurActiveElement( event );

        this._blockFrames( o.iframeFix === true ? "iframe" : o.iframeFix );

        return true;

    },

    _blockFrames: function( selector ) {
        this.iframeBlocks = this.document.find( selector ).map( function() {
            var iframe = $( this );

            return $( "<div>" )
                .css( "position", "absolute" )
                .appendTo( iframe.parent() )
                .outerWidth( iframe.outerWidth() )
                .outerHeight( iframe.outerHeight() )
                .offset( iframe.offset() )[ 0 ];
        } );
    },

    _unblockFrames: function() {
        if ( this.iframeBlocks ) {
            this.iframeBlocks.remove();
            delete this.iframeBlocks;
        }
    },

    _blurActiveElement: function( event ) {
        var activeElement = $.ui.safeActiveElement( this.document[ 0 ] ),
            target = $( event.target );

        // Don't blur if the event occurred on an element that is within
        // the currently focused element
        // See #10527, #12472
        if ( target.closest( activeElement ).length ) {
            return;
        }

        // Blur any element that currently has focus, see #4261
        $.ui.safeBlur( activeElement );
    },

    _mouseStart: function( event ) {

        var o = this.options;

        //Create and append the visible helper
        this.helper = this._createHelper( event );

        this._addClass( this.helper, "ui-draggable-dragging" );

        //Cache the helper size
        this._cacheHelperProportions();

        //If ddmanager is used for droppables, set the global draggable
        if ( $.ui.ddmanager ) {
            $.ui.ddmanager.current = this;
        }

        /*
         * - Position generation -
         * This block generates everything position related - it's the core of draggables.
         */

        //Cache the margins of the original element
        this._cacheMargins();

        //Store the helper's css position
        this.cssPosition = this.helper.css( "position" );
        this.scrollParent = this.helper.scrollParent( true );
        this.offsetParent = this.helper.offsetParent();
        this.hasFixedAncestor = this.helper.parents().filter( function() {
                return $( this ).css( "position" ) === "fixed";
            } ).length > 0;

        //The element's absolute position on the page minus margins
        this.positionAbs = this.element.offset();
        this._refreshOffsets( event );

        //Generate the original position
        this.originalPosition = this.position = this._generatePosition( event, false );
        this.originalPageX = event.pageX;
        this.originalPageY = event.pageY;

        //Adjust the mouse offset relative to the helper if "cursorAt" is supplied
        ( o.cursorAt && this._adjustOffsetFromHelper( o.cursorAt ) );

        //Set a containment if given in the options
        this._setContainment();

        //Trigger event + callbacks
        if ( this._trigger( "start", event ) === false ) {
            this._clear();
            return false;
        }

        //Recache the helper size
        this._cacheHelperProportions();

        //Prepare the droppable offsets
        if ( $.ui.ddmanager && !o.dropBehaviour ) {
            $.ui.ddmanager.prepareOffsets( this, event );
        }

        // Execute the drag once - this causes the helper not to be visible before getting its
        // correct position
        this._mouseDrag( event, true );

        // If the ddmanager is used for droppables, inform the manager that dragging has started
        // (see #5003)
        if ( $.ui.ddmanager ) {
            $.ui.ddmanager.dragStart( this, event );
        }

        return true;
    },

    _refreshOffsets: function( event ) {
        this.offset = {
            top: this.positionAbs.top - this.margins.top,
            left: this.positionAbs.left - this.margins.left,
            scroll: false,
            parent: this._getParentOffset(),
            relative: this._getRelativeOffset()
        };

        this.offset.click = {
            left: event.pageX - this.offset.left,
            top: event.pageY - this.offset.top
        };
    },

    _mouseDrag: function( event, noPropagation ) {

        // reset any necessary cached properties (see #5009)
        if ( this.hasFixedAncestor ) {
            this.offset.parent = this._getParentOffset();
        }

        //Compute the helpers position
        this.position = this._generatePosition( event, true );
        this.positionAbs = this._convertPositionTo( "absolute" );

        //Call plugins and callbacks and use the resulting position if something is returned
        if ( !noPropagation ) {
            var ui = this._uiHash();
            if ( this._trigger( "drag", event, ui ) === false ) {
                this._mouseUp( new $.Event( "mouseup", event ) );
                return false;
            }
            this.position = ui.position;
        }

        this.helper[ 0 ].style.left = this.position.left + "px";
        this.helper[ 0 ].style.top = this.position.top + "px";

        if ( $.ui.ddmanager ) {
            $.ui.ddmanager.drag( this, event );
        }

        return false;
    },

    _mouseStop: function( event ) {

        //If we are using droppables, inform the manager about the drop
        var that = this,
            dropped = false;
        if ( $.ui.ddmanager && !this.options.dropBehaviour ) {
            dropped = $.ui.ddmanager.drop( this, event );
        }

        //if a drop comes from outside (a sortable)
        if ( this.dropped ) {
            dropped = this.dropped;
            this.dropped = false;
        }

        if ( ( this.options.revert === "invalid" && !dropped ) ||
                ( this.options.revert === "valid" && dropped ) ||
                this.options.revert === true || ( $.isFunction( this.options.revert ) &&
                this.options.revert.call( this.element, dropped ) )
        ) {
            $( this.helper ).animate(
                this.originalPosition,
                parseInt( this.options.revertDuration, 10 ),
                function() {
                    if ( that._trigger( "stop", event ) !== false ) {
                        that._clear();
                    }
                }
            );
        } else {
            if ( this._trigger( "stop", event ) !== false ) {
                this._clear();
            }
        }

        return false;
    },

    _mouseUp: function( event ) {
        this._unblockFrames();

        // If the ddmanager is used for droppables, inform the manager that dragging has stopped
        // (see #5003)
        if ( $.ui.ddmanager ) {
            $.ui.ddmanager.dragStop( this, event );
        }

        // Only need to focus if the event occurred on the draggable itself, see #10527
        if ( this.handleElement.is( event.target ) ) {

            // The interaction is over; whether or not the click resulted in a drag,
            // focus the element
            this.element.trigger( "focus" );
        }

        return $.ui.mouse.prototype._mouseUp.call( this, event );
    },

    cancel: function() {

        if ( this.helper.is( ".ui-draggable-dragging" ) ) {
            this._mouseUp( new $.Event( "mouseup", { target: this.element[ 0 ] } ) );
        } else {
            this._clear();
        }

        return this;

    },

    _getHandle: function( event ) {
        return this.options.handle ?
            !!$( event.target ).closest( this.element.find( this.options.handle ) ).length :
            true;
    },

    _setHandleClassName: function() {
        this.handleElement = this.options.handle ?
            this.element.find( this.options.handle ) : this.element;
        this._addClass( this.handleElement, "ui-draggable-handle" );
    },

    _removeHandleClassName: function() {
        this._removeClass( this.handleElement, "ui-draggable-handle" );
    },

    _createHelper: function( event ) {

        var o = this.options,
            helperIsFunction = $.isFunction( o.helper ),
            helper = helperIsFunction ?
                $( o.helper.apply( this.element[ 0 ], [ event ] ) ) :
                ( o.helper === "clone" ?
                    this.element.clone().removeAttr( "id" ) :
                    this.element );

        if ( !helper.parents( "body" ).length ) {
            helper.appendTo( ( o.appendTo === "parent" ?
                this.element[ 0 ].parentNode :
                o.appendTo ) );
        }

        // Http://bugs.jqueryui.com/ticket/9446
        // a helper function can return the original element
        // which wouldn't have been set to relative in _create
        if ( helperIsFunction && helper[ 0 ] === this.element[ 0 ] ) {
            this._setPositionRelative();
        }

        if ( helper[ 0 ] !== this.element[ 0 ] &&
                !( /(fixed|absolute)/ ).test( helper.css( "position" ) ) ) {
            helper.css( "position", "absolute" );
        }

        return helper;

    },

    _setPositionRelative: function() {
        if ( !( /^(?:r|a|f)/ ).test( this.element.css( "position" ) ) ) {
            this.element[ 0 ].style.position = "relative";
        }
    },

    _adjustOffsetFromHelper: function( obj ) {
        if ( typeof obj === "string" ) {
            obj = obj.split( " " );
        }
        if ( $.isArray( obj ) ) {
            obj = { left: +obj[ 0 ], top: +obj[ 1 ] || 0 };
        }
        if ( "left" in obj ) {
            this.offset.click.left = obj.left + this.margins.left;
        }
        if ( "right" in obj ) {
            this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
        }
        if ( "top" in obj ) {
            this.offset.click.top = obj.top + this.margins.top;
        }
        if ( "bottom" in obj ) {
            this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
        }
    },

    _isRootNode: function( element ) {
        return ( /(html|body)/i ).test( element.tagName ) || element === this.document[ 0 ];
    },

    _getParentOffset: function() {

        //Get the offsetParent and cache its position
        var po = this.offsetParent.offset(),
            document = this.document[ 0 ];

        // This is a special case where we need to modify a offset calculated on start, since the
        // following happened:
        // 1. The position of the helper is absolute, so it's position is calculated based on the
        // next positioned parent
        // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't
        // the document, which means that the scroll is included in the initial calculation of the
        // offset of the parent, and never recalculated upon drag
        if ( this.cssPosition === "absolute" && this.scrollParent[ 0 ] !== document &&
                $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) {
            po.left += this.scrollParent.scrollLeft();
            po.top += this.scrollParent.scrollTop();
        }

        if ( this._isRootNode( this.offsetParent[ 0 ] ) ) {
            po = { top: 0, left: 0 };
        }

        return {
            top: po.top + ( parseInt( this.offsetParent.css( "borderTopWidth" ), 10 ) || 0 ),
            left: po.left + ( parseInt( this.offsetParent.css( "borderLeftWidth" ), 10 ) || 0 )
        };

    },

    _getRelativeOffset: function() {
        if ( this.cssPosition !== "relative" ) {
            return { top: 0, left: 0 };
        }

        var p = this.element.position(),
            scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );

        return {
            top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) +
                ( !scrollIsRootNode ? this.scrollParent.scrollTop() : 0 ),
            left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) +
                ( !scrollIsRootNode ? this.scrollParent.scrollLeft() : 0 )
        };

    },

    _cacheMargins: function() {
        this.margins = {
            left: ( parseInt( this.element.css( "marginLeft" ), 10 ) || 0 ),
            top: ( parseInt( this.element.css( "marginTop" ), 10 ) || 0 ),
            right: ( parseInt( this.element.css( "marginRight" ), 10 ) || 0 ),
            bottom: ( parseInt( this.element.css( "marginBottom" ), 10 ) || 0 )
        };
    },

    _cacheHelperProportions: function() {
        this.helperProportions = {
            width: this.helper.outerWidth(),
            height: this.helper.outerHeight()
        };
    },

    _setContainment: function() {

        var isUserScrollable, c, ce,
            o = this.options,
            document = this.document[ 0 ];

        this.relativeContainer = null;

        if ( !o.containment ) {
            this.containment = null;
            return;
        }

        if ( o.containment === "window" ) {
            this.containment = [
                $( window ).scrollLeft() - this.offset.relative.left - this.offset.parent.left,
                $( window ).scrollTop() - this.offset.relative.top - this.offset.parent.top,
                $( window ).scrollLeft() + $( window ).width() -
                    this.helperProportions.width - this.margins.left,
                $( window ).scrollTop() +
                    ( $( window ).height() || document.body.parentNode.scrollHeight ) -
                    this.helperProportions.height - this.margins.top
            ];
            return;
        }

        if ( o.containment === "document" ) {
            this.containment = [
                0,
                0,
                $( document ).width() - this.helperProportions.width - this.margins.left,
                ( $( document ).height() || document.body.parentNode.scrollHeight ) -
                    this.helperProportions.height - this.margins.top
            ];
            return;
        }

        if ( o.containment.constructor === Array ) {
            this.containment = o.containment;
            return;
        }

        if ( o.containment === "parent" ) {
            o.containment = this.helper[ 0 ].parentNode;
        }

        c = $( o.containment );
        ce = c[ 0 ];

        if ( !ce ) {
            return;
        }

        isUserScrollable = /(scroll|auto)/.test( c.css( "overflow" ) );

        this.containment = [
            ( parseInt( c.css( "borderLeftWidth" ), 10 ) || 0 ) +
                ( parseInt( c.css( "paddingLeft" ), 10 ) || 0 ),
            ( parseInt( c.css( "borderTopWidth" ), 10 ) || 0 ) +
                ( parseInt( c.css( "paddingTop" ), 10 ) || 0 ),
            ( isUserScrollable ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
                ( parseInt( c.css( "borderRightWidth" ), 10 ) || 0 ) -
                ( parseInt( c.css( "paddingRight" ), 10 ) || 0 ) -
                this.helperProportions.width -
                this.margins.left -
                this.margins.right,
            ( isUserScrollable ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
                ( parseInt( c.css( "borderBottomWidth" ), 10 ) || 0 ) -
                ( parseInt( c.css( "paddingBottom" ), 10 ) || 0 ) -
                this.helperProportions.height -
                this.margins.top -
                this.margins.bottom
        ];
        this.relativeContainer = c;
    },

    _convertPositionTo: function( d, pos ) {

        if ( !pos ) {
            pos = this.position;
        }

        var mod = d === "absolute" ? 1 : -1,
            scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );

        return {
            top: (

                // The absolute mouse position
                pos.top +

                // Only for relative positioned nodes: Relative offset from element to offset parent
                this.offset.relative.top * mod +

                // The offsetParent's offset without borders (offset + border)
                this.offset.parent.top * mod -
                ( ( this.cssPosition === "fixed" ?
                    -this.offset.scroll.top :
                    ( scrollIsRootNode ? 0 : this.offset.scroll.top ) ) * mod )
            ),
            left: (

                // The absolute mouse position
                pos.left +

                // Only for relative positioned nodes: Relative offset from element to offset parent
                this.offset.relative.left * mod +

                // The offsetParent's offset without borders (offset + border)
                this.offset.parent.left * mod   -
                ( ( this.cssPosition === "fixed" ?
                    -this.offset.scroll.left :
                    ( scrollIsRootNode ? 0 : this.offset.scroll.left ) ) * mod )
            )
        };

    },

    _generatePosition: function( event, constrainPosition ) {

        var containment, co, top, left,
            o = this.options,
            scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] ),
            pageX = event.pageX,
            pageY = event.pageY;

        // Cache the scroll
        if ( !scrollIsRootNode || !this.offset.scroll ) {
            this.offset.scroll = {
                top: this.scrollParent.scrollTop(),
                left: this.scrollParent.scrollLeft()
            };
        }

        /*
         * - Position constraining -
         * Constrain the position to a mix of grid, containment.
         */

        // If we are not dragging yet, we won't check for options
        if ( constrainPosition ) {
            if ( this.containment ) {
                if ( this.relativeContainer ) {
                    co = this.relativeContainer.offset();
                    containment = [
                        this.containment[ 0 ] + co.left,
                        this.containment[ 1 ] + co.top,
                        this.containment[ 2 ] + co.left,
                        this.containment[ 3 ] + co.top
                    ];
                } else {
                    containment = this.containment;
                }

                if ( event.pageX - this.offset.click.left < containment[ 0 ] ) {
                    pageX = containment[ 0 ] + this.offset.click.left;
                }
                if ( event.pageY - this.offset.click.top < containment[ 1 ] ) {
                    pageY = containment[ 1 ] + this.offset.click.top;
                }
                if ( event.pageX - this.offset.click.left > containment[ 2 ] ) {
                    pageX = containment[ 2 ] + this.offset.click.left;
                }
                if ( event.pageY - this.offset.click.top > containment[ 3 ] ) {
                    pageY = containment[ 3 ] + this.offset.click.top;
                }
            }

            if ( o.grid ) {

                //Check for grid elements set to 0 to prevent divide by 0 error causing invalid
                // argument errors in IE (see ticket #6950)
                top = o.grid[ 1 ] ? this.originalPageY + Math.round( ( pageY -
                    this.originalPageY ) / o.grid[ 1 ] ) * o.grid[ 1 ] : this.originalPageY;
                pageY = containment ? ( ( top - this.offset.click.top >= containment[ 1 ] ||
                    top - this.offset.click.top > containment[ 3 ] ) ?
                        top :
                        ( ( top - this.offset.click.top >= containment[ 1 ] ) ?
                            top - o.grid[ 1 ] : top + o.grid[ 1 ] ) ) : top;

                left = o.grid[ 0 ] ? this.originalPageX +
                    Math.round( ( pageX - this.originalPageX ) / o.grid[ 0 ] ) * o.grid[ 0 ] :
                    this.originalPageX;
                pageX = containment ? ( ( left - this.offset.click.left >= containment[ 0 ] ||
                    left - this.offset.click.left > containment[ 2 ] ) ?
                        left :
                        ( ( left - this.offset.click.left >= containment[ 0 ] ) ?
                            left - o.grid[ 0 ] : left + o.grid[ 0 ] ) ) : left;
            }

            if ( o.axis === "y" ) {
                pageX = this.originalPageX;
            }

            if ( o.axis === "x" ) {
                pageY = this.originalPageY;
            }
        }

        return {
            top: (

                // The absolute mouse position
                pageY -

                // Click offset (relative to the element)
                this.offset.click.top -

                // Only for relative positioned nodes: Relative offset from element to offset parent
                this.offset.relative.top -

                // The offsetParent's offset without borders (offset + border)
                this.offset.parent.top +
                ( this.cssPosition === "fixed" ?
                    -this.offset.scroll.top :
                    ( scrollIsRootNode ? 0 : this.offset.scroll.top ) )
            ),
            left: (

                // The absolute mouse position
                pageX -

                // Click offset (relative to the element)
                this.offset.click.left -

                // Only for relative positioned nodes: Relative offset from element to offset parent
                this.offset.relative.left -

                // The offsetParent's offset without borders (offset + border)
                this.offset.parent.left +
                ( this.cssPosition === "fixed" ?
                    -this.offset.scroll.left :
                    ( scrollIsRootNode ? 0 : this.offset.scroll.left ) )
            )
        };

    },

    _clear: function() {
        this._removeClass( this.helper, "ui-draggable-dragging" );
        if ( this.helper[ 0 ] !== this.element[ 0 ] && !this.cancelHelperRemoval ) {
            this.helper.remove();
        }
        this.helper = null;
        this.cancelHelperRemoval = false;
        if ( this.destroyOnClear ) {
            this.destroy();
        }
    },

    // From now on bulk stuff - mainly helpers

    _trigger: function( type, event, ui ) {
        ui = ui || this._uiHash();
        $.ui.plugin.call( this, type, [ event, ui, this ], true );

        // Absolute position and offset (see #6884 ) have to be recalculated after plugins
        if ( /^(drag|start|stop)/.test( type ) ) {
            this.positionAbs = this._convertPositionTo( "absolute" );
            ui.offset = this.positionAbs;
        }
        return $.Widget.prototype._trigger.call( this, type, event, ui );
    },

    plugins: {},

    _uiHash: function() {
        return {
            helper: this.helper,
            position: this.position,
            originalPosition: this.originalPosition,
            offset: this.positionAbs
        };
    }

} );

$.ui.plugin.add( "draggable", "connectToSortable", {
    start: function( event, ui, draggable ) {
        var uiSortable = $.extend( {}, ui, {
            item: draggable.element
        } );

        draggable.sortables = [];
        $( draggable.options.connectToSortable ).each( function() {
            var sortable = $( this ).sortable( "instance" );

            if ( sortable && !sortable.options.disabled ) {
                draggable.sortables.push( sortable );

                // RefreshPositions is called at drag start to refresh the containerCache
                // which is used in drag. This ensures it's initialized and synchronized
                // with any changes that might have happened on the page since initialization.
                sortable.refreshPositions();
                sortable._trigger( "activate", event, uiSortable );
            }
        } );
    },
    stop: function( event, ui, draggable ) {
        var uiSortable = $.extend( {}, ui, {
            item: draggable.element
        } );

        draggable.cancelHelperRemoval = false;

        $.each( draggable.sortables, function() {
            var sortable = this;

            if ( sortable.isOver ) {
                sortable.isOver = 0;

                // Allow this sortable to handle removing the helper
                draggable.cancelHelperRemoval = true;
                sortable.cancelHelperRemoval = false;

                // Use _storedCSS To restore properties in the sortable,
                // as this also handles revert (#9675) since the draggable
                // may have modified them in unexpected ways (#8809)
                sortable._storedCSS = {
                    position: sortable.placeholder.css( "position" ),
                    top: sortable.placeholder.css( "top" ),
                    left: sortable.placeholder.css( "left" )
                };

                sortable._mouseStop( event );

                // Once drag has ended, the sortable should return to using
                // its original helper, not the shared helper from draggable
                sortable.options.helper = sortable.options._helper;
            } else {

                // Prevent this Sortable from removing the helper.
                // However, don't set the draggable to remove the helper
                // either as another connected Sortable may yet handle the removal.
                sortable.cancelHelperRemoval = true;

                sortable._trigger( "deactivate", event, uiSortable );
            }
        } );
    },
    drag: function( event, ui, draggable ) {
        $.each( draggable.sortables, function() {
            var innermostIntersecting = false,
                sortable = this;

            // Copy over variables that sortable's _intersectsWith uses
            sortable.positionAbs = draggable.positionAbs;
            sortable.helperProportions = draggable.helperProportions;
            sortable.offset.click = draggable.offset.click;

            if ( sortable._intersectsWith( sortable.containerCache ) ) {
                innermostIntersecting = true;

                $.each( draggable.sortables, function() {

                    // Copy over variables that sortable's _intersectsWith uses
                    this.positionAbs = draggable.positionAbs;
                    this.helperProportions = draggable.helperProportions;
                    this.offset.click = draggable.offset.click;

                    if ( this !== sortable &&
                            this._intersectsWith( this.containerCache ) &&
                            $.contains( sortable.element[ 0 ], this.element[ 0 ] ) ) {
                        innermostIntersecting = false;
                    }

                    return innermostIntersecting;
                } );
            }

            if ( innermostIntersecting ) {

                // If it intersects, we use a little isOver variable and set it once,
                // so that the move-in stuff gets fired only once.
                if ( !sortable.isOver ) {
                    sortable.isOver = 1;

                    // Store draggable's parent in case we need to reappend to it later.
                    draggable._parent = ui.helper.parent();

                    sortable.currentItem = ui.helper
                        .appendTo( sortable.element )
                        .data( "ui-sortable-item", true );

                    // Store helper option to later restore it
                    sortable.options._helper = sortable.options.helper;

                    sortable.options.helper = function() {
                        return ui.helper[ 0 ];
                    };

                    // Fire the start events of the sortable with our passed browser event,
                    // and our own helper (so it doesn't create a new one)
                    event.target = sortable.currentItem[ 0 ];
                    sortable._mouseCapture( event, true );
                    sortable._mouseStart( event, true, true );

                    // Because the browser event is way off the new appended portlet,
                    // modify necessary variables to reflect the changes
                    sortable.offset.click.top = draggable.offset.click.top;
                    sortable.offset.click.left = draggable.offset.click.left;
                    sortable.offset.parent.left -= draggable.offset.parent.left -
                        sortable.offset.parent.left;
                    sortable.offset.parent.top -= draggable.offset.parent.top -
                        sortable.offset.parent.top;

                    draggable._trigger( "toSortable", event );

                    // Inform draggable that the helper is in a valid drop zone,
                    // used solely in the revert option to handle "valid/invalid".
                    draggable.dropped = sortable.element;

                    // Need to refreshPositions of all sortables in the case that
                    // adding to one sortable changes the location of the other sortables (#9675)
                    $.each( draggable.sortables, function() {
                        this.refreshPositions();
                    } );

                    // Hack so receive/update callbacks work (mostly)
                    draggable.currentItem = draggable.element;
                    sortable.fromOutside = draggable;
                }

                if ( sortable.currentItem ) {
                    sortable._mouseDrag( event );

                    // Copy the sortable's position because the draggable's can potentially reflect
                    // a relative position, while sortable is always absolute, which the dragged
                    // element has now become. (#8809)
                    ui.position = sortable.position;
                }
            } else {

                // If it doesn't intersect with the sortable, and it intersected before,
                // we fake the drag stop of the sortable, but make sure it doesn't remove
                // the helper by using cancelHelperRemoval.
                if ( sortable.isOver ) {

                    sortable.isOver = 0;
                    sortable.cancelHelperRemoval = true;

                    // Calling sortable's mouseStop would trigger a revert,
                    // so revert must be temporarily false until after mouseStop is called.
                    sortable.options._revert = sortable.options.revert;
                    sortable.options.revert = false;

                    sortable._trigger( "out", event, sortable._uiHash( sortable ) );
                    sortable._mouseStop( event, true );

                    // Restore sortable behaviors that were modfied
                    // when the draggable entered the sortable area (#9481)
                    sortable.options.revert = sortable.options._revert;
                    sortable.options.helper = sortable.options._helper;

                    if ( sortable.placeholder ) {
                        sortable.placeholder.remove();
                    }

                    // Restore and recalculate the draggable's offset considering the sortable
                    // may have modified them in unexpected ways. (#8809, #10669)
                    ui.helper.appendTo( draggable._parent );
                    draggable._refreshOffsets( event );
                    ui.position = draggable._generatePosition( event, true );

                    draggable._trigger( "fromSortable", event );

                    // Inform draggable that the helper is no longer in a valid drop zone
                    draggable.dropped = false;

                    // Need to refreshPositions of all sortables just in case removing
                    // from one sortable changes the location of other sortables (#9675)
                    $.each( draggable.sortables, function() {
                        this.refreshPositions();
                    } );
                }
            }
        } );
    }
} );

$.ui.plugin.add( "draggable", "cursor", {
    start: function( event, ui, instance ) {
        var t = $( "body" ),
            o = instance.options;

        if ( t.css( "cursor" ) ) {
            o._cursor = t.css( "cursor" );
        }
        t.css( "cursor", o.cursor );
    },
    stop: function( event, ui, instance ) {
        var o = instance.options;
        if ( o._cursor ) {
            $( "body" ).css( "cursor", o._cursor );
        }
    }
} );

$.ui.plugin.add( "draggable", "opacity", {
    start: function( event, ui, instance ) {
        var t = $( ui.helper ),
            o = instance.options;
        if ( t.css( "opacity" ) ) {
            o._opacity = t.css( "opacity" );
        }
        t.css( "opacity", o.opacity );
    },
    stop: function( event, ui, instance ) {
        var o = instance.options;
        if ( o._opacity ) {
            $( ui.helper ).css( "opacity", o._opacity );
        }
    }
} );

$.ui.plugin.add( "draggable", "scroll", {
    start: function( event, ui, i ) {
        if ( !i.scrollParentNotHidden ) {
            i.scrollParentNotHidden = i.helper.scrollParent( false );
        }

        if ( i.scrollParentNotHidden[ 0 ] !== i.document[ 0 ] &&
                i.scrollParentNotHidden[ 0 ].tagName !== "HTML" ) {
            i.overflowOffset = i.scrollParentNotHidden.offset();
        }
    },
    drag: function( event, ui, i  ) {

        var o = i.options,
            scrolled = false,
            scrollParent = i.scrollParentNotHidden[ 0 ],
            document = i.document[ 0 ];

        if ( scrollParent !== document && scrollParent.tagName !== "HTML" ) {
            if ( !o.axis || o.axis !== "x" ) {
                if ( ( i.overflowOffset.top + scrollParent.offsetHeight ) - event.pageY <
                        o.scrollSensitivity ) {
                    scrollParent.scrollTop = scrolled = scrollParent.scrollTop + o.scrollSpeed;
                } else if ( event.pageY - i.overflowOffset.top < o.scrollSensitivity ) {
                    scrollParent.scrollTop = scrolled = scrollParent.scrollTop - o.scrollSpeed;
                }
            }

            if ( !o.axis || o.axis !== "y" ) {
                if ( ( i.overflowOffset.left + scrollParent.offsetWidth ) - event.pageX <
                        o.scrollSensitivity ) {
                    scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft + o.scrollSpeed;
                } else if ( event.pageX - i.overflowOffset.left < o.scrollSensitivity ) {
                    scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft - o.scrollSpeed;
                }
            }

        } else {

            if ( !o.axis || o.axis !== "x" ) {
                if ( event.pageY - $( document ).scrollTop() < o.scrollSensitivity ) {
                    scrolled = $( document ).scrollTop( $( document ).scrollTop() - o.scrollSpeed );
                } else if ( $( window ).height() - ( event.pageY - $( document ).scrollTop() ) <
                        o.scrollSensitivity ) {
                    scrolled = $( document ).scrollTop( $( document ).scrollTop() + o.scrollSpeed );
                }
            }

            if ( !o.axis || o.axis !== "y" ) {
                if ( event.pageX - $( document ).scrollLeft() < o.scrollSensitivity ) {
                    scrolled = $( document ).scrollLeft(
                        $( document ).scrollLeft() - o.scrollSpeed
                    );
                } else if ( $( window ).width() - ( event.pageX - $( document ).scrollLeft() ) <
                        o.scrollSensitivity ) {
                    scrolled = $( document ).scrollLeft(
                        $( document ).scrollLeft() + o.scrollSpeed
                    );
                }
            }

        }

        if ( scrolled !== false && $.ui.ddmanager && !o.dropBehaviour ) {
            $.ui.ddmanager.prepareOffsets( i, event );
        }

    }
} );

$.ui.plugin.add( "draggable", "snap", {
    start: function( event, ui, i ) {

        var o = i.options;

        i.snapElements = [];

        $( o.snap.constructor !== String ? ( o.snap.items || ":data(ui-draggable)" ) : o.snap )
            .each( function() {
                var $t = $( this ),
                    $o = $t.offset();
                if ( this !== i.element[ 0 ] ) {
                    i.snapElements.push( {
                        item: this,
                        width: $t.outerWidth(), height: $t.outerHeight(),
                        top: $o.top, left: $o.left
                    } );
                }
            } );

    },
    drag: function( event, ui, inst ) {

        var ts, bs, ls, rs, l, r, t, b, i, first,
            o = inst.options,
            d = o.snapTolerance,
            x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
            y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height;

        for ( i = inst.snapElements.length - 1; i >= 0; i-- ) {

            l = inst.snapElements[ i ].left - inst.margins.left;
            r = l + inst.snapElements[ i ].width;
            t = inst.snapElements[ i ].top - inst.margins.top;
            b = t + inst.snapElements[ i ].height;

            if ( x2 < l - d || x1 > r + d || y2 < t - d || y1 > b + d ||
                    !$.contains( inst.snapElements[ i ].item.ownerDocument,
                    inst.snapElements[ i ].item ) ) {
                if ( inst.snapElements[ i ].snapping ) {
                    ( inst.options.snap.release &&
                        inst.options.snap.release.call(
                            inst.element,
                            event,
                            $.extend( inst._uiHash(), { snapItem: inst.snapElements[ i ].item } )
                        ) );
                }
                inst.snapElements[ i ].snapping = false;
                continue;
            }

            if ( o.snapMode !== "inner" ) {
                ts = Math.abs( t - y2 ) <= d;
                bs = Math.abs( b - y1 ) <= d;
                ls = Math.abs( l - x2 ) <= d;
                rs = Math.abs( r - x1 ) <= d;
                if ( ts ) {
                    ui.position.top = inst._convertPositionTo( "relative", {
                        top: t - inst.helperProportions.height,
                        left: 0
                    } ).top;
                }
                if ( bs ) {
                    ui.position.top = inst._convertPositionTo( "relative", {
                        top: b,
                        left: 0
                    } ).top;
                }
                if ( ls ) {
                    ui.position.left = inst._convertPositionTo( "relative", {
                        top: 0,
                        left: l - inst.helperProportions.width
                    } ).left;
                }
                if ( rs ) {
                    ui.position.left = inst._convertPositionTo( "relative", {
                        top: 0,
                        left: r
                    } ).left;
                }
            }

            first = ( ts || bs || ls || rs );

            if ( o.snapMode !== "outer" ) {
                ts = Math.abs( t - y1 ) <= d;
                bs = Math.abs( b - y2 ) <= d;
                ls = Math.abs( l - x1 ) <= d;
                rs = Math.abs( r - x2 ) <= d;
                if ( ts ) {
                    ui.position.top = inst._convertPositionTo( "relative", {
                        top: t,
                        left: 0
                    } ).top;
                }
                if ( bs ) {
                    ui.position.top = inst._convertPositionTo( "relative", {
                        top: b - inst.helperProportions.height,
                        left: 0
                    } ).top;
                }
                if ( ls ) {
                    ui.position.left = inst._convertPositionTo( "relative", {
                        top: 0,
                        left: l
                    } ).left;
                }
                if ( rs ) {
                    ui.position.left = inst._convertPositionTo( "relative", {
                        top: 0,
                        left: r - inst.helperProportions.width
                    } ).left;
                }
            }

            if ( !inst.snapElements[ i ].snapping && ( ts || bs || ls || rs || first ) ) {
                ( inst.options.snap.snap &&
                    inst.options.snap.snap.call(
                        inst.element,
                        event,
                        $.extend( inst._uiHash(), {
                            snapItem: inst.snapElements[ i ].item
                        } ) ) );
            }
            inst.snapElements[ i ].snapping = ( ts || bs || ls || rs || first );

        }

    }
} );

$.ui.plugin.add( "draggable", "stack", {
    start: function( event, ui, instance ) {
        var min,
            o = instance.options,
            group = $.makeArray( $( o.stack ) ).sort( function( a, b ) {
                return ( parseInt( $( a ).css( "zIndex" ), 10 ) || 0 ) -
                    ( parseInt( $( b ).css( "zIndex" ), 10 ) || 0 );
            } );

        if ( !group.length ) { return; }

        min = parseInt( $( group[ 0 ] ).css( "zIndex" ), 10 ) || 0;
        $( group ).each( function( i ) {
            $( this ).css( "zIndex", min + i );
        } );
        this.css( "zIndex", ( min + group.length ) );
    }
} );

$.ui.plugin.add( "draggable", "zIndex", {
    start: function( event, ui, instance ) {
        var t = $( ui.helper ),
            o = instance.options;

        if ( t.css( "zIndex" ) ) {
            o._zIndex = t.css( "zIndex" );
        }
        t.css( "zIndex", o.zIndex );
    },
    stop: function( event, ui, instance ) {
        var o = instance.options;

        if ( o._zIndex ) {
            $( ui.helper ).css( "zIndex", o._zIndex );
        }
    }
} );

var widgetsDraggable = $.ui.draggable;


//>>label: Resizable
//>>group: Interactions
//>>description: Enables resize functionality for any element.
//>>docs: http://api.jqueryui.com/resizable/
//>>demos: http://jqueryui.com/resizable/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/resizable.css
//>>css.theme: ../../themes/base/theme.css



$.widget( "ui.resizable", $.ui.mouse, {
    version: "1.12.1",
    widgetEventPrefix: "resize",
    options: {
        alsoResize: false,
        animate: false,
        animateDuration: "slow",
        animateEasing: "swing",
        aspectRatio: false,
        autoHide: false,
        classes: {
            "ui-resizable-se": "ui-icon ui-icon-gripsmall-diagonal-se"
        },
        containment: false,
        ghost: false,
        grid: false,
        handles: "e,s,se",
        helper: false,
        maxHeight: null,
        maxWidth: null,
        minHeight: 10,
        minWidth: 10,

        // See #7960
        zIndex: 90,

        // Callbacks
        resize: null,
        start: null,
        stop: null
    },

    _num: function( value ) {
        return parseFloat( value ) || 0;
    },

    _isNumber: function( value ) {
        return !isNaN( parseFloat( value ) );
    },

    _hasScroll: function( el, a ) {

        if ( $( el ).css( "overflow" ) === "hidden" ) {
            return false;
        }

        var scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop",
            has = false;

        if ( el[ scroll ] > 0 ) {
            return true;
        }

        // TODO: determine which cases actually cause this to happen
        // if the element doesn't have the scroll set, see if it's possible to
        // set the scroll
        el[ scroll ] = 1;
        has = ( el[ scroll ] > 0 );
        el[ scroll ] = 0;
        return has;
    },

    _create: function() {

        var margins,
            o = this.options,
            that = this;
        this._addClass( "ui-resizable" );

        $.extend( this, {
            _aspectRatio: !!( o.aspectRatio ),
            aspectRatio: o.aspectRatio,
            originalElement: this.element,
            _proportionallyResizeElements: [],
            _helper: o.helper || o.ghost || o.animate ? o.helper || "ui-resizable-helper" : null
        } );

        // Wrap the element if it cannot hold child nodes
        if ( this.element[ 0 ].nodeName.match( /^(canvas|textarea|input|select|button|img)$/i ) ) {

            this.element.wrap(
                $( "<div class='ui-wrapper' style='overflow: hidden;'></div>" ).css( {
                    position: this.element.css( "position" ),
                    width: this.element.outerWidth(),
                    height: this.element.outerHeight(),
                    top: this.element.css( "top" ),
                    left: this.element.css( "left" )
                } )
            );

            this.element = this.element.parent().data(
                "ui-resizable", this.element.resizable( "instance" )
            );

            this.elementIsWrapper = true;

            margins = {
                marginTop: this.originalElement.css( "marginTop" ),
                marginRight: this.originalElement.css( "marginRight" ),
                marginBottom: this.originalElement.css( "marginBottom" ),
                marginLeft: this.originalElement.css( "marginLeft" )
            };

            this.element.css( margins );
            this.originalElement.css( "margin", 0 );

            // support: Safari
            // Prevent Safari textarea resize
            this.originalResizeStyle = this.originalElement.css( "resize" );
            this.originalElement.css( "resize", "none" );

            this._proportionallyResizeElements.push( this.originalElement.css( {
                position: "static",
                zoom: 1,
                display: "block"
            } ) );

            // Support: IE9
            // avoid IE jump (hard set the margin)
            this.originalElement.css( margins );

            this._proportionallyResize();
        }

        this._setupHandles();

        if ( o.autoHide ) {
            $( this.element )
                .on( "mouseenter", function() {
                    if ( o.disabled ) {
                        return;
                    }
                    that._removeClass( "ui-resizable-autohide" );
                    that._handles.show();
                } )
                .on( "mouseleave", function() {
                    if ( o.disabled ) {
                        return;
                    }
                    if ( !that.resizing ) {
                        that._addClass( "ui-resizable-autohide" );
                        that._handles.hide();
                    }
                } );
        }

        this._mouseInit();
    },

    _destroy: function() {

        this._mouseDestroy();

        var wrapper,
            _destroy = function( exp ) {
                $( exp )
                    .removeData( "resizable" )
                    .removeData( "ui-resizable" )
                    .off( ".resizable" )
                    .find( ".ui-resizable-handle" )
                        .remove();
            };

        // TODO: Unwrap at same DOM position
        if ( this.elementIsWrapper ) {
            _destroy( this.element );
            wrapper = this.element;
            this.originalElement.css( {
                position: wrapper.css( "position" ),
                width: wrapper.outerWidth(),
                height: wrapper.outerHeight(),
                top: wrapper.css( "top" ),
                left: wrapper.css( "left" )
            } ).insertAfter( wrapper );
            wrapper.remove();
        }

        this.originalElement.css( "resize", this.originalResizeStyle );
        _destroy( this.originalElement );

        return this;
    },

    _setOption: function( key, value ) {
        this._super( key, value );

        switch ( key ) {
        case "handles":
            this._removeHandles();
            this._setupHandles();
            break;
        default:
            break;
        }
    },

    _setupHandles: function() {
        var o = this.options, handle, i, n, hname, axis, that = this;
        this.handles = o.handles ||
            ( !$( ".ui-resizable-handle", this.element ).length ?
                "e,s,se" : {
                    n: ".ui-resizable-n",
                    e: ".ui-resizable-e",
                    s: ".ui-resizable-s",
                    w: ".ui-resizable-w",
                    se: ".ui-resizable-se",
                    sw: ".ui-resizable-sw",
                    ne: ".ui-resizable-ne",
                    nw: ".ui-resizable-nw"
                } );

        this._handles = $();
        if ( this.handles.constructor === String ) {

            if ( this.handles === "all" ) {
                this.handles = "n,e,s,w,se,sw,ne,nw";
            }

            n = this.handles.split( "," );
            this.handles = {};

            for ( i = 0; i < n.length; i++ ) {

                handle = $.trim( n[ i ] );
                hname = "ui-resizable-" + handle;
                axis = $( "<div>" );
                this._addClass( axis, "ui-resizable-handle " + hname );

                axis.css( { zIndex: o.zIndex } );

                this.handles[ handle ] = ".ui-resizable-" + handle;
                this.element.append( axis );
            }

        }

        this._renderAxis = function( target ) {

            var i, axis, padPos, padWrapper;

            target = target || this.element;

            for ( i in this.handles ) {

                if ( this.handles[ i ].constructor === String ) {
                    this.handles[ i ] = this.element.children( this.handles[ i ] ).first().show();
                } else if ( this.handles[ i ].jquery || this.handles[ i ].nodeType ) {
                    this.handles[ i ] = $( this.handles[ i ] );
                    this._on( this.handles[ i ], { "mousedown": that._mouseDown } );
                }

                if ( this.elementIsWrapper &&
                        this.originalElement[ 0 ]
                            .nodeName
                            .match( /^(textarea|input|select|button)$/i ) ) {
                    axis = $( this.handles[ i ], this.element );

                    padWrapper = /sw|ne|nw|se|n|s/.test( i ) ?
                        axis.outerHeight() :
                        axis.outerWidth();

                    padPos = [ "padding",
                        /ne|nw|n/.test( i ) ? "Top" :
                        /se|sw|s/.test( i ) ? "Bottom" :
                        /^e$/.test( i ) ? "Right" : "Left" ].join( "" );

                    target.css( padPos, padWrapper );

                    this._proportionallyResize();
                }

                this._handles = this._handles.add( this.handles[ i ] );
            }
        };

        // TODO: make renderAxis a prototype function
        this._renderAxis( this.element );

        this._handles = this._handles.add( this.element.find( ".ui-resizable-handle" ) );
        this._handles.disableSelection();

        this._handles.on( "mouseover", function() {
            if ( !that.resizing ) {
                if ( this.className ) {
                    axis = this.className.match( /ui-resizable-(se|sw|ne|nw|n|e|s|w)/i );
                }
                that.axis = axis && axis[ 1 ] ? axis[ 1 ] : "se";
            }
        } );

        if ( o.autoHide ) {
            this._handles.hide();
            this._addClass( "ui-resizable-autohide" );
        }
    },

    _removeHandles: function() {
        this._handles.remove();
    },

    _mouseCapture: function( event ) {
        var i, handle,
            capture = false;

        for ( i in this.handles ) {
            handle = $( this.handles[ i ] )[ 0 ];
            if ( handle === event.target || $.contains( handle, event.target ) ) {
                capture = true;
            }
        }

        return !this.options.disabled && capture;
    },

    _mouseStart: function( event ) {

        var curleft, curtop, cursor,
            o = this.options,
            el = this.element;

        this.resizing = true;

        this._renderProxy();

        curleft = this._num( this.helper.css( "left" ) );
        curtop = this._num( this.helper.css( "top" ) );

        if ( o.containment ) {
            curleft += $( o.containment ).scrollLeft() || 0;
            curtop += $( o.containment ).scrollTop() || 0;
        }

        this.offset = this.helper.offset();
        this.position = { left: curleft, top: curtop };

        this.size = this._helper ? {
                width: this.helper.width(),
                height: this.helper.height()
            } : {
                width: el.width(),
                height: el.height()
            };

        this.originalSize = this._helper ? {
                width: el.outerWidth(),
                height: el.outerHeight()
            } : {
                width: el.width(),
                height: el.height()
            };

        this.sizeDiff = {
            width: el.outerWidth() - el.width(),
            height: el.outerHeight() - el.height()
        };

        this.originalPosition = { left: curleft, top: curtop };
        this.originalMousePosition = { left: event.pageX, top: event.pageY };

        this.aspectRatio = ( typeof o.aspectRatio === "number" ) ?
            o.aspectRatio :
            ( ( this.originalSize.width / this.originalSize.height ) || 1 );

        cursor = $( ".ui-resizable-" + this.axis ).css( "cursor" );
        $( "body" ).css( "cursor", cursor === "auto" ? this.axis + "-resize" : cursor );

        this._addClass( "ui-resizable-resizing" );
        this._propagate( "start", event );
        return true;
    },

    _mouseDrag: function( event ) {

        var data, props,
            smp = this.originalMousePosition,
            a = this.axis,
            dx = ( event.pageX - smp.left ) || 0,
            dy = ( event.pageY - smp.top ) || 0,
            trigger = this._change[ a ];

        this._updatePrevProperties();

        if ( !trigger ) {
            return false;
        }

        data = trigger.apply( this, [ event, dx, dy ] );

        this._updateVirtualBoundaries( event.shiftKey );
        if ( this._aspectRatio || event.shiftKey ) {
            data = this._updateRatio( data, event );
        }

        data = this._respectSize( data, event );

        this._updateCache( data );

        this._propagate( "resize", event );

        props = this._applyChanges();

        if ( !this._helper && this._proportionallyResizeElements.length ) {
            this._proportionallyResize();
        }

        if ( !$.isEmptyObject( props ) ) {
            this._updatePrevProperties();
            this._trigger( "resize", event, this.ui() );
            this._applyChanges();
        }

        return false;
    },

    _mouseStop: function( event ) {

        this.resizing = false;
        var pr, ista, soffseth, soffsetw, s, left, top,
            o = this.options, that = this;

        if ( this._helper ) {

            pr = this._proportionallyResizeElements;
            ista = pr.length && ( /textarea/i ).test( pr[ 0 ].nodeName );
            soffseth = ista && this._hasScroll( pr[ 0 ], "left" ) ? 0 : that.sizeDiff.height;
            soffsetw = ista ? 0 : that.sizeDiff.width;

            s = {
                width: ( that.helper.width()  - soffsetw ),
                height: ( that.helper.height() - soffseth )
            };
            left = ( parseFloat( that.element.css( "left" ) ) +
                ( that.position.left - that.originalPosition.left ) ) || null;
            top = ( parseFloat( that.element.css( "top" ) ) +
                ( that.position.top - that.originalPosition.top ) ) || null;

            if ( !o.animate ) {
                this.element.css( $.extend( s, { top: top, left: left } ) );
            }

            that.helper.height( that.size.height );
            that.helper.width( that.size.width );

            if ( this._helper && !o.animate ) {
                this._proportionallyResize();
            }
        }

        $( "body" ).css( "cursor", "auto" );

        this._removeClass( "ui-resizable-resizing" );

        this._propagate( "stop", event );

        if ( this._helper ) {
            this.helper.remove();
        }

        return false;

    },

    _updatePrevProperties: function() {
        this.prevPosition = {
            top: this.position.top,
            left: this.position.left
        };
        this.prevSize = {
            width: this.size.width,
            height: this.size.height
        };
    },

    _applyChanges: function() {
        var props = {};

        if ( this.position.top !== this.prevPosition.top ) {
            props.top = this.position.top + "px";
        }
        if ( this.position.left !== this.prevPosition.left ) {
            props.left = this.position.left + "px";
        }
        if ( this.size.width !== this.prevSize.width ) {
            props.width = this.size.width + "px";
        }
        if ( this.size.height !== this.prevSize.height ) {
            props.height = this.size.height + "px";
        }

        this.helper.css( props );

        return props;
    },

    _updateVirtualBoundaries: function( forceAspectRatio ) {
        var pMinWidth, pMaxWidth, pMinHeight, pMaxHeight, b,
            o = this.options;

        b = {
            minWidth: this._isNumber( o.minWidth ) ? o.minWidth : 0,
            maxWidth: this._isNumber( o.maxWidth ) ? o.maxWidth : Infinity,
            minHeight: this._isNumber( o.minHeight ) ? o.minHeight : 0,
            maxHeight: this._isNumber( o.maxHeight ) ? o.maxHeight : Infinity
        };

        if ( this._aspectRatio || forceAspectRatio ) {
            pMinWidth = b.minHeight * this.aspectRatio;
            pMinHeight = b.minWidth / this.aspectRatio;
            pMaxWidth = b.maxHeight * this.aspectRatio;
            pMaxHeight = b.maxWidth / this.aspectRatio;

            if ( pMinWidth > b.minWidth ) {
                b.minWidth = pMinWidth;
            }
            if ( pMinHeight > b.minHeight ) {
                b.minHeight = pMinHeight;
            }
            if ( pMaxWidth < b.maxWidth ) {
                b.maxWidth = pMaxWidth;
            }
            if ( pMaxHeight < b.maxHeight ) {
                b.maxHeight = pMaxHeight;
            }
        }
        this._vBoundaries = b;
    },

    _updateCache: function( data ) {
        this.offset = this.helper.offset();
        if ( this._isNumber( data.left ) ) {
            this.position.left = data.left;
        }
        if ( this._isNumber( data.top ) ) {
            this.position.top = data.top;
        }
        if ( this._isNumber( data.height ) ) {
            this.size.height = data.height;
        }
        if ( this._isNumber( data.width ) ) {
            this.size.width = data.width;
        }
    },

    _updateRatio: function( data ) {

        var cpos = this.position,
            csize = this.size,
            a = this.axis;

        if ( this._isNumber( data.height ) ) {
            data.width = ( data.height * this.aspectRatio );
        } else if ( this._isNumber( data.width ) ) {
            data.height = ( data.width / this.aspectRatio );
        }

        if ( a === "sw" ) {
            data.left = cpos.left + ( csize.width - data.width );
            data.top = null;
        }
        if ( a === "nw" ) {
            data.top = cpos.top + ( csize.height - data.height );
            data.left = cpos.left + ( csize.width - data.width );
        }

        return data;
    },

    _respectSize: function( data ) {

        var o = this._vBoundaries,
            a = this.axis,
            ismaxw = this._isNumber( data.width ) && o.maxWidth && ( o.maxWidth < data.width ),
            ismaxh = this._isNumber( data.height ) && o.maxHeight && ( o.maxHeight < data.height ),
            isminw = this._isNumber( data.width ) && o.minWidth && ( o.minWidth > data.width ),
            isminh = this._isNumber( data.height ) && o.minHeight && ( o.minHeight > data.height ),
            dw = this.originalPosition.left + this.originalSize.width,
            dh = this.originalPosition.top + this.originalSize.height,
            cw = /sw|nw|w/.test( a ), ch = /nw|ne|n/.test( a );
        if ( isminw ) {
            data.width = o.minWidth;
        }
        if ( isminh ) {
            data.height = o.minHeight;
        }
        if ( ismaxw ) {
            data.width = o.maxWidth;
        }
        if ( ismaxh ) {
            data.height = o.maxHeight;
        }

        if ( isminw && cw ) {
            data.left = dw - o.minWidth;
        }
        if ( ismaxw && cw ) {
            data.left = dw - o.maxWidth;
        }
        if ( isminh && ch ) {
            data.top = dh - o.minHeight;
        }
        if ( ismaxh && ch ) {
            data.top = dh - o.maxHeight;
        }

        // Fixing jump error on top/left - bug #2330
        if ( !data.width && !data.height && !data.left && data.top ) {
            data.top = null;
        } else if ( !data.width && !data.height && !data.top && data.left ) {
            data.left = null;
        }

        return data;
    },

    _getPaddingPlusBorderDimensions: function( element ) {
        var i = 0,
            widths = [],
            borders = [
                element.css( "borderTopWidth" ),
                element.css( "borderRightWidth" ),
                element.css( "borderBottomWidth" ),
                element.css( "borderLeftWidth" )
            ],
            paddings = [
                element.css( "paddingTop" ),
                element.css( "paddingRight" ),
                element.css( "paddingBottom" ),
                element.css( "paddingLeft" )
            ];

        for ( ; i < 4; i++ ) {
            widths[ i ] = ( parseFloat( borders[ i ] ) || 0 );
            widths[ i ] += ( parseFloat( paddings[ i ] ) || 0 );
        }

        return {
            height: widths[ 0 ] + widths[ 2 ],
            width: widths[ 1 ] + widths[ 3 ]
        };
    },

    _proportionallyResize: function() {

        if ( !this._proportionallyResizeElements.length ) {
            return;
        }

        var prel,
            i = 0,
            element = this.helper || this.element;

        for ( ; i < this._proportionallyResizeElements.length; i++ ) {

            prel = this._proportionallyResizeElements[ i ];

            // TODO: Seems like a bug to cache this.outerDimensions
            // considering that we are in a loop.
            if ( !this.outerDimensions ) {
                this.outerDimensions = this._getPaddingPlusBorderDimensions( prel );
            }

            prel.css( {
                height: ( element.height() - this.outerDimensions.height ) || 0,
                width: ( element.width() - this.outerDimensions.width ) || 0
            } );

        }

    },

    _renderProxy: function() {

        var el = this.element, o = this.options;
        this.elementOffset = el.offset();

        if ( this._helper ) {

            this.helper = this.helper || $( "<div style='overflow:hidden;'></div>" );

            this._addClass( this.helper, this._helper );
            this.helper.css( {
                width: this.element.outerWidth(),
                height: this.element.outerHeight(),
                position: "absolute",
                left: this.elementOffset.left + "px",
                top: this.elementOffset.top + "px",
                zIndex: ++o.zIndex //TODO: Don't modify option
            } );

            this.helper
                .appendTo( "body" )
                .disableSelection();

        } else {
            this.helper = this.element;
        }

    },

    _change: {
        e: function( event, dx ) {
            return { width: this.originalSize.width + dx };
        },
        w: function( event, dx ) {
            var cs = this.originalSize, sp = this.originalPosition;
            return { left: sp.left + dx, width: cs.width - dx };
        },
        n: function( event, dx, dy ) {
            var cs = this.originalSize, sp = this.originalPosition;
            return { top: sp.top + dy, height: cs.height - dy };
        },
        s: function( event, dx, dy ) {
            return { height: this.originalSize.height + dy };
        },
        se: function( event, dx, dy ) {
            return $.extend( this._change.s.apply( this, arguments ),
                this._change.e.apply( this, [ event, dx, dy ] ) );
        },
        sw: function( event, dx, dy ) {
            return $.extend( this._change.s.apply( this, arguments ),
                this._change.w.apply( this, [ event, dx, dy ] ) );
        },
        ne: function( event, dx, dy ) {
            return $.extend( this._change.n.apply( this, arguments ),
                this._change.e.apply( this, [ event, dx, dy ] ) );
        },
        nw: function( event, dx, dy ) {
            return $.extend( this._change.n.apply( this, arguments ),
                this._change.w.apply( this, [ event, dx, dy ] ) );
        }
    },

    _propagate: function( n, event ) {
        $.ui.plugin.call( this, n, [ event, this.ui() ] );
        ( n !== "resize" && this._trigger( n, event, this.ui() ) );
    },

    plugins: {},

    ui: function() {
        return {
            originalElement: this.originalElement,
            element: this.element,
            helper: this.helper,
            position: this.position,
            size: this.size,
            originalSize: this.originalSize,
            originalPosition: this.originalPosition
        };
    }

} );

/*
 * Resizable Extensions
 */

$.ui.plugin.add( "resizable", "animate", {

    stop: function( event ) {
        var that = $( this ).resizable( "instance" ),
            o = that.options,
            pr = that._proportionallyResizeElements,
            ista = pr.length && ( /textarea/i ).test( pr[ 0 ].nodeName ),
            soffseth = ista && that._hasScroll( pr[ 0 ], "left" ) ? 0 : that.sizeDiff.height,
            soffsetw = ista ? 0 : that.sizeDiff.width,
            style = {
                width: ( that.size.width - soffsetw ),
                height: ( that.size.height - soffseth )
            },
            left = ( parseFloat( that.element.css( "left" ) ) +
                ( that.position.left - that.originalPosition.left ) ) || null,
            top = ( parseFloat( that.element.css( "top" ) ) +
                ( that.position.top - that.originalPosition.top ) ) || null;

        that.element.animate(
            $.extend( style, top && left ? { top: top, left: left } : {} ), {
                duration: o.animateDuration,
                easing: o.animateEasing,
                step: function() {

                    var data = {
                        width: parseFloat( that.element.css( "width" ) ),
                        height: parseFloat( that.element.css( "height" ) ),
                        top: parseFloat( that.element.css( "top" ) ),
                        left: parseFloat( that.element.css( "left" ) )
                    };

                    if ( pr && pr.length ) {
                        $( pr[ 0 ] ).css( { width: data.width, height: data.height } );
                    }

                    // Propagating resize, and updating values for each animation step
                    that._updateCache( data );
                    that._propagate( "resize", event );

                }
            }
        );
    }

} );

$.ui.plugin.add( "resizable", "containment", {

    start: function() {
        var element, p, co, ch, cw, width, height,
            that = $( this ).resizable( "instance" ),
            o = that.options,
            el = that.element,
            oc = o.containment,
            ce = ( oc instanceof $ ) ?
                oc.get( 0 ) :
                ( /parent/.test( oc ) ) ? el.parent().get( 0 ) : oc;

        if ( !ce ) {
            return;
        }

        that.containerElement = $( ce );

        if ( /document/.test( oc ) || oc === document ) {
            that.containerOffset = {
                left: 0,
                top: 0
            };
            that.containerPosition = {
                left: 0,
                top: 0
            };

            that.parentData = {
                element: $( document ),
                left: 0,
                top: 0,
                width: $( document ).width(),
                height: $( document ).height() || document.body.parentNode.scrollHeight
            };
        } else {
            element = $( ce );
            p = [];
            $( [ "Top", "Right", "Left", "Bottom" ] ).each( function( i, name ) {
                p[ i ] = that._num( element.css( "padding" + name ) );
            } );

            that.containerOffset = element.offset();
            that.containerPosition = element.position();
            that.containerSize = {
                height: ( element.innerHeight() - p[ 3 ] ),
                width: ( element.innerWidth() - p[ 1 ] )
            };

            co = that.containerOffset;
            ch = that.containerSize.height;
            cw = that.containerSize.width;
            width = ( that._hasScroll ( ce, "left" ) ? ce.scrollWidth : cw );
            height = ( that._hasScroll ( ce ) ? ce.scrollHeight : ch ) ;

            that.parentData = {
                element: ce,
                left: co.left,
                top: co.top,
                width: width,
                height: height
            };
        }
    },

    resize: function( event ) {
        var woset, hoset, isParent, isOffsetRelative,
            that = $( this ).resizable( "instance" ),
            o = that.options,
            co = that.containerOffset,
            cp = that.position,
            pRatio = that._aspectRatio || event.shiftKey,
            cop = {
                top: 0,
                left: 0
            },
            ce = that.containerElement,
            continueResize = true;

        if ( ce[ 0 ] !== document && ( /static/ ).test( ce.css( "position" ) ) ) {
            cop = co;
        }

        if ( cp.left < ( that._helper ? co.left : 0 ) ) {
            that.size.width = that.size.width +
                ( that._helper ?
                    ( that.position.left - co.left ) :
                    ( that.position.left - cop.left ) );

            if ( pRatio ) {
                that.size.height = that.size.width / that.aspectRatio;
                continueResize = false;
            }
            that.position.left = o.helper ? co.left : 0;
        }

        if ( cp.top < ( that._helper ? co.top : 0 ) ) {
            that.size.height = that.size.height +
                ( that._helper ?
                    ( that.position.top - co.top ) :
                    that.position.top );

            if ( pRatio ) {
                that.size.width = that.size.height * that.aspectRatio;
                continueResize = false;
            }
            that.position.top = that._helper ? co.top : 0;
        }

        isParent = that.containerElement.get( 0 ) === that.element.parent().get( 0 );
        isOffsetRelative = /relative|absolute/.test( that.containerElement.css( "position" ) );

        if ( isParent && isOffsetRelative ) {
            that.offset.left = that.parentData.left + that.position.left;
            that.offset.top = that.parentData.top + that.position.top;
        } else {
            that.offset.left = that.element.offset().left;
            that.offset.top = that.element.offset().top;
        }

        woset = Math.abs( that.sizeDiff.width +
            ( that._helper ?
                that.offset.left - cop.left :
                ( that.offset.left - co.left ) ) );

        hoset = Math.abs( that.sizeDiff.height +
            ( that._helper ?
                that.offset.top - cop.top :
                ( that.offset.top - co.top ) ) );

        if ( woset + that.size.width >= that.parentData.width ) {
            that.size.width = that.parentData.width - woset;
            if ( pRatio ) {
                that.size.height = that.size.width / that.aspectRatio;
                continueResize = false;
            }
        }

        if ( hoset + that.size.height >= that.parentData.height ) {
            that.size.height = that.parentData.height - hoset;
            if ( pRatio ) {
                that.size.width = that.size.height * that.aspectRatio;
                continueResize = false;
            }
        }

        if ( !continueResize ) {
            that.position.left = that.prevPosition.left;
            that.position.top = that.prevPosition.top;
            that.size.width = that.prevSize.width;
            that.size.height = that.prevSize.height;
        }
    },

    stop: function() {
        var that = $( this ).resizable( "instance" ),
            o = that.options,
            co = that.containerOffset,
            cop = that.containerPosition,
            ce = that.containerElement,
            helper = $( that.helper ),
            ho = helper.offset(),
            w = helper.outerWidth() - that.sizeDiff.width,
            h = helper.outerHeight() - that.sizeDiff.height;

        if ( that._helper && !o.animate && ( /relative/ ).test( ce.css( "position" ) ) ) {
            $( this ).css( {
                left: ho.left - cop.left - co.left,
                width: w,
                height: h
            } );
        }

        if ( that._helper && !o.animate && ( /static/ ).test( ce.css( "position" ) ) ) {
            $( this ).css( {
                left: ho.left - cop.left - co.left,
                width: w,
                height: h
            } );
        }
    }
} );

$.ui.plugin.add( "resizable", "alsoResize", {

    start: function() {
        var that = $( this ).resizable( "instance" ),
            o = that.options;

        $( o.alsoResize ).each( function() {
            var el = $( this );
            el.data( "ui-resizable-alsoresize", {
                width: parseFloat( el.width() ), height: parseFloat( el.height() ),
                left: parseFloat( el.css( "left" ) ), top: parseFloat( el.css( "top" ) )
            } );
        } );
    },

    resize: function( event, ui ) {
        var that = $( this ).resizable( "instance" ),
            o = that.options,
            os = that.originalSize,
            op = that.originalPosition,
            delta = {
                height: ( that.size.height - os.height ) || 0,
                width: ( that.size.width - os.width ) || 0,
                top: ( that.position.top - op.top ) || 0,
                left: ( that.position.left - op.left ) || 0
            };

            $( o.alsoResize ).each( function() {
                var el = $( this ), start = $( this ).data( "ui-resizable-alsoresize" ), style = {},
                    css = el.parents( ui.originalElement[ 0 ] ).length ?
                            [ "width", "height" ] :
                            [ "width", "height", "top", "left" ];

                $.each( css, function( i, prop ) {
                    var sum = ( start[ prop ] || 0 ) + ( delta[ prop ] || 0 );
                    if ( sum && sum >= 0 ) {
                        style[ prop ] = sum || null;
                    }
                } );

                el.css( style );
            } );
    },

    stop: function() {
        $( this ).removeData( "ui-resizable-alsoresize" );
    }
} );

$.ui.plugin.add( "resizable", "ghost", {

    start: function() {

        var that = $( this ).resizable( "instance" ), cs = that.size;

        that.ghost = that.originalElement.clone();
        that.ghost.css( {
            opacity: 0.25,
            display: "block",
            position: "relative",
            height: cs.height,
            width: cs.width,
            margin: 0,
            left: 0,
            top: 0
        } );

        that._addClass( that.ghost, "ui-resizable-ghost" );

        // DEPRECATED
        // TODO: remove after 1.12
        if ( $.uiBackCompat !== false && typeof that.options.ghost === "string" ) {

            // Ghost option
            that.ghost.addClass( this.options.ghost );
        }

        that.ghost.appendTo( that.helper );

    },

    resize: function() {
        var that = $( this ).resizable( "instance" );
        if ( that.ghost ) {
            that.ghost.css( {
                position: "relative",
                height: that.size.height,
                width: that.size.width
            } );
        }
    },

    stop: function() {
        var that = $( this ).resizable( "instance" );
        if ( that.ghost && that.helper ) {
            that.helper.get( 0 ).removeChild( that.ghost.get( 0 ) );
        }
    }

} );

$.ui.plugin.add( "resizable", "grid", {

    resize: function() {
        var outerDimensions,
            that = $( this ).resizable( "instance" ),
            o = that.options,
            cs = that.size,
            os = that.originalSize,
            op = that.originalPosition,
            a = that.axis,
            grid = typeof o.grid === "number" ? [ o.grid, o.grid ] : o.grid,
            gridX = ( grid[ 0 ] || 1 ),
            gridY = ( grid[ 1 ] || 1 ),
            ox = Math.round( ( cs.width - os.width ) / gridX ) * gridX,
            oy = Math.round( ( cs.height - os.height ) / gridY ) * gridY,
            newWidth = os.width + ox,
            newHeight = os.height + oy,
            isMaxWidth = o.maxWidth && ( o.maxWidth < newWidth ),
            isMaxHeight = o.maxHeight && ( o.maxHeight < newHeight ),
            isMinWidth = o.minWidth && ( o.minWidth > newWidth ),
            isMinHeight = o.minHeight && ( o.minHeight > newHeight );

        o.grid = grid;

        if ( isMinWidth ) {
            newWidth += gridX;
        }
        if ( isMinHeight ) {
            newHeight += gridY;
        }
        if ( isMaxWidth ) {
            newWidth -= gridX;
        }
        if ( isMaxHeight ) {
            newHeight -= gridY;
        }

        if ( /^(se|s|e)$/.test( a ) ) {
            that.size.width = newWidth;
            that.size.height = newHeight;
        } else if ( /^(ne)$/.test( a ) ) {
            that.size.width = newWidth;
            that.size.height = newHeight;
            that.position.top = op.top - oy;
        } else if ( /^(sw)$/.test( a ) ) {
            that.size.width = newWidth;
            that.size.height = newHeight;
            that.position.left = op.left - ox;
        } else {
            if ( newHeight - gridY <= 0 || newWidth - gridX <= 0 ) {
                outerDimensions = that._getPaddingPlusBorderDimensions( this );
            }

            if ( newHeight - gridY > 0 ) {
                that.size.height = newHeight;
                that.position.top = op.top - oy;
            } else {
                newHeight = gridY - outerDimensions.height;
                that.size.height = newHeight;
                that.position.top = op.top + os.height - newHeight;
            }
            if ( newWidth - gridX > 0 ) {
                that.size.width = newWidth;
                that.position.left = op.left - ox;
            } else {
                newWidth = gridX - outerDimensions.width;
                that.size.width = newWidth;
                that.position.left = op.left + os.width - newWidth;
            }
        }
    }

} );

var widgetsResizable = $.ui.resizable;


//>>label: Dialog
//>>group: Widgets
//>>description: Displays customizable dialog windows.
//>>docs: http://api.jqueryui.com/dialog/
//>>demos: http://jqueryui.com/dialog/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/dialog.css
//>>css.theme: ../../themes/base/theme.css



$.widget( "ui.dialog", {
    version: "1.12.1",
    options: {
        appendTo: "body",
        autoOpen: true,
        buttons: [],
        classes: {
            "ui-dialog": "ui-corner-all",
            "ui-dialog-titlebar": "ui-corner-all"
        },
        closeOnEscape: true,
        closeText: "Close",
        draggable: true,
        hide: null,
        height: "auto",
        maxHeight: null,
        maxWidth: null,
        minHeight: 150,
        minWidth: 150,
        modal: false,
        position: {
            my: "center",
            at: "center",
            of: window,
            collision: "fit",

            // Ensure the titlebar is always visible
            using: function( pos ) {
                var topOffset = $( this ).css( pos ).offset().top;
                if ( topOffset < 0 ) {
                    $( this ).css( "top", pos.top - topOffset );
                }
            }
        },
        resizable: true,
        show: null,
        title: null,
        width: 300,

        // Callbacks
        beforeClose: null,
        close: null,
        drag: null,
        dragStart: null,
        dragStop: null,
        focus: null,
        open: null,
        resize: null,
        resizeStart: null,
        resizeStop: null
    },

    sizeRelatedOptions: {
        buttons: true,
        height: true,
        maxHeight: true,
        maxWidth: true,
        minHeight: true,
        minWidth: true,
        width: true
    },

    resizableRelatedOptions: {
        maxHeight: true,
        maxWidth: true,
        minHeight: true,
        minWidth: true
    },

    _create: function() {
        this.originalCss = {
            display: this.element[ 0 ].style.display,
            width: this.element[ 0 ].style.width,
            minHeight: this.element[ 0 ].style.minHeight,
            maxHeight: this.element[ 0 ].style.maxHeight,
            height: this.element[ 0 ].style.height
        };
        this.originalPosition = {
            parent: this.element.parent(),
            index: this.element.parent().children().index( this.element )
        };
        this.originalTitle = this.element.attr( "title" );
        if ( this.options.title == null && this.originalTitle != null ) {
            this.options.title = this.originalTitle;
        }

        // Dialogs can't be disabled
        if ( this.options.disabled ) {
            this.options.disabled = false;
        }

        this._createWrapper();

        this.element
            .show()
            .removeAttr( "title" )
            .appendTo( this.uiDialog );

        this._addClass( "ui-dialog-content", "ui-widget-content" );

        this._createTitlebar();
        this._createButtonPane();

        if ( this.options.draggable && $.fn.draggable ) {
            this._makeDraggable();
        }
        if ( this.options.resizable && $.fn.resizable ) {
            this._makeResizable();
        }

        this._isOpen = false;

        this._trackFocus();
    },

    _init: function() {
        if ( this.options.autoOpen ) {
            this.open();
        }
    },

    _appendTo: function() {
        var element = this.options.appendTo;
        if ( element && ( element.jquery || element.nodeType ) ) {
            return $( element );
        }
        return this.document.find( element || "body" ).eq( 0 );
    },

    _destroy: function() {
        var next,
            originalPosition = this.originalPosition;

        this._untrackInstance();
        this._destroyOverlay();

        this.element
            .removeUniqueId()
            .css( this.originalCss )

            // Without detaching first, the following becomes really slow
            .detach();

        this.uiDialog.remove();

        if ( this.originalTitle ) {
            this.element.attr( "title", this.originalTitle );
        }

        next = originalPosition.parent.children().eq( originalPosition.index );

        // Don't try to place the dialog next to itself (#8613)
        if ( next.length && next[ 0 ] !== this.element[ 0 ] ) {
            next.before( this.element );
        } else {
            originalPosition.parent.append( this.element );
        }
    },

    widget: function() {
        return this.uiDialog;
    },

    disable: $.noop,
    enable: $.noop,

    close: function( event ) {
        var that = this;

        if ( !this._isOpen || this._trigger( "beforeClose", event ) === false ) {
            return;
        }

        this._isOpen = false;
        this._focusedElement = null;
        this._destroyOverlay();
        this._untrackInstance();

        if ( !this.opener.filter( ":focusable" ).trigger( "focus" ).length ) {

            // Hiding a focused element doesn't trigger blur in WebKit
            // so in case we have nothing to focus on, explicitly blur the active element
            // https://bugs.webkit.org/show_bug.cgi?id=47182
            $.ui.safeBlur( $.ui.safeActiveElement( this.document[ 0 ] ) );
        }

        this._hide( this.uiDialog, this.options.hide, function() {
            that._trigger( "close", event );
        } );
    },

    isOpen: function() {
        return this._isOpen;
    },

    moveToTop: function() {
        this._moveToTop();
    },

    _moveToTop: function( event, silent ) {
        var moved = false,
            zIndices = this.uiDialog.siblings( ".ui-front:visible" ).map( function() {
                return +$( this ).css( "z-index" );
            } ).get(),
            zIndexMax = Math.max.apply( null, zIndices );

        if ( zIndexMax >= +this.uiDialog.css( "z-index" ) ) {
            this.uiDialog.css( "z-index", zIndexMax + 1 );
            moved = true;
        }

        if ( moved && !silent ) {
            this._trigger( "focus", event );
        }
        return moved;
    },

    open: function() {
        var that = this;
        if ( this._isOpen ) {
            if ( this._moveToTop() ) {
                this._focusTabbable();
            }
            return;
        }

        this._isOpen = true;
        this.opener = $( $.ui.safeActiveElement( this.document[ 0 ] ) );

        this._size();
        this._position();
        this._createOverlay();
        this._moveToTop( null, true );

        // Ensure the overlay is moved to the top with the dialog, but only when
        // opening. The overlay shouldn't move after the dialog is open so that
        // modeless dialogs opened after the modal dialog stack properly.
        if ( this.overlay ) {
            this.overlay.css( "z-index", this.uiDialog.css( "z-index" ) - 1 );
        }

        this._show( this.uiDialog, this.options.show, function() {
            that._focusTabbable();
            that._trigger( "focus" );
        } );

        // Track the dialog immediately upon openening in case a focus event
        // somehow occurs outside of the dialog before an element inside the
        // dialog is focused (#10152)
        this._makeFocusTarget();

        this._trigger( "open" );
    },

    _focusTabbable: function() {

        // Set focus to the first match:
        // 1. An element that was focused previously
        // 2. First element inside the dialog matching [autofocus]
        // 3. Tabbable element inside the content element
        // 4. Tabbable element inside the buttonpane
        // 5. The close button
        // 6. The dialog itself
        var hasFocus = this._focusedElement;
        if ( !hasFocus ) {
            hasFocus = this.element.find( "[autofocus]" );
        }
        if ( !hasFocus.length ) {
            hasFocus = this.element.find( ":tabbable" );
        }
        if ( !hasFocus.length ) {
            hasFocus = this.uiDialogButtonPane.find( ":tabbable" );
        }
        if ( !hasFocus.length ) {
            hasFocus = this.uiDialogTitlebarClose.filter( ":tabbable" );
        }
        if ( !hasFocus.length ) {
            hasFocus = this.uiDialog;
        }
        hasFocus.eq( 0 ).trigger( "focus" );
    },

    _keepFocus: function( event ) {
        function checkFocus() {
            var activeElement = $.ui.safeActiveElement( this.document[ 0 ] ),
                isActive = this.uiDialog[ 0 ] === activeElement ||
                    $.contains( this.uiDialog[ 0 ], activeElement );
            if ( !isActive ) {
                this._focusTabbable();
            }
        }
        event.preventDefault();
        checkFocus.call( this );

        // support: IE
        // IE <= 8 doesn't prevent moving focus even with event.preventDefault()
        // so we check again later
        this._delay( checkFocus );
    },

    _createWrapper: function() {
        this.uiDialog = $( "<div>" )
            .hide()
            .attr( {

                // Setting tabIndex makes the div focusable
                tabIndex: -1,
                role: "dialog"
            } )
            .appendTo( this._appendTo() );

        this._addClass( this.uiDialog, "ui-dialog", "ui-widget ui-widget-content ui-front" );
        this._on( this.uiDialog, {
            keydown: function( event ) {
                if ( this.options.closeOnEscape && !event.isDefaultPrevented() && event.keyCode &&
                        event.keyCode === $.ui.keyCode.ESCAPE ) {
                    event.preventDefault();
                    this.close( event );
                    return;
                }

                // Prevent tabbing out of dialogs
                if ( event.keyCode !== $.ui.keyCode.TAB || event.isDefaultPrevented() ) {
                    return;
                }
                var tabbables = this.uiDialog.find( ":tabbable" ),
                    first = tabbables.filter( ":first" ),
                    last = tabbables.filter( ":last" );

                if ( ( event.target === last[ 0 ] || event.target === this.uiDialog[ 0 ] ) &&
                        !event.shiftKey ) {
                    this._delay( function() {
                        first.trigger( "focus" );
                    } );
                    event.preventDefault();
                } else if ( ( event.target === first[ 0 ] ||
                        event.target === this.uiDialog[ 0 ] ) && event.shiftKey ) {
                    this._delay( function() {
                        last.trigger( "focus" );
                    } );
                    event.preventDefault();
                }
            },
            mousedown: function( event ) {
                if ( this._moveToTop( event ) ) {
                    this._focusTabbable();
                }
            }
        } );

        // We assume that any existing aria-describedby attribute means
        // that the dialog content is marked up properly
        // otherwise we brute force the content as the description
        if ( !this.element.find( "[aria-describedby]" ).length ) {
            this.uiDialog.attr( {
                "aria-describedby": this.element.uniqueId().attr( "id" )
            } );
        }
    },

    _createTitlebar: function() {
        var uiDialogTitle;

        this.uiDialogTitlebar = $( "<div>" );
        this._addClass( this.uiDialogTitlebar,
            "ui-dialog-titlebar", "ui-widget-header ui-helper-clearfix" );
        this._on( this.uiDialogTitlebar, {
            mousedown: function( event ) {

                // Don't prevent click on close button (#8838)
                // Focusing a dialog that is partially scrolled out of view
                // causes the browser to scroll it into view, preventing the click event
                if ( !$( event.target ).closest( ".ui-dialog-titlebar-close" ) ) {

                    // Dialog isn't getting focus when dragging (#8063)
                    this.uiDialog.trigger( "focus" );
                }
            }
        } );

        // Support: IE
        // Use type="button" to prevent enter keypresses in textboxes from closing the
        // dialog in IE (#9312)
        this.uiDialogTitlebarClose = $( "<button type='button'></button>" )
            .button( {
                label: $( "<a>" ).text( this.options.closeText ).html(),
                icon: "ui-icon-closethick",
                showLabel: false
            } )
            .appendTo( this.uiDialogTitlebar );

        this._addClass( this.uiDialogTitlebarClose, "ui-dialog-titlebar-close" );
        this._on( this.uiDialogTitlebarClose, {
            click: function( event ) {
                event.preventDefault();
                this.close( event );
            }
        } );

        uiDialogTitle = $( "<span>" ).uniqueId().prependTo( this.uiDialogTitlebar );
        this._addClass( uiDialogTitle, "ui-dialog-title" );
        this._title( uiDialogTitle );

        this.uiDialogTitlebar.prependTo( this.uiDialog );

        this.uiDialog.attr( {
            "aria-labelledby": uiDialogTitle.attr( "id" )
        } );
    },

    _title: function( title ) {
        if ( this.options.title ) {
            title.text( this.options.title );
        } else {
            title.html( "&#160;" );
        }
    },

    _createButtonPane: function() {
        this.uiDialogButtonPane = $( "<div>" );
        this._addClass( this.uiDialogButtonPane, "ui-dialog-buttonpane",
            "ui-widget-content ui-helper-clearfix" );

        this.uiButtonSet = $( "<div>" )
            .appendTo( this.uiDialogButtonPane );
        this._addClass( this.uiButtonSet, "ui-dialog-buttonset" );

        this._createButtons();
    },

    _createButtons: function() {
        var that = this,
            buttons = this.options.buttons;

        // If we already have a button pane, remove it
        this.uiDialogButtonPane.remove();
        this.uiButtonSet.empty();

        if ( $.isEmptyObject( buttons ) || ( $.isArray( buttons ) && !buttons.length ) ) {
            this._removeClass( this.uiDialog, "ui-dialog-buttons" );
            return;
        }

        $.each( buttons, function( name, props ) {
            var click, buttonOptions;
            props = $.isFunction( props ) ?
                { click: props, text: name } :
                props;

            // Default to a non-submitting button
            props = $.extend( { type: "button" }, props );

            // Change the context for the click callback to be the main element
            click = props.click;
            buttonOptions = {
                icon: props.icon,
                iconPosition: props.iconPosition,
                showLabel: props.showLabel,

                // Deprecated options
                icons: props.icons,
                text: props.text
            };

            delete props.click;
            delete props.icon;
            delete props.iconPosition;
            delete props.showLabel;

            // Deprecated options
            delete props.icons;
            if ( typeof props.text === "boolean" ) {
                delete props.text;
            }

            $( "<button></button>", props )
                .button( buttonOptions )
                .appendTo( that.uiButtonSet )
                .on( "click", function() {
                    click.apply( that.element[ 0 ], arguments );
                } );
        } );
        this._addClass( this.uiDialog, "ui-dialog-buttons" );
        this.uiDialogButtonPane.appendTo( this.uiDialog );
    },

    _makeDraggable: function() {
        var that = this,
            options = this.options;

        function filteredUi( ui ) {
            return {
                position: ui.position,
                offset: ui.offset
            };
        }

        this.uiDialog.draggable( {
            cancel: ".ui-dialog-content, .ui-dialog-titlebar-close",
            handle: ".ui-dialog-titlebar",
            containment: "document",
            start: function( event, ui ) {
                that._addClass( $( this ), "ui-dialog-dragging" );
                that._blockFrames();
                that._trigger( "dragStart", event, filteredUi( ui ) );
            },
            drag: function( event, ui ) {
                that._trigger( "drag", event, filteredUi( ui ) );
            },
            stop: function( event, ui ) {
                var left = ui.offset.left - that.document.scrollLeft(),
                    top = ui.offset.top - that.document.scrollTop();

                options.position = {
                    my: "left top",
                    at: "left" + ( left >= 0 ? "+" : "" ) + left + " " +
                        "top" + ( top >= 0 ? "+" : "" ) + top,
                    of: that.window
                };
                that._removeClass( $( this ), "ui-dialog-dragging" );
                that._unblockFrames();
                that._trigger( "dragStop", event, filteredUi( ui ) );
            }
        } );
    },

    _makeResizable: function() {
        var that = this,
            options = this.options,
            handles = options.resizable,

            // .ui-resizable has position: relative defined in the stylesheet
            // but dialogs have to use absolute or fixed positioning
            position = this.uiDialog.css( "position" ),
            resizeHandles = typeof handles === "string" ?
                handles :
                "n,e,s,w,se,sw,ne,nw";

        function filteredUi( ui ) {
            return {
                originalPosition: ui.originalPosition,
                originalSize: ui.originalSize,
                position: ui.position,
                size: ui.size
            };
        }

        this.uiDialog.resizable( {
            cancel: ".ui-dialog-content",
            containment: "document",
            alsoResize: this.element,
            maxWidth: options.maxWidth,
            maxHeight: options.maxHeight,
            minWidth: options.minWidth,
            minHeight: this._minHeight(),
            handles: resizeHandles,
            start: function( event, ui ) {
                that._addClass( $( this ), "ui-dialog-resizing" );
                that._blockFrames();
                that._trigger( "resizeStart", event, filteredUi( ui ) );
            },
            resize: function( event, ui ) {
                that._trigger( "resize", event, filteredUi( ui ) );
            },
            stop: function( event, ui ) {
                var offset = that.uiDialog.offset(),
                    left = offset.left - that.document.scrollLeft(),
                    top = offset.top - that.document.scrollTop();

                options.height = that.uiDialog.height();
                options.width = that.uiDialog.width();
                options.position = {
                    my: "left top",
                    at: "left" + ( left >= 0 ? "+" : "" ) + left + " " +
                        "top" + ( top >= 0 ? "+" : "" ) + top,
                    of: that.window
                };
                that._removeClass( $( this ), "ui-dialog-resizing" );
                that._unblockFrames();
                that._trigger( "resizeStop", event, filteredUi( ui ) );
            }
        } )
            .css( "position", position );
    },

    _trackFocus: function() {
        this._on( this.widget(), {
            focusin: function( event ) {
                this._makeFocusTarget();
                this._focusedElement = $( event.target );
            }
        } );
    },

    _makeFocusTarget: function() {
        this._untrackInstance();
        this._trackingInstances().unshift( this );
    },

    _untrackInstance: function() {
        var instances = this._trackingInstances(),
            exists = $.inArray( this, instances );
        if ( exists !== -1 ) {
            instances.splice( exists, 1 );
        }
    },

    _trackingInstances: function() {
        var instances = this.document.data( "ui-dialog-instances" );
        if ( !instances ) {
            instances = [];
            this.document.data( "ui-dialog-instances", instances );
        }
        return instances;
    },

    _minHeight: function() {
        var options = this.options;

        return options.height === "auto" ?
            options.minHeight :
            Math.min( options.minHeight, options.height );
    },

    _position: function() {

        // Need to show the dialog to get the actual offset in the position plugin
        var isVisible = this.uiDialog.is( ":visible" );
        if ( !isVisible ) {
            this.uiDialog.show();
        }
        this.uiDialog.position( this.options.position );
        if ( !isVisible ) {
            this.uiDialog.hide();
        }
    },

    _setOptions: function( options ) {
        var that = this,
            resize = false,
            resizableOptions = {};

        $.each( options, function( key, value ) {
            that._setOption( key, value );

            if ( key in that.sizeRelatedOptions ) {
                resize = true;
            }
            if ( key in that.resizableRelatedOptions ) {
                resizableOptions[ key ] = value;
            }
        } );

        if ( resize ) {
            this._size();
            this._position();
        }
        if ( this.uiDialog.is( ":data(ui-resizable)" ) ) {
            this.uiDialog.resizable( "option", resizableOptions );
        }
    },

    _setOption: function( key, value ) {
        var isDraggable, isResizable,
            uiDialog = this.uiDialog;

        if ( key === "disabled" ) {
            return;
        }

        this._super( key, value );

        if ( key === "appendTo" ) {
            this.uiDialog.appendTo( this._appendTo() );
        }

        if ( key === "buttons" ) {
            this._createButtons();
        }

        if ( key === "closeText" ) {
            this.uiDialogTitlebarClose.button( {

                // Ensure that we always pass a string
                label: $( "<a>" ).text( "" + this.options.closeText ).html()
            } );
        }

        if ( key === "draggable" ) {
            isDraggable = uiDialog.is( ":data(ui-draggable)" );
            if ( isDraggable && !value ) {
                uiDialog.draggable( "destroy" );
            }

            if ( !isDraggable && value ) {
                this._makeDraggable();
            }
        }

        if ( key === "position" ) {
            this._position();
        }

        if ( key === "resizable" ) {

            // currently resizable, becoming non-resizable
            isResizable = uiDialog.is( ":data(ui-resizable)" );
            if ( isResizable && !value ) {
                uiDialog.resizable( "destroy" );
            }

            // Currently resizable, changing handles
            if ( isResizable && typeof value === "string" ) {
                uiDialog.resizable( "option", "handles", value );
            }

            // Currently non-resizable, becoming resizable
            if ( !isResizable && value !== false ) {
                this._makeResizable();
            }
        }

        if ( key === "title" ) {
            this._title( this.uiDialogTitlebar.find( ".ui-dialog-title" ) );
        }
    },

    _size: function() {

        // If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
        // divs will both have width and height set, so we need to reset them
        var nonContentHeight, minContentHeight, maxContentHeight,
            options = this.options;

        // Reset content sizing
        this.element.show().css( {
            width: "auto",
            minHeight: 0,
            maxHeight: "none",
            height: 0
        } );

        if ( options.minWidth > options.width ) {
            options.width = options.minWidth;
        }

        // Reset wrapper sizing
        // determine the height of all the non-content elements
        nonContentHeight = this.uiDialog.css( {
            height: "auto",
            width: options.width
        } )
            .outerHeight();
        minContentHeight = Math.max( 0, options.minHeight - nonContentHeight );
        maxContentHeight = typeof options.maxHeight === "number" ?
            Math.max( 0, options.maxHeight - nonContentHeight ) :
            "none";

        if ( options.height === "auto" ) {
            this.element.css( {
                minHeight: minContentHeight,
                maxHeight: maxContentHeight,
                height: "auto"
            } );
        } else {
            this.element.height( Math.max( 0, options.height - nonContentHeight ) );
        }

        if ( this.uiDialog.is( ":data(ui-resizable)" ) ) {
            this.uiDialog.resizable( "option", "minHeight", this._minHeight() );
        }
    },

    _blockFrames: function() {
        this.iframeBlocks = this.document.find( "iframe" ).map( function() {
            var iframe = $( this );

            return $( "<div>" )
                .css( {
                    position: "absolute",
                    width: iframe.outerWidth(),
                    height: iframe.outerHeight()
                } )
                .appendTo( iframe.parent() )
                .offset( iframe.offset() )[ 0 ];
        } );
    },

    _unblockFrames: function() {
        if ( this.iframeBlocks ) {
            this.iframeBlocks.remove();
            delete this.iframeBlocks;
        }
    },

    _allowInteraction: function( event ) {
        if ( $( event.target ).closest( ".ui-dialog" ).length ) {
            return true;
        }

        // TODO: Remove hack when datepicker implements
        // the .ui-front logic (#8989)
        return !!$( event.target ).closest( ".ui-datepicker" ).length;
    },

    _createOverlay: function() {
        if ( !this.options.modal ) {
            return;
        }

        // We use a delay in case the overlay is created from an
        // event that we're going to be cancelling (#2804)
        var isOpening = true;
        this._delay( function() {
            isOpening = false;
        } );

        if ( !this.document.data( "ui-dialog-overlays" ) ) {

            // Prevent use of anchors and inputs
            // Using _on() for an event handler shared across many instances is
            // safe because the dialogs stack and must be closed in reverse order
            this._on( this.document, {
                focusin: function( event ) {
                    if ( isOpening ) {
                        return;
                    }

                    if ( !this._allowInteraction( event ) ) {
                        event.preventDefault();
                        this._trackingInstances()[ 0 ]._focusTabbable();
                    }
                }
            } );
        }

        this.overlay = $( "<div>" )
            .appendTo( this._appendTo() );

        this._addClass( this.overlay, null, "ui-widget-overlay ui-front" );
        this._on( this.overlay, {
            mousedown: "_keepFocus"
        } );
        this.document.data( "ui-dialog-overlays",
            ( this.document.data( "ui-dialog-overlays" ) || 0 ) + 1 );
    },

    _destroyOverlay: function() {
        if ( !this.options.modal ) {
            return;
        }

        if ( this.overlay ) {
            var overlays = this.document.data( "ui-dialog-overlays" ) - 1;

            if ( !overlays ) {
                this._off( this.document, "focusin" );
                this.document.removeData( "ui-dialog-overlays" );
            } else {
                this.document.data( "ui-dialog-overlays", overlays );
            }

            this.overlay.remove();
            this.overlay = null;
        }
    }
} );

// DEPRECATED
// TODO: switch return back to widget declaration at top of file when this is removed
if ( $.uiBackCompat !== false ) {

    // Backcompat for dialogClass option
    $.widget( "ui.dialog", $.ui.dialog, {
        options: {
            dialogClass: ""
        },
        _createWrapper: function() {
            this._super();
            this.uiDialog.addClass( this.options.dialogClass );
        },
        _setOption: function( key, value ) {
            if ( key === "dialogClass" ) {
                this.uiDialog
                    .removeClass( this.options.dialogClass )
                    .addClass( value );
            }
            this._superApply( arguments );
        }
    } );
}

var widgetsDialog = $.ui.dialog;


//>>label: Droppable
//>>group: Interactions
//>>description: Enables drop targets for draggable elements.
//>>docs: http://api.jqueryui.com/droppable/
//>>demos: http://jqueryui.com/droppable/



$.widget( "ui.droppable", {
    version: "1.12.1",
    widgetEventPrefix: "drop",
    options: {
        accept: "*",
        addClasses: true,
        greedy: false,
        scope: "default",
        tolerance: "intersect",

        // Callbacks
        activate: null,
        deactivate: null,
        drop: null,
        out: null,
        over: null
    },
    _create: function() {

        var proportions,
            o = this.options,
            accept = o.accept;

        this.isover = false;
        this.isout = true;

        this.accept = $.isFunction( accept ) ? accept : function( d ) {
            return d.is( accept );
        };

        this.proportions = function( /* valueToWrite */ ) {
            if ( arguments.length ) {

                // Store the droppable's proportions
                proportions = arguments[ 0 ];
            } else {

                // Retrieve or derive the droppable's proportions
                return proportions ?
                    proportions :
                    proportions = {
                        width: this.element[ 0 ].offsetWidth,
                        height: this.element[ 0 ].offsetHeight
                    };
            }
        };

        this._addToManager( o.scope );

        o.addClasses && this._addClass( "ui-droppable" );

    },

    _addToManager: function( scope ) {

        // Add the reference and positions to the manager
        $.ui.ddmanager.droppables[ scope ] = $.ui.ddmanager.droppables[ scope ] || [];
        $.ui.ddmanager.droppables[ scope ].push( this );
    },

    _splice: function( drop ) {
        var i = 0;
        for ( ; i < drop.length; i++ ) {
            if ( drop[ i ] === this ) {
                drop.splice( i, 1 );
            }
        }
    },

    _destroy: function() {
        var drop = $.ui.ddmanager.droppables[ this.options.scope ];

        this._splice( drop );
    },

    _setOption: function( key, value ) {

        if ( key === "accept" ) {
            this.accept = $.isFunction( value ) ? value : function( d ) {
                return d.is( value );
            };
        } else if ( key === "scope" ) {
            var drop = $.ui.ddmanager.droppables[ this.options.scope ];

            this._splice( drop );
            this._addToManager( value );
        }

        this._super( key, value );
    },

    _activate: function( event ) {
        var draggable = $.ui.ddmanager.current;

        this._addActiveClass();
        if ( draggable ) {
            this._trigger( "activate", event, this.ui( draggable ) );
        }
    },

    _deactivate: function( event ) {
        var draggable = $.ui.ddmanager.current;

        this._removeActiveClass();
        if ( draggable ) {
            this._trigger( "deactivate", event, this.ui( draggable ) );
        }
    },

    _over: function( event ) {

        var draggable = $.ui.ddmanager.current;

        // Bail if draggable and droppable are same element
        if ( !draggable || ( draggable.currentItem ||
                draggable.element )[ 0 ] === this.element[ 0 ] ) {
            return;
        }

        if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem ||
                draggable.element ) ) ) {
            this._addHoverClass();
            this._trigger( "over", event, this.ui( draggable ) );
        }

    },

    _out: function( event ) {

        var draggable = $.ui.ddmanager.current;

        // Bail if draggable and droppable are same element
        if ( !draggable || ( draggable.currentItem ||
                draggable.element )[ 0 ] === this.element[ 0 ] ) {
            return;
        }

        if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem ||
                draggable.element ) ) ) {
            this._removeHoverClass();
            this._trigger( "out", event, this.ui( draggable ) );
        }

    },

    _drop: function( event, custom ) {

        var draggable = custom || $.ui.ddmanager.current,
            childrenIntersection = false;

        // Bail if draggable and droppable are same element
        if ( !draggable || ( draggable.currentItem ||
                draggable.element )[ 0 ] === this.element[ 0 ] ) {
            return false;
        }

        this.element
            .find( ":data(ui-droppable)" )
            .not( ".ui-draggable-dragging" )
            .each( function() {
                var inst = $( this ).droppable( "instance" );
                if (
                    inst.options.greedy &&
                    !inst.options.disabled &&
                    inst.options.scope === draggable.options.scope &&
                    inst.accept.call(
                        inst.element[ 0 ], ( draggable.currentItem || draggable.element )
                    ) &&
                    intersect(
                        draggable,
                        $.extend( inst, { offset: inst.element.offset() } ),
                        inst.options.tolerance, event
                    )
                ) {
                    childrenIntersection = true;
                    return false; }
            } );
        if ( childrenIntersection ) {
            return false;
        }

        if ( this.accept.call( this.element[ 0 ],
                ( draggable.currentItem || draggable.element ) ) ) {
            this._removeActiveClass();
            this._removeHoverClass();

            this._trigger( "drop", event, this.ui( draggable ) );
            return this.element;
        }

        return false;

    },

    ui: function( c ) {
        return {
            draggable: ( c.currentItem || c.element ),
            helper: c.helper,
            position: c.position,
            offset: c.positionAbs
        };
    },

    // Extension points just to make backcompat sane and avoid duplicating logic
    // TODO: Remove in 1.13 along with call to it below
    _addHoverClass: function() {
        this._addClass( "ui-droppable-hover" );
    },

    _removeHoverClass: function() {
        this._removeClass( "ui-droppable-hover" );
    },

    _addActiveClass: function() {
        this._addClass( "ui-droppable-active" );
    },

    _removeActiveClass: function() {
        this._removeClass( "ui-droppable-active" );
    }
} );

var intersect = $.ui.intersect = ( function() {
    function isOverAxis( x, reference, size ) {
        return ( x >= reference ) && ( x < ( reference + size ) );
    }

    return function( draggable, droppable, toleranceMode, event ) {

        if ( !droppable.offset ) {
            return false;
        }

        var x1 = ( draggable.positionAbs ||
                draggable.position.absolute ).left + draggable.margins.left,
            y1 = ( draggable.positionAbs ||
                draggable.position.absolute ).top + draggable.margins.top,
            x2 = x1 + draggable.helperProportions.width,
            y2 = y1 + draggable.helperProportions.height,
            l = droppable.offset.left,
            t = droppable.offset.top,
            r = l + droppable.proportions().width,
            b = t + droppable.proportions().height;

        switch ( toleranceMode ) {
        case "fit":
            return ( l <= x1 && x2 <= r && t <= y1 && y2 <= b );
        case "intersect":
            return ( l < x1 + ( draggable.helperProportions.width / 2 ) && // Right Half
                x2 - ( draggable.helperProportions.width / 2 ) < r && // Left Half
                t < y1 + ( draggable.helperProportions.height / 2 ) && // Bottom Half
                y2 - ( draggable.helperProportions.height / 2 ) < b ); // Top Half
        case "pointer":
            return isOverAxis( event.pageY, t, droppable.proportions().height ) &&
                isOverAxis( event.pageX, l, droppable.proportions().width );
        case "touch":
            return (
                ( y1 >= t && y1 <= b ) || // Top edge touching
                ( y2 >= t && y2 <= b ) || // Bottom edge touching
                ( y1 < t && y2 > b ) // Surrounded vertically
            ) && (
                ( x1 >= l && x1 <= r ) || // Left edge touching
                ( x2 >= l && x2 <= r ) || // Right edge touching
                ( x1 < l && x2 > r ) // Surrounded horizontally
            );
        default:
            return false;
        }
    };
} )();

/*
    This manager tracks offsets of draggables and droppables
*/
$.ui.ddmanager = {
    current: null,
    droppables: { "default": [] },
    prepareOffsets: function( t, event ) {

        var i, j,
            m = $.ui.ddmanager.droppables[ t.options.scope ] || [],
            type = event ? event.type : null, // workaround for #2317
            list = ( t.currentItem || t.element ).find( ":data(ui-droppable)" ).addBack();

        droppablesLoop: for ( i = 0; i < m.length; i++ ) {

            // No disabled and non-accepted
            if ( m[ i ].options.disabled || ( t && !m[ i ].accept.call( m[ i ].element[ 0 ],
                    ( t.currentItem || t.element ) ) ) ) {
                continue;
            }

            // Filter out elements in the current dragged item
            for ( j = 0; j < list.length; j++ ) {
                if ( list[ j ] === m[ i ].element[ 0 ] ) {
                    m[ i ].proportions().height = 0;
                    continue droppablesLoop;
                }
            }

            m[ i ].visible = m[ i ].element.css( "display" ) !== "none";
            if ( !m[ i ].visible ) {
                continue;
            }

            // Activate the droppable if used directly from draggables
            if ( type === "mousedown" ) {
                m[ i ]._activate.call( m[ i ], event );
            }

            m[ i ].offset = m[ i ].element.offset();
            m[ i ].proportions( {
                width: m[ i ].element[ 0 ].offsetWidth,
                height: m[ i ].element[ 0 ].offsetHeight
            } );

        }

    },
    drop: function( draggable, event ) {

        var dropped = false;

        // Create a copy of the droppables in case the list changes during the drop (#9116)
        $.each( ( $.ui.ddmanager.droppables[ draggable.options.scope ] || [] ).slice(), function() {

            if ( !this.options ) {
                return;
            }
            if ( !this.options.disabled && this.visible &&
                    intersect( draggable, this, this.options.tolerance, event ) ) {
                dropped = this._drop.call( this, event ) || dropped;
            }

            if ( !this.options.disabled && this.visible && this.accept.call( this.element[ 0 ],
                    ( draggable.currentItem || draggable.element ) ) ) {
                this.isout = true;
                this.isover = false;
                this._deactivate.call( this, event );
            }

        } );
        return dropped;

    },
    dragStart: function( draggable, event ) {

        // Listen for scrolling so that if the dragging causes scrolling the position of the
        // droppables can be recalculated (see #5003)
        draggable.element.parentsUntil( "body" ).on( "scroll.droppable", function() {
            if ( !draggable.options.refreshPositions ) {
                $.ui.ddmanager.prepareOffsets( draggable, event );
            }
        } );
    },
    drag: function( draggable, event ) {

        // If you have a highly dynamic page, you might try this option. It renders positions
        // every time you move the mouse.
        if ( draggable.options.refreshPositions ) {
            $.ui.ddmanager.prepareOffsets( draggable, event );
        }

        // Run through all droppables and check their positions based on specific tolerance options
        $.each( $.ui.ddmanager.droppables[ draggable.options.scope ] || [], function() {

            if ( this.options.disabled || this.greedyChild || !this.visible ) {
                return;
            }

            var parentInstance, scope, parent,
                intersects = intersect( draggable, this, this.options.tolerance, event ),
                c = !intersects && this.isover ?
                    "isout" :
                    ( intersects && !this.isover ? "isover" : null );
            if ( !c ) {
                return;
            }

            if ( this.options.greedy ) {

                // find droppable parents with same scope
                scope = this.options.scope;
                parent = this.element.parents( ":data(ui-droppable)" ).filter( function() {
                    return $( this ).droppable( "instance" ).options.scope === scope;
                } );

                if ( parent.length ) {
                    parentInstance = $( parent[ 0 ] ).droppable( "instance" );
                    parentInstance.greedyChild = ( c === "isover" );
                }
            }

            // We just moved into a greedy child
            if ( parentInstance && c === "isover" ) {
                parentInstance.isover = false;
                parentInstance.isout = true;
                parentInstance._out.call( parentInstance, event );
            }

            this[ c ] = true;
            this[ c === "isout" ? "isover" : "isout" ] = false;
            this[ c === "isover" ? "_over" : "_out" ].call( this, event );

            // We just moved out of a greedy child
            if ( parentInstance && c === "isout" ) {
                parentInstance.isout = false;
                parentInstance.isover = true;
                parentInstance._over.call( parentInstance, event );
            }
        } );

    },
    dragStop: function( draggable, event ) {
        draggable.element.parentsUntil( "body" ).off( "scroll.droppable" );

        // Call prepareOffsets one final time since IE does not fire return scroll events when
        // overflow was caused by drag (see #5003)
        if ( !draggable.options.refreshPositions ) {
            $.ui.ddmanager.prepareOffsets( draggable, event );
        }
    }
};

// DEPRECATED
// TODO: switch return back to widget declaration at top of file when this is removed
if ( $.uiBackCompat !== false ) {

    // Backcompat for activeClass and hoverClass options
    $.widget( "ui.droppable", $.ui.droppable, {
        options: {
            hoverClass: false,
            activeClass: false
        },
        _addActiveClass: function() {
            this._super();
            if ( this.options.activeClass ) {
                this.element.addClass( this.options.activeClass );
            }
        },
        _removeActiveClass: function() {
            this._super();
            if ( this.options.activeClass ) {
                this.element.removeClass( this.options.activeClass );
            }
        },
        _addHoverClass: function() {
            this._super();
            if ( this.options.hoverClass ) {
                this.element.addClass( this.options.hoverClass );
            }
        },
        _removeHoverClass: function() {
            this._super();
            if ( this.options.hoverClass ) {
                this.element.removeClass( this.options.hoverClass );
            }
        }
    } );
}

var widgetsDroppable = $.ui.droppable;


//>>label: Progressbar
//>>group: Widgets
// jscs:disable maximumLineLength
//>>description: Displays a status indicator for loading state, standard percentage, and other progress indicators.
// jscs:enable maximumLineLength
//>>docs: http://api.jqueryui.com/progressbar/
//>>demos: http://jqueryui.com/progressbar/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/progressbar.css
//>>css.theme: ../../themes/base/theme.css



var widgetsProgressbar = $.widget( "ui.progressbar", {
    version: "1.12.1",
    options: {
        classes: {
            "ui-progressbar": "ui-corner-all",
            "ui-progressbar-value": "ui-corner-left",
            "ui-progressbar-complete": "ui-corner-right"
        },
        max: 100,
        value: 0,

        change: null,
        complete: null
    },

    min: 0,

    _create: function() {

        // Constrain initial value
        this.oldValue = this.options.value = this._constrainedValue();

        this.element.attr( {

            // Only set static values; aria-valuenow and aria-valuemax are
            // set inside _refreshValue()
            role: "progressbar",
            "aria-valuemin": this.min
        } );
        this._addClass( "ui-progressbar", "ui-widget ui-widget-content" );

        this.valueDiv = $( "<div>" ).appendTo( this.element );
        this._addClass( this.valueDiv, "ui-progressbar-value", "ui-widget-header" );
        this._refreshValue();
    },

    _destroy: function() {
        this.element.removeAttr( "role aria-valuemin aria-valuemax aria-valuenow" );

        this.valueDiv.remove();
    },

    value: function( newValue ) {
        if ( newValue === undefined ) {
            return this.options.value;
        }

        this.options.value = this._constrainedValue( newValue );
        this._refreshValue();
    },

    _constrainedValue: function( newValue ) {
        if ( newValue === undefined ) {
            newValue = this.options.value;
        }

        this.indeterminate = newValue === false;

        // Sanitize value
        if ( typeof newValue !== "number" ) {
            newValue = 0;
        }

        return this.indeterminate ? false :
            Math.min( this.options.max, Math.max( this.min, newValue ) );
    },

    _setOptions: function( options ) {

        // Ensure "value" option is set after other values (like max)
        var value = options.value;
        delete options.value;

        this._super( options );

        this.options.value = this._constrainedValue( value );
        this._refreshValue();
    },

    _setOption: function( key, value ) {
        if ( key === "max" ) {

            // Don't allow a max less than min
            value = Math.max( this.min, value );
        }
        this._super( key, value );
    },

    _setOptionDisabled: function( value ) {
        this._super( value );

        this.element.attr( "aria-disabled", value );
        this._toggleClass( null, "ui-state-disabled", !!value );
    },

    _percentage: function() {
        return this.indeterminate ?
            100 :
            100 * ( this.options.value - this.min ) / ( this.options.max - this.min );
    },

    _refreshValue: function() {
        var value = this.options.value,
            percentage = this._percentage();

        this.valueDiv
            .toggle( this.indeterminate || value > this.min )
            .width( percentage.toFixed( 0 ) + "%" );

        this
            ._toggleClass( this.valueDiv, "ui-progressbar-complete", null,
                value === this.options.max )
            ._toggleClass( "ui-progressbar-indeterminate", null, this.indeterminate );

        if ( this.indeterminate ) {
            this.element.removeAttr( "aria-valuenow" );
            if ( !this.overlayDiv ) {
                this.overlayDiv = $( "<div>" ).appendTo( this.valueDiv );
                this._addClass( this.overlayDiv, "ui-progressbar-overlay" );
            }
        } else {
            this.element.attr( {
                "aria-valuemax": this.options.max,
                "aria-valuenow": value
            } );
            if ( this.overlayDiv ) {
                this.overlayDiv.remove();
                this.overlayDiv = null;
            }
        }

        if ( this.oldValue !== value ) {
            this.oldValue = value;
            this._trigger( "change" );
        }
        if ( value === this.options.max ) {
            this._trigger( "complete" );
        }
    }
} );


//>>label: Selectable
//>>group: Interactions
//>>description: Allows groups of elements to be selected with the mouse.
//>>docs: http://api.jqueryui.com/selectable/
//>>demos: http://jqueryui.com/selectable/
//>>css.structure: ../../themes/base/selectable.css



var widgetsSelectable = $.widget( "ui.selectable", $.ui.mouse, {
    version: "1.12.1",
    options: {
        appendTo: "body",
        autoRefresh: true,
        distance: 0,
        filter: "*",
        tolerance: "touch",

        // Callbacks
        selected: null,
        selecting: null,
        start: null,
        stop: null,
        unselected: null,
        unselecting: null
    },
    _create: function() {
        var that = this;

        this._addClass( "ui-selectable" );

        this.dragged = false;

        // Cache selectee children based on filter
        this.refresh = function() {
            that.elementPos = $( that.element[ 0 ] ).offset();
            that.selectees = $( that.options.filter, that.element[ 0 ] );
            that._addClass( that.selectees, "ui-selectee" );
            that.selectees.each( function() {
                var $this = $( this ),
                    selecteeOffset = $this.offset(),
                    pos = {
                        left: selecteeOffset.left - that.elementPos.left,
                        top: selecteeOffset.top - that.elementPos.top
                    };
                $.data( this, "selectable-item", {
                    element: this,
                    $element: $this,
                    left: pos.left,
                    top: pos.top,
                    right: pos.left + $this.outerWidth(),
                    bottom: pos.top + $this.outerHeight(),
                    startselected: false,
                    selected: $this.hasClass( "ui-selected" ),
                    selecting: $this.hasClass( "ui-selecting" ),
                    unselecting: $this.hasClass( "ui-unselecting" )
                } );
            } );
        };
        this.refresh();

        this._mouseInit();

        this.helper = $( "<div>" );
        this._addClass( this.helper, "ui-selectable-helper" );
    },

    _destroy: function() {
        this.selectees.removeData( "selectable-item" );
        this._mouseDestroy();
    },

    _mouseStart: function( event ) {
        var that = this,
            options = this.options;

        this.opos = [ event.pageX, event.pageY ];
        this.elementPos = $( this.element[ 0 ] ).offset();

        if ( this.options.disabled ) {
            return;
        }

        this.selectees = $( options.filter, this.element[ 0 ] );

        this._trigger( "start", event );

        $( options.appendTo ).append( this.helper );

        // position helper (lasso)
        this.helper.css( {
            "left": event.pageX,
            "top": event.pageY,
            "width": 0,
            "height": 0
        } );

        if ( options.autoRefresh ) {
            this.refresh();
        }

        this.selectees.filter( ".ui-selected" ).each( function() {
            var selectee = $.data( this, "selectable-item" );
            selectee.startselected = true;
            if ( !event.metaKey && !event.ctrlKey ) {
                that._removeClass( selectee.$element, "ui-selected" );
                selectee.selected = false;
                that._addClass( selectee.$element, "ui-unselecting" );
                selectee.unselecting = true;

                // selectable UNSELECTING callback
                that._trigger( "unselecting", event, {
                    unselecting: selectee.element
                } );
            }
        } );

        $( event.target ).parents().addBack().each( function() {
            var doSelect,
                selectee = $.data( this, "selectable-item" );
            if ( selectee ) {
                doSelect = ( !event.metaKey && !event.ctrlKey ) ||
                    !selectee.$element.hasClass( "ui-selected" );
                that._removeClass( selectee.$element, doSelect ? "ui-unselecting" : "ui-selected" )
                    ._addClass( selectee.$element, doSelect ? "ui-selecting" : "ui-unselecting" );
                selectee.unselecting = !doSelect;
                selectee.selecting = doSelect;
                selectee.selected = doSelect;

                // selectable (UN)SELECTING callback
                if ( doSelect ) {
                    that._trigger( "selecting", event, {
                        selecting: selectee.element
                    } );
                } else {
                    that._trigger( "unselecting", event, {
                        unselecting: selectee.element
                    } );
                }
                return false;
            }
        } );

    },

    _mouseDrag: function( event ) {

        this.dragged = true;

        if ( this.options.disabled ) {
            return;
        }

        var tmp,
            that = this,
            options = this.options,
            x1 = this.opos[ 0 ],
            y1 = this.opos[ 1 ],
            x2 = event.pageX,
            y2 = event.pageY;

        if ( x1 > x2 ) { tmp = x2; x2 = x1; x1 = tmp; }
        if ( y1 > y2 ) { tmp = y2; y2 = y1; y1 = tmp; }
        this.helper.css( { left: x1, top: y1, width: x2 - x1, height: y2 - y1 } );

        this.selectees.each( function() {
            var selectee = $.data( this, "selectable-item" ),
                hit = false,
                offset = {};

            //prevent helper from being selected if appendTo: selectable
            if ( !selectee || selectee.element === that.element[ 0 ] ) {
                return;
            }

            offset.left   = selectee.left   + that.elementPos.left;
            offset.right  = selectee.right  + that.elementPos.left;
            offset.top    = selectee.top    + that.elementPos.top;
            offset.bottom = selectee.bottom + that.elementPos.top;

            if ( options.tolerance === "touch" ) {
                hit = ( !( offset.left > x2 || offset.right < x1 || offset.top > y2 ||
                    offset.bottom < y1 ) );
            } else if ( options.tolerance === "fit" ) {
                hit = ( offset.left > x1 && offset.right < x2 && offset.top > y1 &&
                    offset.bottom < y2 );
            }

            if ( hit ) {

                // SELECT
                if ( selectee.selected ) {
                    that._removeClass( selectee.$element, "ui-selected" );
                    selectee.selected = false;
                }
                if ( selectee.unselecting ) {
                    that._removeClass( selectee.$element, "ui-unselecting" );
                    selectee.unselecting = false;
                }
                if ( !selectee.selecting ) {
                    that._addClass( selectee.$element, "ui-selecting" );
                    selectee.selecting = true;

                    // selectable SELECTING callback
                    that._trigger( "selecting", event, {
                        selecting: selectee.element
                    } );
                }
            } else {

                // UNSELECT
                if ( selectee.selecting ) {
                    if ( ( event.metaKey || event.ctrlKey ) && selectee.startselected ) {
                        that._removeClass( selectee.$element, "ui-selecting" );
                        selectee.selecting = false;
                        that._addClass( selectee.$element, "ui-selected" );
                        selectee.selected = true;
                    } else {
                        that._removeClass( selectee.$element, "ui-selecting" );
                        selectee.selecting = false;
                        if ( selectee.startselected ) {
                            that._addClass( selectee.$element, "ui-unselecting" );
                            selectee.unselecting = true;
                        }

                        // selectable UNSELECTING callback
                        that._trigger( "unselecting", event, {
                            unselecting: selectee.element
                        } );
                    }
                }
                if ( selectee.selected ) {
                    if ( !event.metaKey && !event.ctrlKey && !selectee.startselected ) {
                        that._removeClass( selectee.$element, "ui-selected" );
                        selectee.selected = false;

                        that._addClass( selectee.$element, "ui-unselecting" );
                        selectee.unselecting = true;

                        // selectable UNSELECTING callback
                        that._trigger( "unselecting", event, {
                            unselecting: selectee.element
                        } );
                    }
                }
            }
        } );

        return false;
    },

    _mouseStop: function( event ) {
        var that = this;

        this.dragged = false;

        $( ".ui-unselecting", this.element[ 0 ] ).each( function() {
            var selectee = $.data( this, "selectable-item" );
            that._removeClass( selectee.$element, "ui-unselecting" );
            selectee.unselecting = false;
            selectee.startselected = false;
            that._trigger( "unselected", event, {
                unselected: selectee.element
            } );
        } );
        $( ".ui-selecting", this.element[ 0 ] ).each( function() {
            var selectee = $.data( this, "selectable-item" );
            that._removeClass( selectee.$element, "ui-selecting" )
                ._addClass( selectee.$element, "ui-selected" );
            selectee.selecting = false;
            selectee.selected = true;
            selectee.startselected = true;
            that._trigger( "selected", event, {
                selected: selectee.element
            } );
        } );
        this._trigger( "stop", event );

        this.helper.remove();

        return false;
    }

} );


//>>label: Selectmenu
//>>group: Widgets
// jscs:disable maximumLineLength
//>>description: Duplicates and extends the functionality of a native HTML select element, allowing it to be customizable in behavior and appearance far beyond the limitations of a native select.
// jscs:enable maximumLineLength
//>>docs: http://api.jqueryui.com/selectmenu/
//>>demos: http://jqueryui.com/selectmenu/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/selectmenu.css, ../../themes/base/button.css
//>>css.theme: ../../themes/base/theme.css



var widgetsSelectmenu = $.widget( "ui.selectmenu", [ $.ui.formResetMixin, {
    version: "1.12.1",
    defaultElement: "<select>",
    options: {
        appendTo: null,
        classes: {
            "ui-selectmenu-button-open": "ui-corner-top",
            "ui-selectmenu-button-closed": "ui-corner-all"
        },
        disabled: null,
        icons: {
            button: "ui-icon-triangle-1-s"
        },
        position: {
            my: "left top",
            at: "left bottom",
            collision: "none"
        },
        width: false,

        // Callbacks
        change: null,
        close: null,
        focus: null,
        open: null,
        select: null
    },

    _create: function() {
        var selectmenuId = this.element.uniqueId().attr( "id" );
        this.ids = {
            element: selectmenuId,
            button: selectmenuId + "-button",
            menu: selectmenuId + "-menu"
        };

        this._drawButton();
        this._drawMenu();
        this._bindFormResetHandler();

        this._rendered = false;
        this.menuItems = $();
    },

    _drawButton: function() {
        var icon,
            that = this,
            item = this._parseOption(
                this.element.find( "option:selected" ),
                this.element[ 0 ].selectedIndex
            );

        // Associate existing label with the new button
        this.labels = this.element.labels().attr( "for", this.ids.button );
        this._on( this.labels, {
            click: function( event ) {
                this.button.focus();
                event.preventDefault();
            }
        } );

        // Hide original select element
        this.element.hide();

        // Create button
        this.button = $( "<span>", {
            tabindex: this.options.disabled ? -1 : 0,
            id: this.ids.button,
            role: "combobox",
            "aria-expanded": "false",
            "aria-autocomplete": "list",
            "aria-owns": this.ids.menu,
            "aria-haspopup": "true",
            title: this.element.attr( "title" )
        } )
            .insertAfter( this.element );

        this._addClass( this.button, "ui-selectmenu-button ui-selectmenu-button-closed",
            "ui-button ui-widget" );

        icon = $( "<span>" ).appendTo( this.button );
        this._addClass( icon, "ui-selectmenu-icon", "ui-icon " + this.options.icons.button );
        this.buttonItem = this._renderButtonItem( item )
            .appendTo( this.button );

        if ( this.options.width !== false ) {
            this._resizeButton();
        }

        this._on( this.button, this._buttonEvents );
        this.button.one( "focusin", function() {

            // Delay rendering the menu items until the button receives focus.
            // The menu may have already been rendered via a programmatic open.
            if ( !that._rendered ) {
                that._refreshMenu();
            }
        } );
    },

    _drawMenu: function() {
        var that = this;

        // Create menu
        this.menu = $( "<ul>", {
            "aria-hidden": "true",
            "aria-labelledby": this.ids.button,
            id: this.ids.menu
        } );

        // Wrap menu
        this.menuWrap = $( "<div>" ).append( this.menu );
        this._addClass( this.menuWrap, "ui-selectmenu-menu", "ui-front" );
        this.menuWrap.appendTo( this._appendTo() );

        // Initialize menu widget
        this.menuInstance = this.menu
            .menu( {
                classes: {
                    "ui-menu": "ui-corner-bottom"
                },
                role: "listbox",
                select: function( event, ui ) {
                    event.preventDefault();

                    // Support: IE8
                    // If the item was selected via a click, the text selection
                    // will be destroyed in IE
                    that._setSelection();

                    that._select( ui.item.data( "ui-selectmenu-item" ), event );
                },
                focus: function( event, ui ) {
                    var item = ui.item.data( "ui-selectmenu-item" );

                    // Prevent inital focus from firing and check if its a newly focused item
                    if ( that.focusIndex != null && item.index !== that.focusIndex ) {
                        that._trigger( "focus", event, { item: item } );
                        if ( !that.isOpen ) {
                            that._select( item, event );
                        }
                    }
                    that.focusIndex = item.index;

                    that.button.attr( "aria-activedescendant",
                        that.menuItems.eq( item.index ).attr( "id" ) );
                }
            } )
            .menu( "instance" );

        // Don't close the menu on mouseleave
        this.menuInstance._off( this.menu, "mouseleave" );

        // Cancel the menu's collapseAll on document click
        this.menuInstance._closeOnDocumentClick = function() {
            return false;
        };

        // Selects often contain empty items, but never contain dividers
        this.menuInstance._isDivider = function() {
            return false;
        };
    },

    refresh: function() {
        this._refreshMenu();
        this.buttonItem.replaceWith(
            this.buttonItem = this._renderButtonItem(

                // Fall back to an empty object in case there are no options
                this._getSelectedItem().data( "ui-selectmenu-item" ) || {}
            )
        );
        if ( this.options.width === null ) {
            this._resizeButton();
        }
    },

    _refreshMenu: function() {
        var item,
            options = this.element.find( "option" );

        this.menu.empty();

        this._parseOptions( options );
        this._renderMenu( this.menu, this.items );

        this.menuInstance.refresh();
        this.menuItems = this.menu.find( "li" )
            .not( ".ui-selectmenu-optgroup" )
                .find( ".ui-menu-item-wrapper" );

        this._rendered = true;

        if ( !options.length ) {
            return;
        }

        item = this._getSelectedItem();

        // Update the menu to have the correct item focused
        this.menuInstance.focus( null, item );
        this._setAria( item.data( "ui-selectmenu-item" ) );

        // Set disabled state
        this._setOption( "disabled", this.element.prop( "disabled" ) );
    },

    open: function( event ) {
        if ( this.options.disabled ) {
            return;
        }

        // If this is the first time the menu is being opened, render the items
        if ( !this._rendered ) {
            this._refreshMenu();
        } else {

            // Menu clears focus on close, reset focus to selected item
            this._removeClass( this.menu.find( ".ui-state-active" ), null, "ui-state-active" );
            this.menuInstance.focus( null, this._getSelectedItem() );
        }

        // If there are no options, don't open the menu
        if ( !this.menuItems.length ) {
            return;
        }

        this.isOpen = true;
        this._toggleAttr();
        this._resizeMenu();
        this._position();

        this._on( this.document, this._documentClick );

        this._trigger( "open", event );
    },

    _position: function() {
        this.menuWrap.position( $.extend( { of: this.button }, this.options.position ) );
    },

    close: function( event ) {
        if ( !this.isOpen ) {
            return;
        }

        this.isOpen = false;
        this._toggleAttr();

        this.range = null;
        this._off( this.document );

        this._trigger( "close", event );
    },

    widget: function() {
        return this.button;
    },

    menuWidget: function() {
        return this.menu;
    },

    _renderButtonItem: function( item ) {
        var buttonItem = $( "<span>" );

        this._setText( buttonItem, item.label );
        this._addClass( buttonItem, "ui-selectmenu-text" );

        return buttonItem;
    },

    _renderMenu: function( ul, items ) {
        var that = this,
            currentOptgroup = "";

        $.each( items, function( index, item ) {
            var li;

            if ( item.optgroup !== currentOptgroup ) {
                li = $( "<li>", {
                    text: item.optgroup
                } );
                that._addClass( li, "ui-selectmenu-optgroup", "ui-menu-divider" +
                    ( item.element.parent( "optgroup" ).prop( "disabled" ) ?
                        " ui-state-disabled" :
                        "" ) );

                li.appendTo( ul );

                currentOptgroup = item.optgroup;
            }

            that._renderItemData( ul, item );
        } );
    },

    _renderItemData: function( ul, item ) {
        return this._renderItem( ul, item ).data( "ui-selectmenu-item", item );
    },

    _renderItem: function( ul, item ) {
        var li = $( "<li>" ),
            wrapper = $( "<div>", {
                title: item.element.attr( "title" )
            } );

        if ( item.disabled ) {
            this._addClass( li, null, "ui-state-disabled" );
        }
        this._setText( wrapper, item.label );

        return li.append( wrapper ).appendTo( ul );
    },

    _setText: function( element, value ) {
        if ( value ) {
            element.text( value );
        } else {
            element.html( "&#160;" );
        }
    },

    _move: function( direction, event ) {
        var item, next,
            filter = ".ui-menu-item";

        if ( this.isOpen ) {
            item = this.menuItems.eq( this.focusIndex ).parent( "li" );
        } else {
            item = this.menuItems.eq( this.element[ 0 ].selectedIndex ).parent( "li" );
            filter += ":not(.ui-state-disabled)";
        }

        if ( direction === "first" || direction === "last" ) {
            next = item[ direction === "first" ? "prevAll" : "nextAll" ]( filter ).eq( -1 );
        } else {
            next = item[ direction + "All" ]( filter ).eq( 0 );
        }

        if ( next.length ) {
            this.menuInstance.focus( event, next );
        }
    },

    _getSelectedItem: function() {
        return this.menuItems.eq( this.element[ 0 ].selectedIndex ).parent( "li" );
    },

    _toggle: function( event ) {
        this[ this.isOpen ? "close" : "open" ]( event );
    },

    _setSelection: function() {
        var selection;

        if ( !this.range ) {
            return;
        }

        if ( window.getSelection ) {
            selection = window.getSelection();
            selection.removeAllRanges();
            selection.addRange( this.range );

        // Support: IE8
        } else {
            this.range.select();
        }

        // Support: IE
        // Setting the text selection kills the button focus in IE, but
        // restoring the focus doesn't kill the selection.
        this.button.focus();
    },

    _documentClick: {
        mousedown: function( event ) {
            if ( !this.isOpen ) {
                return;
            }

            if ( !$( event.target ).closest( ".ui-selectmenu-menu, #" +
                    $.ui.escapeSelector( this.ids.button ) ).length ) {
                this.close( event );
            }
        }
    },

    _buttonEvents: {

        // Prevent text selection from being reset when interacting with the selectmenu (#10144)
        mousedown: function() {
            var selection;

            if ( window.getSelection ) {
                selection = window.getSelection();
                if ( selection.rangeCount ) {
                    this.range = selection.getRangeAt( 0 );
                }

            // Support: IE8
            } else {
                this.range = document.selection.createRange();
            }
        },

        click: function( event ) {
            this._setSelection();
            this._toggle( event );
        },

        keydown: function( event ) {
            var preventDefault = true;
            switch ( event.keyCode ) {
            case $.ui.keyCode.TAB:
            case $.ui.keyCode.ESCAPE:
                this.close( event );
                preventDefault = false;
                break;
            case $.ui.keyCode.ENTER:
                if ( this.isOpen ) {
                    this._selectFocusedItem( event );
                }
                break;
            case $.ui.keyCode.UP:
                if ( event.altKey ) {
                    this._toggle( event );
                } else {
                    this._move( "prev", event );
                }
                break;
            case $.ui.keyCode.DOWN:
                if ( event.altKey ) {
                    this._toggle( event );
                } else {
                    this._move( "next", event );
                }
                break;
            case $.ui.keyCode.SPACE:
                if ( this.isOpen ) {
                    this._selectFocusedItem( event );
                } else {
                    this._toggle( event );
                }
                break;
            case $.ui.keyCode.LEFT:
                this._move( "prev", event );
                break;
            case $.ui.keyCode.RIGHT:
                this._move( "next", event );
                break;
            case $.ui.keyCode.HOME:
            case $.ui.keyCode.PAGE_UP:
                this._move( "first", event );
                break;
            case $.ui.keyCode.END:
            case $.ui.keyCode.PAGE_DOWN:
                this._move( "last", event );
                break;
            default:
                this.menu.trigger( event );
                preventDefault = false;
            }

            if ( preventDefault ) {
                event.preventDefault();
            }
        }
    },

    _selectFocusedItem: function( event ) {
        var item = this.menuItems.eq( this.focusIndex ).parent( "li" );
        if ( !item.hasClass( "ui-state-disabled" ) ) {
            this._select( item.data( "ui-selectmenu-item" ), event );
        }
    },

    _select: function( item, event ) {
        var oldIndex = this.element[ 0 ].selectedIndex;

        // Change native select element
        this.element[ 0 ].selectedIndex = item.index;
        this.buttonItem.replaceWith( this.buttonItem = this._renderButtonItem( item ) );
        this._setAria( item );
        this._trigger( "select", event, { item: item } );

        if ( item.index !== oldIndex ) {
            this._trigger( "change", event, { item: item } );
        }

        this.close( event );
    },

    _setAria: function( item ) {
        var id = this.menuItems.eq( item.index ).attr( "id" );

        this.button.attr( {
            "aria-labelledby": id,
            "aria-activedescendant": id
        } );
        this.menu.attr( "aria-activedescendant", id );
    },

    _setOption: function( key, value ) {
        if ( key === "icons" ) {
            var icon = this.button.find( "span.ui-icon" );
            this._removeClass( icon, null, this.options.icons.button )
                ._addClass( icon, null, value.button );
        }

        this._super( key, value );

        if ( key === "appendTo" ) {
            this.menuWrap.appendTo( this._appendTo() );
        }

        if ( key === "width" ) {
            this._resizeButton();
        }
    },

    _setOptionDisabled: function( value ) {
        this._super( value );

        this.menuInstance.option( "disabled", value );
        this.button.attr( "aria-disabled", value );
        this._toggleClass( this.button, null, "ui-state-disabled", value );

        this.element.prop( "disabled", value );
        if ( value ) {
            this.button.attr( "tabindex", -1 );
            this.close();
        } else {
            this.button.attr( "tabindex", 0 );
        }
    },

    _appendTo: function() {
        var element = this.options.appendTo;

        if ( element ) {
            element = element.jquery || element.nodeType ?
                $( element ) :
                this.document.find( element ).eq( 0 );
        }

        if ( !element || !element[ 0 ] ) {
            element = this.element.closest( ".ui-front, dialog" );
        }

        if ( !element.length ) {
            element = this.document[ 0 ].body;
        }

        return element;
    },

    _toggleAttr: function() {
        this.button.attr( "aria-expanded", this.isOpen );

        // We can't use two _toggleClass() calls here, because we need to make sure
        // we always remove classes first and add them second, otherwise if both classes have the
        // same theme class, it will be removed after we add it.
        this._removeClass( this.button, "ui-selectmenu-button-" +
            ( this.isOpen ? "closed" : "open" ) )
            ._addClass( this.button, "ui-selectmenu-button-" +
                ( this.isOpen ? "open" : "closed" ) )
            ._toggleClass( this.menuWrap, "ui-selectmenu-open", null, this.isOpen );

        this.menu.attr( "aria-hidden", !this.isOpen );
    },

    _resizeButton: function() {
        var width = this.options.width;

        // For `width: false`, just remove inline style and stop
        if ( width === false ) {
            this.button.css( "width", "" );
            return;
        }

        // For `width: null`, match the width of the original element
        if ( width === null ) {
            width = this.element.show().outerWidth();
            this.element.hide();
        }

        this.button.outerWidth( width );
    },

    _resizeMenu: function() {
        this.menu.outerWidth( Math.max(
            this.button.outerWidth(),

            // Support: IE10
            // IE10 wraps long text (possibly a rounding bug)
            // so we add 1px to avoid the wrapping
            this.menu.width( "" ).outerWidth() + 1
        ) );
    },

    _getCreateOptions: function() {
        var options = this._super();

        options.disabled = this.element.prop( "disabled" );

        return options;
    },

    _parseOptions: function( options ) {
        var that = this,
            data = [];
        options.each( function( index, item ) {
            data.push( that._parseOption( $( item ), index ) );
        } );
        this.items = data;
    },

    _parseOption: function( option, index ) {
        var optgroup = option.parent( "optgroup" );

        return {
            element: option,
            index: index,
            value: option.val(),
            label: option.text(),
            optgroup: optgroup.attr( "label" ) || "",
            disabled: optgroup.prop( "disabled" ) || option.prop( "disabled" )
        };
    },

    _destroy: function() {
        this._unbindFormResetHandler();
        this.menuWrap.remove();
        this.button.remove();
        this.element.show();
        this.element.removeUniqueId();
        this.labels.attr( "for", this.ids.element );
    }
} ] );


//>>label: Slider
//>>group: Widgets
//>>description: Displays a flexible slider with ranges and accessibility via keyboard.
//>>docs: http://api.jqueryui.com/slider/
//>>demos: http://jqueryui.com/slider/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/slider.css
//>>css.theme: ../../themes/base/theme.css



var widgetsSlider = $.widget( "ui.slider", $.ui.mouse, {
    version: "1.12.1",
    widgetEventPrefix: "slide",

    options: {
        animate: false,
        classes: {
            "ui-slider": "ui-corner-all",
            "ui-slider-handle": "ui-corner-all",

            // Note: ui-widget-header isn't the most fittingly semantic framework class for this
            // element, but worked best visually with a variety of themes
            "ui-slider-range": "ui-corner-all ui-widget-header"
        },
        distance: 0,
        max: 100,
        min: 0,
        orientation: "horizontal",
        range: false,
        step: 1,
        value: 0,
        values: null,

        // Callbacks
        change: null,
        slide: null,
        start: null,
        stop: null
    },

    // Number of pages in a slider
    // (how many times can you page up/down to go through the whole range)
    numPages: 5,

    _create: function() {
        this._keySliding = false;
        this._mouseSliding = false;
        this._animateOff = true;
        this._handleIndex = null;
        this._detectOrientation();
        this._mouseInit();
        this._calculateNewMax();

        this._addClass( "ui-slider ui-slider-" + this.orientation,
            "ui-widget ui-widget-content" );

        this._refresh();

        this._animateOff = false;
    },

    _refresh: function() {
        this._createRange();
        this._createHandles();
        this._setupEvents();
        this._refreshValue();
    },

    _createHandles: function() {
        var i, handleCount,
            options = this.options,
            existingHandles = this.element.find( ".ui-slider-handle" ),
            handle = "<span tabindex='0'></span>",
            handles = [];

        handleCount = ( options.values && options.values.length ) || 1;

        if ( existingHandles.length > handleCount ) {
            existingHandles.slice( handleCount ).remove();
            existingHandles = existingHandles.slice( 0, handleCount );
        }

        for ( i = existingHandles.length; i < handleCount; i++ ) {
            handles.push( handle );
        }

        this.handles = existingHandles.add( $( handles.join( "" ) ).appendTo( this.element ) );

        this._addClass( this.handles, "ui-slider-handle", "ui-state-default" );

        this.handle = this.handles.eq( 0 );

        this.handles.each( function( i ) {
            $( this )
                .data( "ui-slider-handle-index", i )
                .attr( "tabIndex", 0 );
        } );
    },

    _createRange: function() {
        var options = this.options;

        if ( options.range ) {
            if ( options.range === true ) {
                if ( !options.values ) {
                    options.values = [ this._valueMin(), this._valueMin() ];
                } else if ( options.values.length && options.values.length !== 2 ) {
                    options.values = [ options.values[ 0 ], options.values[ 0 ] ];
                } else if ( $.isArray( options.values ) ) {
                    options.values = options.values.slice( 0 );
                }
            }

            if ( !this.range || !this.range.length ) {
                this.range = $( "<div>" )
                    .appendTo( this.element );

                this._addClass( this.range, "ui-slider-range" );
            } else {
                this._removeClass( this.range, "ui-slider-range-min ui-slider-range-max" );

                // Handle range switching from true to min/max
                this.range.css( {
                    "left": "",
                    "bottom": ""
                } );
            }
            if ( options.range === "min" || options.range === "max" ) {
                this._addClass( this.range, "ui-slider-range-" + options.range );
            }
        } else {
            if ( this.range ) {
                this.range.remove();
            }
            this.range = null;
        }
    },

    _setupEvents: function() {
        this._off( this.handles );
        this._on( this.handles, this._handleEvents );
        this._hoverable( this.handles );
        this._focusable( this.handles );
    },

    _destroy: function() {
        this.handles.remove();
        if ( this.range ) {
            this.range.remove();
        }

        this._mouseDestroy();
    },

    _mouseCapture: function( event ) {
        var position, normValue, distance, closestHandle, index, allowed, offset, mouseOverHandle,
            that = this,
            o = this.options;

        if ( o.disabled ) {
            return false;
        }

        this.elementSize = {
            width: this.element.outerWidth(),
            height: this.element.outerHeight()
        };
        this.elementOffset = this.element.offset();

        position = { x: event.pageX, y: event.pageY };
        normValue = this._normValueFromMouse( position );
        distance = this._valueMax() - this._valueMin() + 1;
        this.handles.each( function( i ) {
            var thisDistance = Math.abs( normValue - that.values( i ) );
            if ( ( distance > thisDistance ) ||
                ( distance === thisDistance &&
                    ( i === that._lastChangedValue || that.values( i ) === o.min ) ) ) {
                distance = thisDistance;
                closestHandle = $( this );
                index = i;
            }
        } );

        allowed = this._start( event, index );
        if ( allowed === false ) {
            return false;
        }
        this._mouseSliding = true;

        this._handleIndex = index;

        this._addClass( closestHandle, null, "ui-state-active" );
        closestHandle.trigger( "focus" );

        offset = closestHandle.offset();
        mouseOverHandle = !$( event.target ).parents().addBack().is( ".ui-slider-handle" );
        this._clickOffset = mouseOverHandle ? { left: 0, top: 0 } : {
            left: event.pageX - offset.left - ( closestHandle.width() / 2 ),
            top: event.pageY - offset.top -
                ( closestHandle.height() / 2 ) -
                ( parseInt( closestHandle.css( "borderTopWidth" ), 10 ) || 0 ) -
                ( parseInt( closestHandle.css( "borderBottomWidth" ), 10 ) || 0 ) +
                ( parseInt( closestHandle.css( "marginTop" ), 10 ) || 0 )
        };

        if ( !this.handles.hasClass( "ui-state-hover" ) ) {
            this._slide( event, index, normValue );
        }
        this._animateOff = true;
        return true;
    },

    _mouseStart: function() {
        return true;
    },

    _mouseDrag: function( event ) {
        var position = { x: event.pageX, y: event.pageY },
            normValue = this._normValueFromMouse( position );

        this._slide( event, this._handleIndex, normValue );

        return false;
    },

    _mouseStop: function( event ) {
        this._removeClass( this.handles, null, "ui-state-active" );
        this._mouseSliding = false;

        this._stop( event, this._handleIndex );
        this._change( event, this._handleIndex );

        this._handleIndex = null;
        this._clickOffset = null;
        this._animateOff = false;

        return false;
    },

    _detectOrientation: function() {
        this.orientation = ( this.options.orientation === "vertical" ) ? "vertical" : "horizontal";
    },

    _normValueFromMouse: function( position ) {
        var pixelTotal,
            pixelMouse,
            percentMouse,
            valueTotal,
            valueMouse;

        if ( this.orientation === "horizontal" ) {
            pixelTotal = this.elementSize.width;
            pixelMouse = position.x - this.elementOffset.left -
                ( this._clickOffset ? this._clickOffset.left : 0 );
        } else {
            pixelTotal = this.elementSize.height;
            pixelMouse = position.y - this.elementOffset.top -
                ( this._clickOffset ? this._clickOffset.top : 0 );
        }

        percentMouse = ( pixelMouse / pixelTotal );
        if ( percentMouse > 1 ) {
            percentMouse = 1;
        }
        if ( percentMouse < 0 ) {
            percentMouse = 0;
        }
        if ( this.orientation === "vertical" ) {
            percentMouse = 1 - percentMouse;
        }

        valueTotal = this._valueMax() - this._valueMin();
        valueMouse = this._valueMin() + percentMouse * valueTotal;

        return this._trimAlignValue( valueMouse );
    },

    _uiHash: function( index, value, values ) {
        var uiHash = {
            handle: this.handles[ index ],
            handleIndex: index,
            value: value !== undefined ? value : this.value()
        };

        if ( this._hasMultipleValues() ) {
            uiHash.value = value !== undefined ? value : this.values( index );
            uiHash.values = values || this.values();
        }

        return uiHash;
    },

    _hasMultipleValues: function() {
        return this.options.values && this.options.values.length;
    },

    _start: function( event, index ) {
        return this._trigger( "start", event, this._uiHash( index ) );
    },

    _slide: function( event, index, newVal ) {
        var allowed, otherVal,
            currentValue = this.value(),
            newValues = this.values();

        if ( this._hasMultipleValues() ) {
            otherVal = this.values( index ? 0 : 1 );
            currentValue = this.values( index );

            if ( this.options.values.length === 2 && this.options.range === true ) {
                newVal =  index === 0 ? Math.min( otherVal, newVal ) : Math.max( otherVal, newVal );
            }

            newValues[ index ] = newVal;
        }

        if ( newVal === currentValue ) {
            return;
        }

        allowed = this._trigger( "slide", event, this._uiHash( index, newVal, newValues ) );

        // A slide can be canceled by returning false from the slide callback
        if ( allowed === false ) {
            return;
        }

        if ( this._hasMultipleValues() ) {
            this.values( index, newVal );
        } else {
            this.value( newVal );
        }
    },

    _stop: function( event, index ) {
        this._trigger( "stop", event, this._uiHash( index ) );
    },

    _change: function( event, index ) {
        if ( !this._keySliding && !this._mouseSliding ) {

            //store the last changed value index for reference when handles overlap
            this._lastChangedValue = index;
            this._trigger( "change", event, this._uiHash( index ) );
        }
    },

    value: function( newValue ) {
        if ( arguments.length ) {
            this.options.value = this._trimAlignValue( newValue );
            this._refreshValue();
            this._change( null, 0 );
            return;
        }

        return this._value();
    },

    values: function( index, newValue ) {
        var vals,
            newValues,
            i;

        if ( arguments.length > 1 ) {
            this.options.values[ index ] = this._trimAlignValue( newValue );
            this._refreshValue();
            this._change( null, index );
            return;
        }

        if ( arguments.length ) {
            if ( $.isArray( arguments[ 0 ] ) ) {
                vals = this.options.values;
                newValues = arguments[ 0 ];
                for ( i = 0; i < vals.length; i += 1 ) {
                    vals[ i ] = this._trimAlignValue( newValues[ i ] );
                    this._change( null, i );
                }
                this._refreshValue();
            } else {
                if ( this._hasMultipleValues() ) {
                    return this._values( index );
                } else {
                    return this.value();
                }
            }
        } else {
            return this._values();
        }
    },

    _setOption: function( key, value ) {
        var i,
            valsLength = 0;

        if ( key === "range" && this.options.range === true ) {
            if ( value === "min" ) {
                this.options.value = this._values( 0 );
                this.options.values = null;
            } else if ( value === "max" ) {
                this.options.value = this._values( this.options.values.length - 1 );
                this.options.values = null;
            }
        }

        if ( $.isArray( this.options.values ) ) {
            valsLength = this.options.values.length;
        }

        this._super( key, value );

        switch ( key ) {
            case "orientation":
                this._detectOrientation();
                this._removeClass( "ui-slider-horizontal ui-slider-vertical" )
                    ._addClass( "ui-slider-" + this.orientation );
                this._refreshValue();
                if ( this.options.range ) {
                    this._refreshRange( value );
                }

                // Reset positioning from previous orientation
                this.handles.css( value === "horizontal" ? "bottom" : "left", "" );
                break;
            case "value":
                this._animateOff = true;
                this._refreshValue();
                this._change( null, 0 );
                this._animateOff = false;
                break;
            case "values":
                this._animateOff = true;
                this._refreshValue();

                // Start from the last handle to prevent unreachable handles (#9046)
                for ( i = valsLength - 1; i >= 0; i-- ) {
                    this._change( null, i );
                }
                this._animateOff = false;
                break;
            case "step":
            case "min":
            case "max":
                this._animateOff = true;
                this._calculateNewMax();
                this._refreshValue();
                this._animateOff = false;
                break;
            case "range":
                this._animateOff = true;
                this._refresh();
                this._animateOff = false;
                break;
        }
    },

    _setOptionDisabled: function( value ) {
        this._super( value );

        this._toggleClass( null, "ui-state-disabled", !!value );
    },

    //internal value getter
    // _value() returns value trimmed by min and max, aligned by step
    _value: function() {
        var val = this.options.value;
        val = this._trimAlignValue( val );

        return val;
    },

    //internal values getter
    // _values() returns array of values trimmed by min and max, aligned by step
    // _values( index ) returns single value trimmed by min and max, aligned by step
    _values: function( index ) {
        var val,
            vals,
            i;

        if ( arguments.length ) {
            val = this.options.values[ index ];
            val = this._trimAlignValue( val );

            return val;
        } else if ( this._hasMultipleValues() ) {

            // .slice() creates a copy of the array
            // this copy gets trimmed by min and max and then returned
            vals = this.options.values.slice();
            for ( i = 0; i < vals.length; i += 1 ) {
                vals[ i ] = this._trimAlignValue( vals[ i ] );
            }

            return vals;
        } else {
            return [];
        }
    },

    // Returns the step-aligned value that val is closest to, between (inclusive) min and max
    _trimAlignValue: function( val ) {
        if ( val <= this._valueMin() ) {
            return this._valueMin();
        }
        if ( val >= this._valueMax() ) {
            return this._valueMax();
        }
        var step = ( this.options.step > 0 ) ? this.options.step : 1,
            valModStep = ( val - this._valueMin() ) % step,
            alignValue = val - valModStep;

        if ( Math.abs( valModStep ) * 2 >= step ) {
            alignValue += ( valModStep > 0 ) ? step : ( -step );
        }

        // Since JavaScript has problems with large floats, round
        // the final value to 5 digits after the decimal point (see #4124)
        return parseFloat( alignValue.toFixed( 5 ) );
    },

    _calculateNewMax: function() {
        var max = this.options.max,
            min = this._valueMin(),
            step = this.options.step,
            aboveMin = Math.round( ( max - min ) / step ) * step;
        max = aboveMin + min;
        if ( max > this.options.max ) {

            //If max is not divisible by step, rounding off may increase its value
            max -= step;
        }
        this.max = parseFloat( max.toFixed( this._precision() ) );
    },

    _precision: function() {
        var precision = this._precisionOf( this.options.step );
        if ( this.options.min !== null ) {
            precision = Math.max( precision, this._precisionOf( this.options.min ) );
        }
        return precision;
    },

    _precisionOf: function( num ) {
        var str = num.toString(),
            decimal = str.indexOf( "." );
        return decimal === -1 ? 0 : str.length - decimal - 1;
    },

    _valueMin: function() {
        return this.options.min;
    },

    _valueMax: function() {
        return this.max;
    },

    _refreshRange: function( orientation ) {
        if ( orientation === "vertical" ) {
            this.range.css( { "width": "", "left": "" } );
        }
        if ( orientation === "horizontal" ) {
            this.range.css( { "height": "", "bottom": "" } );
        }
    },

    _refreshValue: function() {
        var lastValPercent, valPercent, value, valueMin, valueMax,
            oRange = this.options.range,
            o = this.options,
            that = this,
            animate = ( !this._animateOff ) ? o.animate : false,
            _set = {};

        if ( this._hasMultipleValues() ) {
            this.handles.each( function( i ) {
                valPercent = ( that.values( i ) - that._valueMin() ) / ( that._valueMax() -
                    that._valueMin() ) * 100;
                _set[ that.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
                $( this ).stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
                if ( that.options.range === true ) {
                    if ( that.orientation === "horizontal" ) {
                        if ( i === 0 ) {
                            that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
                                left: valPercent + "%"
                            }, o.animate );
                        }
                        if ( i === 1 ) {
                            that.range[ animate ? "animate" : "css" ]( {
                                width: ( valPercent - lastValPercent ) + "%"
                            }, {
                                queue: false,
                                duration: o.animate
                            } );
                        }
                    } else {
                        if ( i === 0 ) {
                            that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
                                bottom: ( valPercent ) + "%"
                            }, o.animate );
                        }
                        if ( i === 1 ) {
                            that.range[ animate ? "animate" : "css" ]( {
                                height: ( valPercent - lastValPercent ) + "%"
                            }, {
                                queue: false,
                                duration: o.animate
                            } );
                        }
                    }
                }
                lastValPercent = valPercent;
            } );
        } else {
            value = this.value();
            valueMin = this._valueMin();
            valueMax = this._valueMax();
            valPercent = ( valueMax !== valueMin ) ?
                    ( value - valueMin ) / ( valueMax - valueMin ) * 100 :
                    0;
            _set[ this.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
            this.handle.stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );

            if ( oRange === "min" && this.orientation === "horizontal" ) {
                this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
                    width: valPercent + "%"
                }, o.animate );
            }
            if ( oRange === "max" && this.orientation === "horizontal" ) {
                this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
                    width: ( 100 - valPercent ) + "%"
                }, o.animate );
            }
            if ( oRange === "min" && this.orientation === "vertical" ) {
                this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
                    height: valPercent + "%"
                }, o.animate );
            }
            if ( oRange === "max" && this.orientation === "vertical" ) {
                this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
                    height: ( 100 - valPercent ) + "%"
                }, o.animate );
            }
        }
    },

    _handleEvents: {
        keydown: function( event ) {
            var allowed, curVal, newVal, step,
                index = $( event.target ).data( "ui-slider-handle-index" );

            switch ( event.keyCode ) {
                case $.ui.keyCode.HOME:
                case $.ui.keyCode.END:
                case $.ui.keyCode.PAGE_UP:
                case $.ui.keyCode.PAGE_DOWN:
                case $.ui.keyCode.UP:
                case $.ui.keyCode.RIGHT:
                case $.ui.keyCode.DOWN:
                case $.ui.keyCode.LEFT:
                    event.preventDefault();
                    if ( !this._keySliding ) {
                        this._keySliding = true;
                        this._addClass( $( event.target ), null, "ui-state-active" );
                        allowed = this._start( event, index );
                        if ( allowed === false ) {
                            return;
                        }
                    }
                    break;
            }

            step = this.options.step;
            if ( this._hasMultipleValues() ) {
                curVal = newVal = this.values( index );
            } else {
                curVal = newVal = this.value();
            }

            switch ( event.keyCode ) {
                case $.ui.keyCode.HOME:
                    newVal = this._valueMin();
                    break;
                case $.ui.keyCode.END:
                    newVal = this._valueMax();
                    break;
                case $.ui.keyCode.PAGE_UP:
                    newVal = this._trimAlignValue(
                        curVal + ( ( this._valueMax() - this._valueMin() ) / this.numPages )
                    );
                    break;
                case $.ui.keyCode.PAGE_DOWN:
                    newVal = this._trimAlignValue(
                        curVal - ( ( this._valueMax() - this._valueMin() ) / this.numPages ) );
                    break;
                case $.ui.keyCode.UP:
                case $.ui.keyCode.RIGHT:
                    if ( curVal === this._valueMax() ) {
                        return;
                    }
                    newVal = this._trimAlignValue( curVal + step );
                    break;
                case $.ui.keyCode.DOWN:
                case $.ui.keyCode.LEFT:
                    if ( curVal === this._valueMin() ) {
                        return;
                    }
                    newVal = this._trimAlignValue( curVal - step );
                    break;
            }

            this._slide( event, index, newVal );
        },
        keyup: function( event ) {
            var index = $( event.target ).data( "ui-slider-handle-index" );

            if ( this._keySliding ) {
                this._keySliding = false;
                this._stop( event, index );
                this._change( event, index );
                this._removeClass( $( event.target ), null, "ui-state-active" );
            }
        }
    }
} );


//>>label: Sortable
//>>group: Interactions
//>>description: Enables items in a list to be sorted using the mouse.
//>>docs: http://api.jqueryui.com/sortable/
//>>demos: http://jqueryui.com/sortable/
//>>css.structure: ../../themes/base/sortable.css



var widgetsSortable = $.widget( "ui.sortable", $.ui.mouse, {
    version: "1.12.1",
    widgetEventPrefix: "sort",
    ready: false,
    options: {
        appendTo: "parent",
        axis: false,
        connectWith: false,
        containment: false,
        cursor: "auto",
        cursorAt: false,
        dropOnEmpty: true,
        forcePlaceholderSize: false,
        forceHelperSize: false,
        grid: false,
        handle: false,
        helper: "original",
        items: "> *",
        opacity: false,
        placeholder: false,
        revert: false,
        scroll: true,
        scrollSensitivity: 20,
        scrollSpeed: 20,
        scope: "default",
        tolerance: "intersect",
        zIndex: 1000,

        // Callbacks
        activate: null,
        beforeStop: null,
        change: null,
        deactivate: null,
        out: null,
        over: null,
        receive: null,
        remove: null,
        sort: null,
        start: null,
        stop: null,
        update: null
    },

    _isOverAxis: function( x, reference, size ) {
        return ( x >= reference ) && ( x < ( reference + size ) );
    },

    _isFloating: function( item ) {
        return ( /left|right/ ).test( item.css( "float" ) ) ||
            ( /inline|table-cell/ ).test( item.css( "display" ) );
    },

    _create: function() {
        this.containerCache = {};
        this._addClass( "ui-sortable" );

        //Get the items
        this.refresh();

        //Let's determine the parent's offset
        this.offset = this.element.offset();

        //Initialize mouse events for interaction
        this._mouseInit();

        this._setHandleClassName();

        //We're ready to go
        this.ready = true;

    },

    _setOption: function( key, value ) {
        this._super( key, value );

        if ( key === "handle" ) {
            this._setHandleClassName();
        }
    },

    _setHandleClassName: function() {
        var that = this;
        this._removeClass( this.element.find( ".ui-sortable-handle" ), "ui-sortable-handle" );
        $.each( this.items, function() {
            that._addClass(
                this.instance.options.handle ?
                    this.item.find( this.instance.options.handle ) :
                    this.item,
                "ui-sortable-handle"
            );
        } );
    },

    _destroy: function() {
        this._mouseDestroy();

        for ( var i = this.items.length - 1; i >= 0; i-- ) {
            this.items[ i ].item.removeData( this.widgetName + "-item" );
        }

        return this;
    },

    _mouseCapture: function( event, overrideHandle ) {
        var currentItem = null,
            validHandle = false,
            that = this;

        if ( this.reverting ) {
            return false;
        }

        if ( this.options.disabled || this.options.type === "static" ) {
            return false;
        }

        //We have to refresh the items data once first
        this._refreshItems( event );

        //Find out if the clicked node (or one of its parents) is a actual item in this.items
        $( event.target ).parents().each( function() {
            if ( $.data( this, that.widgetName + "-item" ) === that ) {
                currentItem = $( this );
                return false;
            }
        } );
        if ( $.data( event.target, that.widgetName + "-item" ) === that ) {
            currentItem = $( event.target );
        }

        if ( !currentItem ) {
            return false;
        }
        if ( this.options.handle && !overrideHandle ) {
            $( this.options.handle, currentItem ).find( "*" ).addBack().each( function() {
                if ( this === event.target ) {
                    validHandle = true;
                }
            } );
            if ( !validHandle ) {
                return false;
            }
        }

        this.currentItem = currentItem;
        this._removeCurrentsFromItems();
        return true;

    },

    _mouseStart: function( event, overrideHandle, noActivation ) {

        var i, body,
            o = this.options;

        this.currentContainer = this;

        //We only need to call refreshPositions, because the refreshItems call has been moved to
        // mouseCapture
        this.refreshPositions();

        //Create and append the visible helper
        this.helper = this._createHelper( event );

        //Cache the helper size
        this._cacheHelperProportions();

        /*
         * - Position generation -
         * This block generates everything position related - it's the core of draggables.
         */

        //Cache the margins of the original element
        this._cacheMargins();

        //Get the next scrolling parent
        this.scrollParent = this.helper.scrollParent();

        //The element's absolute position on the page minus margins
        this.offset = this.currentItem.offset();
        this.offset = {
            top: this.offset.top - this.margins.top,
            left: this.offset.left - this.margins.left
        };

        $.extend( this.offset, {
            click: { //Where the click happened, relative to the element
                left: event.pageX - this.offset.left,
                top: event.pageY - this.offset.top
            },
            parent: this._getParentOffset(),

            // This is a relative to absolute position minus the actual position calculation -
            // only used for relative positioned helper
            relative: this._getRelativeOffset()
        } );

        // Only after we got the offset, we can change the helper's position to absolute
        // TODO: Still need to figure out a way to make relative sorting possible
        this.helper.css( "position", "absolute" );
        this.cssPosition = this.helper.css( "position" );

        //Generate the original position
        this.originalPosition = this._generatePosition( event );
        this.originalPageX = event.pageX;
        this.originalPageY = event.pageY;

        //Adjust the mouse offset relative to the helper if "cursorAt" is supplied
        ( o.cursorAt && this._adjustOffsetFromHelper( o.cursorAt ) );

        //Cache the former DOM position
        this.domPosition = {
            prev: this.currentItem.prev()[ 0 ],
            parent: this.currentItem.parent()[ 0 ]
        };

        // If the helper is not the original, hide the original so it's not playing any role during
        // the drag, won't cause anything bad this way
        if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) {
            this.currentItem.hide();
        }

        //Create the placeholder
        this._createPlaceholder();

        //Set a containment if given in the options
        if ( o.containment ) {
            this._setContainment();
        }

        if ( o.cursor && o.cursor !== "auto" ) { // cursor option
            body = this.document.find( "body" );

            // Support: IE
            this.storedCursor = body.css( "cursor" );
            body.css( "cursor", o.cursor );

            this.storedStylesheet =
                $( "<style>*{ cursor: " + o.cursor + " !important; }</style>" ).appendTo( body );
        }

        if ( o.opacity ) { // opacity option
            if ( this.helper.css( "opacity" ) ) {
                this._storedOpacity = this.helper.css( "opacity" );
            }
            this.helper.css( "opacity", o.opacity );
        }

        if ( o.zIndex ) { // zIndex option
            if ( this.helper.css( "zIndex" ) ) {
                this._storedZIndex = this.helper.css( "zIndex" );
            }
            this.helper.css( "zIndex", o.zIndex );
        }

        //Prepare scrolling
        if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
                this.scrollParent[ 0 ].tagName !== "HTML" ) {
            this.overflowOffset = this.scrollParent.offset();
        }

        //Call callbacks
        this._trigger( "start", event, this._uiHash() );

        //Recache the helper size
        if ( !this._preserveHelperProportions ) {
            this._cacheHelperProportions();
        }

        //Post "activate" events to possible containers
        if ( !noActivation ) {
            for ( i = this.containers.length - 1; i >= 0; i-- ) {
                this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) );
            }
        }

        //Prepare possible droppables
        if ( $.ui.ddmanager ) {
            $.ui.ddmanager.current = this;
        }

        if ( $.ui.ddmanager && !o.dropBehaviour ) {
            $.ui.ddmanager.prepareOffsets( this, event );
        }

        this.dragging = true;

        this._addClass( this.helper, "ui-sortable-helper" );

        // Execute the drag once - this causes the helper not to be visiblebefore getting its
        // correct position
        this._mouseDrag( event );
        return true;

    },

    _mouseDrag: function( event ) {
        var i, item, itemElement, intersection,
            o = this.options,
            scrolled = false;

        //Compute the helpers position
        this.position = this._generatePosition( event );
        this.positionAbs = this._convertPositionTo( "absolute" );

        if ( !this.lastPositionAbs ) {
            this.lastPositionAbs = this.positionAbs;
        }

        //Do scrolling
        if ( this.options.scroll ) {
            if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
                    this.scrollParent[ 0 ].tagName !== "HTML" ) {

                if ( ( this.overflowOffset.top + this.scrollParent[ 0 ].offsetHeight ) -
                        event.pageY < o.scrollSensitivity ) {
                    this.scrollParent[ 0 ].scrollTop =
                        scrolled = this.scrollParent[ 0 ].scrollTop + o.scrollSpeed;
                } else if ( event.pageY - this.overflowOffset.top < o.scrollSensitivity ) {
                    this.scrollParent[ 0 ].scrollTop =
                        scrolled = this.scrollParent[ 0 ].scrollTop - o.scrollSpeed;
                }

                if ( ( this.overflowOffset.left + this.scrollParent[ 0 ].offsetWidth ) -
                        event.pageX < o.scrollSensitivity ) {
                    this.scrollParent[ 0 ].scrollLeft = scrolled =
                        this.scrollParent[ 0 ].scrollLeft + o.scrollSpeed;
                } else if ( event.pageX - this.overflowOffset.left < o.scrollSensitivity ) {
                    this.scrollParent[ 0 ].scrollLeft = scrolled =
                        this.scrollParent[ 0 ].scrollLeft - o.scrollSpeed;
                }

            } else {

                if ( event.pageY - this.document.scrollTop() < o.scrollSensitivity ) {
                    scrolled = this.document.scrollTop( this.document.scrollTop() - o.scrollSpeed );
                } else if ( this.window.height() - ( event.pageY - this.document.scrollTop() ) <
                        o.scrollSensitivity ) {
                    scrolled = this.document.scrollTop( this.document.scrollTop() + o.scrollSpeed );
                }

                if ( event.pageX - this.document.scrollLeft() < o.scrollSensitivity ) {
                    scrolled = this.document.scrollLeft(
                        this.document.scrollLeft() - o.scrollSpeed
                    );
                } else if ( this.window.width() - ( event.pageX - this.document.scrollLeft() ) <
                        o.scrollSensitivity ) {
                    scrolled = this.document.scrollLeft(
                        this.document.scrollLeft() + o.scrollSpeed
                    );
                }

            }

            if ( scrolled !== false && $.ui.ddmanager && !o.dropBehaviour ) {
                $.ui.ddmanager.prepareOffsets( this, event );
            }
        }

        //Regenerate the absolute position used for position checks
        this.positionAbs = this._convertPositionTo( "absolute" );

        //Set the helper position
        if ( !this.options.axis || this.options.axis !== "y" ) {
            this.helper[ 0 ].style.left = this.position.left + "px";
        }
        if ( !this.options.axis || this.options.axis !== "x" ) {
            this.helper[ 0 ].style.top = this.position.top + "px";
        }

        //Rearrange
        for ( i = this.items.length - 1; i >= 0; i-- ) {

            //Cache variables and intersection, continue if no intersection
            item = this.items[ i ];
            itemElement = item.item[ 0 ];
            intersection = this._intersectsWithPointer( item );
            if ( !intersection ) {
                continue;
            }

            // Only put the placeholder inside the current Container, skip all
            // items from other containers. This works because when moving
            // an item from one container to another the
            // currentContainer is switched before the placeholder is moved.
            //
            // Without this, moving items in "sub-sortables" can cause
            // the placeholder to jitter between the outer and inner container.
            if ( item.instance !== this.currentContainer ) {
                continue;
            }

            // Cannot intersect with itself
            // no useless actions that have been done before
            // no action if the item moved is the parent of the item checked
            if ( itemElement !== this.currentItem[ 0 ] &&
                this.placeholder[ intersection === 1 ? "next" : "prev" ]()[ 0 ] !== itemElement &&
                !$.contains( this.placeholder[ 0 ], itemElement ) &&
                ( this.options.type === "semi-dynamic" ?
                    !$.contains( this.element[ 0 ], itemElement ) :
                    true
                )
            ) {

                this.direction = intersection === 1 ? "down" : "up";

                if ( this.options.tolerance === "pointer" || this._intersectsWithSides( item ) ) {
                    this._rearrange( event, item );
                } else {
                    break;
                }

                this._trigger( "change", event, this._uiHash() );
                break;
            }
        }

        //Post events to containers
        this._contactContainers( event );

        //Interconnect with droppables
        if ( $.ui.ddmanager ) {
            $.ui.ddmanager.drag( this, event );
        }

        //Call callbacks
        this._trigger( "sort", event, this._uiHash() );

        this.lastPositionAbs = this.positionAbs;
        return false;

    },

    _mouseStop: function( event, noPropagation ) {

        if ( !event ) {
            return;
        }

        //If we are using droppables, inform the manager about the drop
        if ( $.ui.ddmanager && !this.options.dropBehaviour ) {
            $.ui.ddmanager.drop( this, event );
        }

        if ( this.options.revert ) {
            var that = this,
                cur = this.placeholder.offset(),
                axis = this.options.axis,
                animation = {};

            if ( !axis || axis === "x" ) {
                animation.left = cur.left - this.offset.parent.left - this.margins.left +
                    ( this.offsetParent[ 0 ] === this.document[ 0 ].body ?
                        0 :
                        this.offsetParent[ 0 ].scrollLeft
                    );
            }
            if ( !axis || axis === "y" ) {
                animation.top = cur.top - this.offset.parent.top - this.margins.top +
                    ( this.offsetParent[ 0 ] === this.document[ 0 ].body ?
                        0 :
                        this.offsetParent[ 0 ].scrollTop
                    );
            }
            this.reverting = true;
            $( this.helper ).animate(
                animation,
                parseInt( this.options.revert, 10 ) || 500,
                function() {
                    that._clear( event );
                }
            );
        } else {
            this._clear( event, noPropagation );
        }

        return false;

    },

    cancel: function() {

        if ( this.dragging ) {

            this._mouseUp( new $.Event( "mouseup", { target: null } ) );

            if ( this.options.helper === "original" ) {
                this.currentItem.css( this._storedCSS );
                this._removeClass( this.currentItem, "ui-sortable-helper" );
            } else {
                this.currentItem.show();
            }

            //Post deactivating events to containers
            for ( var i = this.containers.length - 1; i >= 0; i-- ) {
                this.containers[ i ]._trigger( "deactivate", null, this._uiHash( this ) );
                if ( this.containers[ i ].containerCache.over ) {
                    this.containers[ i ]._trigger( "out", null, this._uiHash( this ) );
                    this.containers[ i ].containerCache.over = 0;
                }
            }

        }

        if ( this.placeholder ) {

            //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately,
            // it unbinds ALL events from the original node!
            if ( this.placeholder[ 0 ].parentNode ) {
                this.placeholder[ 0 ].parentNode.removeChild( this.placeholder[ 0 ] );
            }
            if ( this.options.helper !== "original" && this.helper &&
                    this.helper[ 0 ].parentNode ) {
                this.helper.remove();
            }

            $.extend( this, {
                helper: null,
                dragging: false,
                reverting: false,
                _noFinalSort: null
            } );

            if ( this.domPosition.prev ) {
                $( this.domPosition.prev ).after( this.currentItem );
            } else {
                $( this.domPosition.parent ).prepend( this.currentItem );
            }
        }

        return this;

    },

    serialize: function( o ) {

        var items = this._getItemsAsjQuery( o && o.connected ),
            str = [];
        o = o || {};

        $( items ).each( function() {
            var res = ( $( o.item || this ).attr( o.attribute || "id" ) || "" )
                .match( o.expression || ( /(.+)[\-=_](.+)/ ) );
            if ( res ) {
                str.push(
                    ( o.key || res[ 1 ] + "[]" ) +
                    "=" + ( o.key && o.expression ? res[ 1 ] : res[ 2 ] ) );
            }
        } );

        if ( !str.length && o.key ) {
            str.push( o.key + "=" );
        }

        return str.join( "&" );

    },

    toArray: function( o ) {

        var items = this._getItemsAsjQuery( o && o.connected ),
            ret = [];

        o = o || {};

        items.each( function() {
            ret.push( $( o.item || this ).attr( o.attribute || "id" ) || "" );
        } );
        return ret;

    },

    /* Be careful with the following core functions */
    _intersectsWith: function( item ) {

        var x1 = this.positionAbs.left,
            x2 = x1 + this.helperProportions.width,
            y1 = this.positionAbs.top,
            y2 = y1 + this.helperProportions.height,
            l = item.left,
            r = l + item.width,
            t = item.top,
            b = t + item.height,
            dyClick = this.offset.click.top,
            dxClick = this.offset.click.left,
            isOverElementHeight = ( this.options.axis === "x" ) || ( ( y1 + dyClick ) > t &&
                ( y1 + dyClick ) < b ),
            isOverElementWidth = ( this.options.axis === "y" ) || ( ( x1 + dxClick ) > l &&
                ( x1 + dxClick ) < r ),
            isOverElement = isOverElementHeight && isOverElementWidth;

        if ( this.options.tolerance === "pointer" ||
            this.options.forcePointerForContainers ||
            ( this.options.tolerance !== "pointer" &&
                this.helperProportions[ this.floating ? "width" : "height" ] >
                item[ this.floating ? "width" : "height" ] )
        ) {
            return isOverElement;
        } else {

            return ( l < x1 + ( this.helperProportions.width / 2 ) && // Right Half
                x2 - ( this.helperProportions.width / 2 ) < r && // Left Half
                t < y1 + ( this.helperProportions.height / 2 ) && // Bottom Half
                y2 - ( this.helperProportions.height / 2 ) < b ); // Top Half

        }
    },

    _intersectsWithPointer: function( item ) {
        var verticalDirection, horizontalDirection,
            isOverElementHeight = ( this.options.axis === "x" ) ||
                this._isOverAxis(
                    this.positionAbs.top + this.offset.click.top, item.top, item.height ),
            isOverElementWidth = ( this.options.axis === "y" ) ||
                this._isOverAxis(
                    this.positionAbs.left + this.offset.click.left, item.left, item.width ),
            isOverElement = isOverElementHeight && isOverElementWidth;

        if ( !isOverElement ) {
            return false;
        }

        verticalDirection = this._getDragVerticalDirection();
        horizontalDirection = this._getDragHorizontalDirection();

        return this.floating ?
            ( ( horizontalDirection === "right" || verticalDirection === "down" ) ? 2 : 1 )
            : ( verticalDirection && ( verticalDirection === "down" ? 2 : 1 ) );

    },

    _intersectsWithSides: function( item ) {

        var isOverBottomHalf = this._isOverAxis( this.positionAbs.top +
                this.offset.click.top, item.top + ( item.height / 2 ), item.height ),
            isOverRightHalf = this._isOverAxis( this.positionAbs.left +
                this.offset.click.left, item.left + ( item.width / 2 ), item.width ),
            verticalDirection = this._getDragVerticalDirection(),
            horizontalDirection = this._getDragHorizontalDirection();

        if ( this.floating && horizontalDirection ) {
            return ( ( horizontalDirection === "right" && isOverRightHalf ) ||
                ( horizontalDirection === "left" && !isOverRightHalf ) );
        } else {
            return verticalDirection && ( ( verticalDirection === "down" && isOverBottomHalf ) ||
                ( verticalDirection === "up" && !isOverBottomHalf ) );
        }

    },

    _getDragVerticalDirection: function() {
        var delta = this.positionAbs.top - this.lastPositionAbs.top;
        return delta !== 0 && ( delta > 0 ? "down" : "up" );
    },

    _getDragHorizontalDirection: function() {
        var delta = this.positionAbs.left - this.lastPositionAbs.left;
        return delta !== 0 && ( delta > 0 ? "right" : "left" );
    },

    refresh: function( event ) {
        this._refreshItems( event );
        this._setHandleClassName();
        this.refreshPositions();
        return this;
    },

    _connectWith: function() {
        var options = this.options;
        return options.connectWith.constructor === String ?
            [ options.connectWith ] :
            options.connectWith;
    },

    _getItemsAsjQuery: function( connected ) {

        var i, j, cur, inst,
            items = [],
            queries = [],
            connectWith = this._connectWith();

        if ( connectWith && connected ) {
            for ( i = connectWith.length - 1; i >= 0; i-- ) {
                cur = $( connectWith[ i ], this.document[ 0 ] );
                for ( j = cur.length - 1; j >= 0; j-- ) {
                    inst = $.data( cur[ j ], this.widgetFullName );
                    if ( inst && inst !== this && !inst.options.disabled ) {
                        queries.push( [ $.isFunction( inst.options.items ) ?
                            inst.options.items.call( inst.element ) :
                            $( inst.options.items, inst.element )
                                .not( ".ui-sortable-helper" )
                                .not( ".ui-sortable-placeholder" ), inst ] );
                    }
                }
            }
        }

        queries.push( [ $.isFunction( this.options.items ) ?
            this.options.items
                .call( this.element, null, { options: this.options, item: this.currentItem } ) :
            $( this.options.items, this.element )
                .not( ".ui-sortable-helper" )
                .not( ".ui-sortable-placeholder" ), this ] );

        function addItems() {
            items.push( this );
        }
        for ( i = queries.length - 1; i >= 0; i-- ) {
            queries[ i ][ 0 ].each( addItems );
        }

        return $( items );

    },

    _removeCurrentsFromItems: function() {

        var list = this.currentItem.find( ":data(" + this.widgetName + "-item)" );

        this.items = $.grep( this.items, function( item ) {
            for ( var j = 0; j < list.length; j++ ) {
                if ( list[ j ] === item.item[ 0 ] ) {
                    return false;
                }
            }
            return true;
        } );

    },

    _refreshItems: function( event ) {

        this.items = [];
        this.containers = [ this ];

        var i, j, cur, inst, targetData, _queries, item, queriesLength,
            items = this.items,
            queries = [ [ $.isFunction( this.options.items ) ?
                this.options.items.call( this.element[ 0 ], event, { item: this.currentItem } ) :
                $( this.options.items, this.element ), this ] ],
            connectWith = this._connectWith();

        //Shouldn't be run the first time through due to massive slow-down
        if ( connectWith && this.ready ) {
            for ( i = connectWith.length - 1; i >= 0; i-- ) {
                cur = $( connectWith[ i ], this.document[ 0 ] );
                for ( j = cur.length - 1; j >= 0; j-- ) {
                    inst = $.data( cur[ j ], this.widgetFullName );
                    if ( inst && inst !== this && !inst.options.disabled ) {
                        queries.push( [ $.isFunction( inst.options.items ) ?
                            inst.options.items
                                .call( inst.element[ 0 ], event, { item: this.currentItem } ) :
                            $( inst.options.items, inst.element ), inst ] );
                        this.containers.push( inst );
                    }
                }
            }
        }

        for ( i = queries.length - 1; i >= 0; i-- ) {
            targetData = queries[ i ][ 1 ];
            _queries = queries[ i ][ 0 ];

            for ( j = 0, queriesLength = _queries.length; j < queriesLength; j++ ) {
                item = $( _queries[ j ] );

                // Data for target checking (mouse manager)
                item.data( this.widgetName + "-item", targetData );

                items.push( {
                    item: item,
                    instance: targetData,
                    width: 0, height: 0,
                    left: 0, top: 0
                } );
            }
        }

    },

    refreshPositions: function( fast ) {

        // Determine whether items are being displayed horizontally
        this.floating = this.items.length ?
            this.options.axis === "x" || this._isFloating( this.items[ 0 ].item ) :
            false;

        //This has to be redone because due to the item being moved out/into the offsetParent,
        // the offsetParent's position will change
        if ( this.offsetParent && this.helper ) {
            this.offset.parent = this._getParentOffset();
        }

        var i, item, t, p;

        for ( i = this.items.length - 1; i >= 0; i-- ) {
            item = this.items[ i ];

            //We ignore calculating positions of all connected containers when we're not over them
            if ( item.instance !== this.currentContainer && this.currentContainer &&
                    item.item[ 0 ] !== this.currentItem[ 0 ] ) {
                continue;
            }

            t = this.options.toleranceElement ?
                $( this.options.toleranceElement, item.item ) :
                item.item;

            if ( !fast ) {
                item.width = t.outerWidth();
                item.height = t.outerHeight();
            }

            p = t.offset();
            item.left = p.left;
            item.top = p.top;
        }

        if ( this.options.custom && this.options.custom.refreshContainers ) {
            this.options.custom.refreshContainers.call( this );
        } else {
            for ( i = this.containers.length - 1; i >= 0; i-- ) {
                p = this.containers[ i ].element.offset();
                this.containers[ i ].containerCache.left = p.left;
                this.containers[ i ].containerCache.top = p.top;
                this.containers[ i ].containerCache.width =
                    this.containers[ i ].element.outerWidth();
                this.containers[ i ].containerCache.height =
                    this.containers[ i ].element.outerHeight();
            }
        }

        return this;
    },

    _createPlaceholder: function( that ) {
        that = that || this;
        var className,
            o = that.options;

        if ( !o.placeholder || o.placeholder.constructor === String ) {
            className = o.placeholder;
            o.placeholder = {
                element: function() {

                    var nodeName = that.currentItem[ 0 ].nodeName.toLowerCase(),
                        element = $( "<" + nodeName + ">", that.document[ 0 ] );

                        that._addClass( element, "ui-sortable-placeholder",
                                className || that.currentItem[ 0 ].className )
                            ._removeClass( element, "ui-sortable-helper" );

                    if ( nodeName === "tbody" ) {
                        that._createTrPlaceholder(
                            that.currentItem.find( "tr" ).eq( 0 ),
                            $( "<tr>", that.document[ 0 ] ).appendTo( element )
                        );
                    } else if ( nodeName === "tr" ) {
                        that._createTrPlaceholder( that.currentItem, element );
                    } else if ( nodeName === "img" ) {
                        element.attr( "src", that.currentItem.attr( "src" ) );
                    }

                    if ( !className ) {
                        element.css( "visibility", "hidden" );
                    }

                    return element;
                },
                update: function( container, p ) {

                    // 1. If a className is set as 'placeholder option, we don't force sizes -
                    // the class is responsible for that
                    // 2. The option 'forcePlaceholderSize can be enabled to force it even if a
                    // class name is specified
                    if ( className && !o.forcePlaceholderSize ) {
                        return;
                    }

                    //If the element doesn't have a actual height by itself (without styles coming
                    // from a stylesheet), it receives the inline height from the dragged item
                    if ( !p.height() ) {
                        p.height(
                            that.currentItem.innerHeight() -
                            parseInt( that.currentItem.css( "paddingTop" ) || 0, 10 ) -
                            parseInt( that.currentItem.css( "paddingBottom" ) || 0, 10 ) );
                    }
                    if ( !p.width() ) {
                        p.width(
                            that.currentItem.innerWidth() -
                            parseInt( that.currentItem.css( "paddingLeft" ) || 0, 10 ) -
                            parseInt( that.currentItem.css( "paddingRight" ) || 0, 10 ) );
                    }
                }
            };
        }

        //Create the placeholder
        that.placeholder = $( o.placeholder.element.call( that.element, that.currentItem ) );

        //Append it after the actual current item
        that.currentItem.after( that.placeholder );

        //Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
        o.placeholder.update( that, that.placeholder );

    },

    _createTrPlaceholder: function( sourceTr, targetTr ) {
        var that = this;

        sourceTr.children().each( function() {
            $( "<td>&#160;</td>", that.document[ 0 ] )
                .attr( "colspan", $( this ).attr( "colspan" ) || 1 )
                .appendTo( targetTr );
        } );
    },

    _contactContainers: function( event ) {
        var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, cur, nearBottom,
            floating, axis,
            innermostContainer = null,
            innermostIndex = null;

        // Get innermost container that intersects with item
        for ( i = this.containers.length - 1; i >= 0; i-- ) {

            // Never consider a container that's located within the item itself
            if ( $.contains( this.currentItem[ 0 ], this.containers[ i ].element[ 0 ] ) ) {
                continue;
            }

            if ( this._intersectsWith( this.containers[ i ].containerCache ) ) {

                // If we've already found a container and it's more "inner" than this, then continue
                if ( innermostContainer &&
                        $.contains(
                            this.containers[ i ].element[ 0 ],
                            innermostContainer.element[ 0 ] ) ) {
                    continue;
                }

                innermostContainer = this.containers[ i ];
                innermostIndex = i;

            } else {

                // container doesn't intersect. trigger "out" event if necessary
                if ( this.containers[ i ].containerCache.over ) {
                    this.containers[ i ]._trigger( "out", event, this._uiHash( this ) );
                    this.containers[ i ].containerCache.over = 0;
                }
            }

        }

        // If no intersecting containers found, return
        if ( !innermostContainer ) {
            return;
        }

        // Move the item into the container if it's not there already
        if ( this.containers.length === 1 ) {
            if ( !this.containers[ innermostIndex ].containerCache.over ) {
                this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) );
                this.containers[ innermostIndex ].containerCache.over = 1;
            }
        } else {

            // When entering a new container, we will find the item with the least distance and
            // append our item near it
            dist = 10000;
            itemWithLeastDistance = null;
            floating = innermostContainer.floating || this._isFloating( this.currentItem );
            posProperty = floating ? "left" : "top";
            sizeProperty = floating ? "width" : "height";
            axis = floating ? "pageX" : "pageY";

            for ( j = this.items.length - 1; j >= 0; j-- ) {
                if ( !$.contains(
                        this.containers[ innermostIndex ].element[ 0 ], this.items[ j ].item[ 0 ] )
                ) {
                    continue;
                }
                if ( this.items[ j ].item[ 0 ] === this.currentItem[ 0 ] ) {
                    continue;
                }

                cur = this.items[ j ].item.offset()[ posProperty ];
                nearBottom = false;
                if ( event[ axis ] - cur > this.items[ j ][ sizeProperty ] / 2 ) {
                    nearBottom = true;
                }

                if ( Math.abs( event[ axis ] - cur ) < dist ) {
                    dist = Math.abs( event[ axis ] - cur );
                    itemWithLeastDistance = this.items[ j ];
                    this.direction = nearBottom ? "up" : "down";
                }
            }

            //Check if dropOnEmpty is enabled
            if ( !itemWithLeastDistance && !this.options.dropOnEmpty ) {
                return;
            }

            if ( this.currentContainer === this.containers[ innermostIndex ] ) {
                if ( !this.currentContainer.containerCache.over ) {
                    this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash() );
                    this.currentContainer.containerCache.over = 1;
                }
                return;
            }

            itemWithLeastDistance ?
                this._rearrange( event, itemWithLeastDistance, null, true ) :
                this._rearrange( event, null, this.containers[ innermostIndex ].element, true );
            this._trigger( "change", event, this._uiHash() );
            this.containers[ innermostIndex ]._trigger( "change", event, this._uiHash( this ) );
            this.currentContainer = this.containers[ innermostIndex ];

            //Update the placeholder
            this.options.placeholder.update( this.currentContainer, this.placeholder );

            this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) );
            this.containers[ innermostIndex ].containerCache.over = 1;
        }

    },

    _createHelper: function( event ) {

        var o = this.options,
            helper = $.isFunction( o.helper ) ?
                $( o.helper.apply( this.element[ 0 ], [ event, this.currentItem ] ) ) :
                ( o.helper === "clone" ? this.currentItem.clone() : this.currentItem );

        //Add the helper to the DOM if that didn't happen already
        if ( !helper.parents( "body" ).length ) {
            $( o.appendTo !== "parent" ?
                o.appendTo :
                this.currentItem[ 0 ].parentNode )[ 0 ].appendChild( helper[ 0 ] );
        }

        if ( helper[ 0 ] === this.currentItem[ 0 ] ) {
            this._storedCSS = {
                width: this.currentItem[ 0 ].style.width,
                height: this.currentItem[ 0 ].style.height,
                position: this.currentItem.css( "position" ),
                top: this.currentItem.css( "top" ),
                left: this.currentItem.css( "left" )
            };
        }

        if ( !helper[ 0 ].style.width || o.forceHelperSize ) {
            helper.width( this.currentItem.width() );
        }
        if ( !helper[ 0 ].style.height || o.forceHelperSize ) {
            helper.height( this.currentItem.height() );
        }

        return helper;

    },

    _adjustOffsetFromHelper: function( obj ) {
        if ( typeof obj === "string" ) {
            obj = obj.split( " " );
        }
        if ( $.isArray( obj ) ) {
            obj = { left: +obj[ 0 ], top: +obj[ 1 ] || 0 };
        }
        if ( "left" in obj ) {
            this.offset.click.left = obj.left + this.margins.left;
        }
        if ( "right" in obj ) {
            this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
        }
        if ( "top" in obj ) {
            this.offset.click.top = obj.top + this.margins.top;
        }
        if ( "bottom" in obj ) {
            this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
        }
    },

    _getParentOffset: function() {

        //Get the offsetParent and cache its position
        this.offsetParent = this.helper.offsetParent();
        var po = this.offsetParent.offset();

        // This is a special case where we need to modify a offset calculated on start, since the
        // following happened:
        // 1. The position of the helper is absolute, so it's position is calculated based on the
        // next positioned parent
        // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't
        // the document, which means that the scroll is included in the initial calculation of the
        // offset of the parent, and never recalculated upon drag
        if ( this.cssPosition === "absolute" && this.scrollParent[ 0 ] !== this.document[ 0 ] &&
                $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) {
            po.left += this.scrollParent.scrollLeft();
            po.top += this.scrollParent.scrollTop();
        }

        // This needs to be actually done for all browsers, since pageX/pageY includes this
        // information with an ugly IE fix
        if ( this.offsetParent[ 0 ] === this.document[ 0 ].body ||
                ( this.offsetParent[ 0 ].tagName &&
                this.offsetParent[ 0 ].tagName.toLowerCase() === "html" && $.ui.ie ) ) {
            po = { top: 0, left: 0 };
        }

        return {
            top: po.top + ( parseInt( this.offsetParent.css( "borderTopWidth" ), 10 ) || 0 ),
            left: po.left + ( parseInt( this.offsetParent.css( "borderLeftWidth" ), 10 ) || 0 )
        };

    },

    _getRelativeOffset: function() {

        if ( this.cssPosition === "relative" ) {
            var p = this.currentItem.position();
            return {
                top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) +
                    this.scrollParent.scrollTop(),
                left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) +
                    this.scrollParent.scrollLeft()
            };
        } else {
            return { top: 0, left: 0 };
        }

    },

    _cacheMargins: function() {
        this.margins = {
            left: ( parseInt( this.currentItem.css( "marginLeft" ), 10 ) || 0 ),
            top: ( parseInt( this.currentItem.css( "marginTop" ), 10 ) || 0 )
        };
    },

    _cacheHelperProportions: function() {
        this.helperProportions = {
            width: this.helper.outerWidth(),
            height: this.helper.outerHeight()
        };
    },

    _setContainment: function() {

        var ce, co, over,
            o = this.options;
        if ( o.containment === "parent" ) {
            o.containment = this.helper[ 0 ].parentNode;
        }
        if ( o.containment === "document" || o.containment === "window" ) {
            this.containment = [
                0 - this.offset.relative.left - this.offset.parent.left,
                0 - this.offset.relative.top - this.offset.parent.top,
                o.containment === "document" ?
                    this.document.width() :
                    this.window.width() - this.helperProportions.width - this.margins.left,
                ( o.containment === "document" ?
                    ( this.document.height() || document.body.parentNode.scrollHeight ) :
                    this.window.height() || this.document[ 0 ].body.parentNode.scrollHeight
                ) - this.helperProportions.height - this.margins.top
            ];
        }

        if ( !( /^(document|window|parent)$/ ).test( o.containment ) ) {
            ce = $( o.containment )[ 0 ];
            co = $( o.containment ).offset();
            over = ( $( ce ).css( "overflow" ) !== "hidden" );

            this.containment = [
                co.left + ( parseInt( $( ce ).css( "borderLeftWidth" ), 10 ) || 0 ) +
                    ( parseInt( $( ce ).css( "paddingLeft" ), 10 ) || 0 ) - this.margins.left,
                co.top + ( parseInt( $( ce ).css( "borderTopWidth" ), 10 ) || 0 ) +
                    ( parseInt( $( ce ).css( "paddingTop" ), 10 ) || 0 ) - this.margins.top,
                co.left + ( over ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
                    ( parseInt( $( ce ).css( "borderLeftWidth" ), 10 ) || 0 ) -
                    ( parseInt( $( ce ).css( "paddingRight" ), 10 ) || 0 ) -
                    this.helperProportions.width - this.margins.left,
                co.top + ( over ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
                    ( parseInt( $( ce ).css( "borderTopWidth" ), 10 ) || 0 ) -
                    ( parseInt( $( ce ).css( "paddingBottom" ), 10 ) || 0 ) -
                    this.helperProportions.height - this.margins.top
            ];
        }

    },

    _convertPositionTo: function( d, pos ) {

        if ( !pos ) {
            pos = this.position;
        }
        var mod = d === "absolute" ? 1 : -1,
            scroll = this.cssPosition === "absolute" &&
                !( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
                $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ?
                    this.offsetParent :
                    this.scrollParent,
            scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName );

        return {
            top: (

                // The absolute mouse position
                pos.top +

                // Only for relative positioned nodes: Relative offset from element to offset parent
                this.offset.relative.top * mod +

                // The offsetParent's offset without borders (offset + border)
                this.offset.parent.top * mod -
                ( ( this.cssPosition === "fixed" ?
                    -this.scrollParent.scrollTop() :
                    ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod )
            ),
            left: (

                // The absolute mouse position
                pos.left +

                // Only for relative positioned nodes: Relative offset from element to offset parent
                this.offset.relative.left * mod +

                // The offsetParent's offset without borders (offset + border)
                this.offset.parent.left * mod   -
                ( ( this.cssPosition === "fixed" ?
                    -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 :
                    scroll.scrollLeft() ) * mod )
            )
        };

    },

    _generatePosition: function( event ) {

        var top, left,
            o = this.options,
            pageX = event.pageX,
            pageY = event.pageY,
            scroll = this.cssPosition === "absolute" &&
                !( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
                $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ?
                    this.offsetParent :
                    this.scrollParent,
                scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName );

        // This is another very weird special case that only happens for relative elements:
        // 1. If the css position is relative
        // 2. and the scroll parent is the document or similar to the offset parent
        // we have to refresh the relative offset during the scroll so there are no jumps
        if ( this.cssPosition === "relative" && !( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
                this.scrollParent[ 0 ] !== this.offsetParent[ 0 ] ) ) {
            this.offset.relative = this._getRelativeOffset();
        }

        /*
         * - Position constraining -
         * Constrain the position to a mix of grid, containment.
         */

        if ( this.originalPosition ) { //If we are not dragging yet, we won't check for options

            if ( this.containment ) {
                if ( event.pageX - this.offset.click.left < this.containment[ 0 ] ) {
                    pageX = this.containment[ 0 ] + this.offset.click.left;
                }
                if ( event.pageY - this.offset.click.top < this.containment[ 1 ] ) {
                    pageY = this.containment[ 1 ] + this.offset.click.top;
                }
                if ( event.pageX - this.offset.click.left > this.containment[ 2 ] ) {
                    pageX = this.containment[ 2 ] + this.offset.click.left;
                }
                if ( event.pageY - this.offset.click.top > this.containment[ 3 ] ) {
                    pageY = this.containment[ 3 ] + this.offset.click.top;
                }
            }

            if ( o.grid ) {
                top = this.originalPageY + Math.round( ( pageY - this.originalPageY ) /
                    o.grid[ 1 ] ) * o.grid[ 1 ];
                pageY = this.containment ?
                    ( ( top - this.offset.click.top >= this.containment[ 1 ] &&
                        top - this.offset.click.top <= this.containment[ 3 ] ) ?
                            top :
                            ( ( top - this.offset.click.top >= this.containment[ 1 ] ) ?
                                top - o.grid[ 1 ] : top + o.grid[ 1 ] ) ) :
                                top;

                left = this.originalPageX + Math.round( ( pageX - this.originalPageX ) /
                    o.grid[ 0 ] ) * o.grid[ 0 ];
                pageX = this.containment ?
                    ( ( left - this.offset.click.left >= this.containment[ 0 ] &&
                        left - this.offset.click.left <= this.containment[ 2 ] ) ?
                            left :
                            ( ( left - this.offset.click.left >= this.containment[ 0 ] ) ?
                                left - o.grid[ 0 ] : left + o.grid[ 0 ] ) ) :
                                left;
            }

        }

        return {
            top: (

                // The absolute mouse position
                pageY -

                // Click offset (relative to the element)
                this.offset.click.top -

                // Only for relative positioned nodes: Relative offset from element to offset parent
                this.offset.relative.top -

                // The offsetParent's offset without borders (offset + border)
                this.offset.parent.top +
                ( ( this.cssPosition === "fixed" ?
                    -this.scrollParent.scrollTop() :
                    ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) )
            ),
            left: (

                // The absolute mouse position
                pageX -

                // Click offset (relative to the element)
                this.offset.click.left -

                // Only for relative positioned nodes: Relative offset from element to offset parent
                this.offset.relative.left -

                // The offsetParent's offset without borders (offset + border)
                this.offset.parent.left +
                ( ( this.cssPosition === "fixed" ?
                    -this.scrollParent.scrollLeft() :
                    scrollIsRootNode ? 0 : scroll.scrollLeft() ) )
            )
        };

    },

    _rearrange: function( event, i, a, hardRefresh ) {

        a ? a[ 0 ].appendChild( this.placeholder[ 0 ] ) :
            i.item[ 0 ].parentNode.insertBefore( this.placeholder[ 0 ],
                ( this.direction === "down" ? i.item[ 0 ] : i.item[ 0 ].nextSibling ) );

        //Various things done here to improve the performance:
        // 1. we create a setTimeout, that calls refreshPositions
        // 2. on the instance, we have a counter variable, that get's higher after every append
        // 3. on the local scope, we copy the counter variable, and check in the timeout,
        // if it's still the same
        // 4. this lets only the last addition to the timeout stack through
        this.counter = this.counter ? ++this.counter : 1;
        var counter = this.counter;

        this._delay( function() {
            if ( counter === this.counter ) {

                //Precompute after each DOM insertion, NOT on mousemove
                this.refreshPositions( !hardRefresh );
            }
        } );

    },

    _clear: function( event, noPropagation ) {

        this.reverting = false;

        // We delay all events that have to be triggered to after the point where the placeholder
        // has been removed and everything else normalized again
        var i,
            delayedTriggers = [];

        // We first have to update the dom position of the actual currentItem
        // Note: don't do it if the current item is already removed (by a user), or it gets
        // reappended (see #4088)
        if ( !this._noFinalSort && this.currentItem.parent().length ) {
            this.placeholder.before( this.currentItem );
        }
        this._noFinalSort = null;

        if ( this.helper[ 0 ] === this.currentItem[ 0 ] ) {
            for ( i in this._storedCSS ) {
                if ( this._storedCSS[ i ] === "auto" || this._storedCSS[ i ] === "static" ) {
                    this._storedCSS[ i ] = "";
                }
            }
            this.currentItem.css( this._storedCSS );
            this._removeClass( this.currentItem, "ui-sortable-helper" );
        } else {
            this.currentItem.show();
        }

        if ( this.fromOutside && !noPropagation ) {
            delayedTriggers.push( function( event ) {
                this._trigger( "receive", event, this._uiHash( this.fromOutside ) );
            } );
        }
        if ( ( this.fromOutside ||
                this.domPosition.prev !==
                this.currentItem.prev().not( ".ui-sortable-helper" )[ 0 ] ||
                this.domPosition.parent !== this.currentItem.parent()[ 0 ] ) && !noPropagation ) {

            // Trigger update callback if the DOM position has changed
            delayedTriggers.push( function( event ) {
                this._trigger( "update", event, this._uiHash() );
            } );
        }

        // Check if the items Container has Changed and trigger appropriate
        // events.
        if ( this !== this.currentContainer ) {
            if ( !noPropagation ) {
                delayedTriggers.push( function( event ) {
                    this._trigger( "remove", event, this._uiHash() );
                } );
                delayedTriggers.push( ( function( c ) {
                    return function( event ) {
                        c._trigger( "receive", event, this._uiHash( this ) );
                    };
                } ).call( this, this.currentContainer ) );
                delayedTriggers.push( ( function( c ) {
                    return function( event ) {
                        c._trigger( "update", event, this._uiHash( this ) );
                    };
                } ).call( this, this.currentContainer ) );
            }
        }

        //Post events to containers
        function delayEvent( type, instance, container ) {
            return function( event ) {
                container._trigger( type, event, instance._uiHash( instance ) );
            };
        }
        for ( i = this.containers.length - 1; i >= 0; i-- ) {
            if ( !noPropagation ) {
                delayedTriggers.push( delayEvent( "deactivate", this, this.containers[ i ] ) );
            }
            if ( this.containers[ i ].containerCache.over ) {
                delayedTriggers.push( delayEvent( "out", this, this.containers[ i ] ) );
                this.containers[ i ].containerCache.over = 0;
            }
        }

        //Do what was originally in plugins
        if ( this.storedCursor ) {
            this.document.find( "body" ).css( "cursor", this.storedCursor );
            this.storedStylesheet.remove();
        }
        if ( this._storedOpacity ) {
            this.helper.css( "opacity", this._storedOpacity );
        }
        if ( this._storedZIndex ) {
            this.helper.css( "zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex );
        }

        this.dragging = false;

        if ( !noPropagation ) {
            this._trigger( "beforeStop", event, this._uiHash() );
        }

        //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately,
        // it unbinds ALL events from the original node!
        this.placeholder[ 0 ].parentNode.removeChild( this.placeholder[ 0 ] );

        if ( !this.cancelHelperRemoval ) {
            if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) {
                this.helper.remove();
            }
            this.helper = null;
        }

        if ( !noPropagation ) {
            for ( i = 0; i < delayedTriggers.length; i++ ) {

                // Trigger all delayed events
                delayedTriggers[ i ].call( this, event );
            }
            this._trigger( "stop", event, this._uiHash() );
        }

        this.fromOutside = false;
        return !this.cancelHelperRemoval;

    },

    _trigger: function() {
        if ( $.Widget.prototype._trigger.apply( this, arguments ) === false ) {
            this.cancel();
        }
    },

    _uiHash: function( _inst ) {
        var inst = _inst || this;
        return {
            helper: inst.helper,
            placeholder: inst.placeholder || $( [] ),
            position: inst.position,
            originalPosition: inst.originalPosition,
            offset: inst.positionAbs,
            item: inst.currentItem,
            sender: _inst ? _inst.element : null
        };
    }

} );


//>>label: Spinner
//>>group: Widgets
//>>description: Displays buttons to easily input numbers via the keyboard or mouse.
//>>docs: http://api.jqueryui.com/spinner/
//>>demos: http://jqueryui.com/spinner/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/spinner.css
//>>css.theme: ../../themes/base/theme.css



function spinnerModifer( fn ) {
    return function() {
        var previous = this.element.val();
        fn.apply( this, arguments );
        this._refresh();
        if ( previous !== this.element.val() ) {
            this._trigger( "change" );
        }
    };
}

$.widget( "ui.spinner", {
    version: "1.12.1",
    defaultElement: "<input>",
    widgetEventPrefix: "spin",
    options: {
        classes: {
            "ui-spinner": "ui-corner-all",
            "ui-spinner-down": "ui-corner-br",
            "ui-spinner-up": "ui-corner-tr"
        },
        culture: null,
        icons: {
            down: "ui-icon-triangle-1-s",
            up: "ui-icon-triangle-1-n"
        },
        incremental: true,
        max: null,
        min: null,
        numberFormat: null,
        page: 10,
        step: 1,

        change: null,
        spin: null,
        start: null,
        stop: null
    },

    _create: function() {

        // handle string values that need to be parsed
        this._setOption( "max", this.options.max );
        this._setOption( "min", this.options.min );
        this._setOption( "step", this.options.step );

        // Only format if there is a value, prevents the field from being marked
        // as invalid in Firefox, see #9573.
        if ( this.value() !== "" ) {

            // Format the value, but don't constrain.
            this._value( this.element.val(), true );
        }

        this._draw();
        this._on( this._events );
        this._refresh();

        // Turning off autocomplete prevents the browser from remembering the
        // value when navigating through history, so we re-enable autocomplete
        // if the page is unloaded before the widget is destroyed. #7790
        this._on( this.window, {
            beforeunload: function() {
                this.element.removeAttr( "autocomplete" );
            }
        } );
    },

    _getCreateOptions: function() {
        var options = this._super();
        var element = this.element;

        $.each( [ "min", "max", "step" ], function( i, option ) {
            var value = element.attr( option );
            if ( value != null && value.length ) {
                options[ option ] = value;
            }
        } );

        return options;
    },

    _events: {
        keydown: function( event ) {
            if ( this._start( event ) && this._keydown( event ) ) {
                event.preventDefault();
            }
        },
        keyup: "_stop",
        focus: function() {
            this.previous = this.element.val();
        },
        blur: function( event ) {
            if ( this.cancelBlur ) {
                delete this.cancelBlur;
                return;
            }

            this._stop();
            this._refresh();
            if ( this.previous !== this.element.val() ) {
                this._trigger( "change", event );
            }
        },
        mousewheel: function( event, delta ) {
            if ( !delta ) {
                return;
            }
            if ( !this.spinning && !this._start( event ) ) {
                return false;
            }

            this._spin( ( delta > 0 ? 1 : -1 ) * this.options.step, event );
            clearTimeout( this.mousewheelTimer );
            this.mousewheelTimer = this._delay( function() {
                if ( this.spinning ) {
                    this._stop( event );
                }
            }, 100 );
            event.preventDefault();
        },
        "mousedown .ui-spinner-button": function( event ) {
            var previous;

            // We never want the buttons to have focus; whenever the user is
            // interacting with the spinner, the focus should be on the input.
            // If the input is focused then this.previous is properly set from
            // when the input first received focus. If the input is not focused
            // then we need to set this.previous based on the value before spinning.
            previous = this.element[ 0 ] === $.ui.safeActiveElement( this.document[ 0 ] ) ?
                this.previous : this.element.val();
            function checkFocus() {
                var isActive = this.element[ 0 ] === $.ui.safeActiveElement( this.document[ 0 ] );
                if ( !isActive ) {
                    this.element.trigger( "focus" );
                    this.previous = previous;

                    // support: IE
                    // IE sets focus asynchronously, so we need to check if focus
                    // moved off of the input because the user clicked on the button.
                    this._delay( function() {
                        this.previous = previous;
                    } );
                }
            }

            // Ensure focus is on (or stays on) the text field
            event.preventDefault();
            checkFocus.call( this );

            // Support: IE
            // IE doesn't prevent moving focus even with event.preventDefault()
            // so we set a flag to know when we should ignore the blur event
            // and check (again) if focus moved off of the input.
            this.cancelBlur = true;
            this._delay( function() {
                delete this.cancelBlur;
                checkFocus.call( this );
            } );

            if ( this._start( event ) === false ) {
                return;
            }

            this._repeat( null, $( event.currentTarget )
                .hasClass( "ui-spinner-up" ) ? 1 : -1, event );
        },
        "mouseup .ui-spinner-button": "_stop",
        "mouseenter .ui-spinner-button": function( event ) {

            // button will add ui-state-active if mouse was down while mouseleave and kept down
            if ( !$( event.currentTarget ).hasClass( "ui-state-active" ) ) {
                return;
            }

            if ( this._start( event ) === false ) {
                return false;
            }
            this._repeat( null, $( event.currentTarget )
                .hasClass( "ui-spinner-up" ) ? 1 : -1, event );
        },

        // TODO: do we really want to consider this a stop?
        // shouldn't we just stop the repeater and wait until mouseup before
        // we trigger the stop event?
        "mouseleave .ui-spinner-button": "_stop"
    },

    // Support mobile enhanced option and make backcompat more sane
    _enhance: function() {
        this.uiSpinner = this.element
            .attr( "autocomplete", "off" )
            .wrap( "<span>" )
            .parent()

                // Add buttons
                .append(
                    "<a></a><a></a>"
                );
    },

    _draw: function() {
        this._enhance();

        this._addClass( this.uiSpinner, "ui-spinner", "ui-widget ui-widget-content" );
        this._addClass( "ui-spinner-input" );

        this.element.attr( "role", "spinbutton" );

        // Button bindings
        this.buttons = this.uiSpinner.children( "a" )
            .attr( "tabIndex", -1 )
            .attr( "aria-hidden", true )
            .button( {
                classes: {
                    "ui-button": ""
                }
            } );

        // TODO: Right now button does not support classes this is already updated in button PR
        this._removeClass( this.buttons, "ui-corner-all" );

        this._addClass( this.buttons.first(), "ui-spinner-button ui-spinner-up" );
        this._addClass( this.buttons.last(), "ui-spinner-button ui-spinner-down" );
        this.buttons.first().button( {
            "icon": this.options.icons.up,
            "showLabel": false
        } );
        this.buttons.last().button( {
            "icon": this.options.icons.down,
            "showLabel": false
        } );

        // IE 6 doesn't understand height: 50% for the buttons
        // unless the wrapper has an explicit height
        if ( this.buttons.height() > Math.ceil( this.uiSpinner.height() * 0.5 ) &&
                this.uiSpinner.height() > 0 ) {
            this.uiSpinner.height( this.uiSpinner.height() );
        }
    },

    _keydown: function( event ) {
        var options = this.options,
            keyCode = $.ui.keyCode;

        switch ( event.keyCode ) {
        case keyCode.UP:
            this._repeat( null, 1, event );
            return true;
        case keyCode.DOWN:
            this._repeat( null, -1, event );
            return true;
        case keyCode.PAGE_UP:
            this._repeat( null, options.page, event );
            return true;
        case keyCode.PAGE_DOWN:
            this._repeat( null, -options.page, event );
            return true;
        }

        return false;
    },

    _start: function( event ) {
        if ( !this.spinning && this._trigger( "start", event ) === false ) {
            return false;
        }

        if ( !this.counter ) {
            this.counter = 1;
        }
        this.spinning = true;
        return true;
    },

    _repeat: function( i, steps, event ) {
        i = i || 500;

        clearTimeout( this.timer );
        this.timer = this._delay( function() {
            this._repeat( 40, steps, event );
        }, i );

        this._spin( steps * this.options.step, event );
    },

    _spin: function( step, event ) {
        var value = this.value() || 0;

        if ( !this.counter ) {
            this.counter = 1;
        }

        value = this._adjustValue( value + step * this._increment( this.counter ) );

        if ( !this.spinning || this._trigger( "spin", event, { value: value } ) !== false ) {
            this._value( value );
            this.counter++;
        }
    },

    _increment: function( i ) {
        var incremental = this.options.incremental;

        if ( incremental ) {
            return $.isFunction( incremental ) ?
                incremental( i ) :
                Math.floor( i * i * i / 50000 - i * i / 500 + 17 * i / 200 + 1 );
        }

        return 1;
    },

    _precision: function() {
        var precision = this._precisionOf( this.options.step );
        if ( this.options.min !== null ) {
            precision = Math.max( precision, this._precisionOf( this.options.min ) );
        }
        return precision;
    },

    _precisionOf: function( num ) {
        var str = num.toString(),
            decimal = str.indexOf( "." );
        return decimal === -1 ? 0 : str.length - decimal - 1;
    },

    _adjustValue: function( value ) {
        var base, aboveMin,
            options = this.options;

        // Make sure we're at a valid step
        // - find out where we are relative to the base (min or 0)
        base = options.min !== null ? options.min : 0;
        aboveMin = value - base;

        // - round to the nearest step
        aboveMin = Math.round( aboveMin / options.step ) * options.step;

        // - rounding is based on 0, so adjust back to our base
        value = base + aboveMin;

        // Fix precision from bad JS floating point math
        value = parseFloat( value.toFixed( this._precision() ) );

        // Clamp the value
        if ( options.max !== null && value > options.max ) {
            return options.max;
        }
        if ( options.min !== null && value < options.min ) {
            return options.min;
        }

        return value;
    },

    _stop: function( event ) {
        if ( !this.spinning ) {
            return;
        }

        clearTimeout( this.timer );
        clearTimeout( this.mousewheelTimer );
        this.counter = 0;
        this.spinning = false;
        this._trigger( "stop", event );
    },

    _setOption: function( key, value ) {
        var prevValue, first, last;

        if ( key === "culture" || key === "numberFormat" ) {
            prevValue = this._parse( this.element.val() );
            this.options[ key ] = value;
            this.element.val( this._format( prevValue ) );
            return;
        }

        if ( key === "max" || key === "min" || key === "step" ) {
            if ( typeof value === "string" ) {
                value = this._parse( value );
            }
        }
        if ( key === "icons" ) {
            first = this.buttons.first().find( ".ui-icon" );
            this._removeClass( first, null, this.options.icons.up );
            this._addClass( first, null, value.up );
            last = this.buttons.last().find( ".ui-icon" );
            this._removeClass( last, null, this.options.icons.down );
            this._addClass( last, null, value.down );
        }

        this._super( key, value );
    },

    _setOptionDisabled: function( value ) {
        this._super( value );

        this._toggleClass( this.uiSpinner, null, "ui-state-disabled", !!value );
        this.element.prop( "disabled", !!value );
        this.buttons.button( value ? "disable" : "enable" );
    },

    _setOptions: spinnerModifer( function( options ) {
        this._super( options );
    } ),

    _parse: function( val ) {
        if ( typeof val === "string" && val !== "" ) {
            val = window.Globalize && this.options.numberFormat ?
                Globalize.parseFloat( val, 10, this.options.culture ) : +val;
        }
        return val === "" || isNaN( val ) ? null : val;
    },

    _format: function( value ) {
        if ( value === "" ) {
            return "";
        }
        return window.Globalize && this.options.numberFormat ?
            Globalize.format( value, this.options.numberFormat, this.options.culture ) :
            value;
    },

    _refresh: function() {
        this.element.attr( {
            "aria-valuemin": this.options.min,
            "aria-valuemax": this.options.max,

            // TODO: what should we do with values that can't be parsed?
            "aria-valuenow": this._parse( this.element.val() )
        } );
    },

    isValid: function() {
        var value = this.value();

        // Null is invalid
        if ( value === null ) {
            return false;
        }

        // If value gets adjusted, it's invalid
        return value === this._adjustValue( value );
    },

    // Update the value without triggering change
    _value: function( value, allowAny ) {
        var parsed;
        if ( value !== "" ) {
            parsed = this._parse( value );
            if ( parsed !== null ) {
                if ( !allowAny ) {
                    parsed = this._adjustValue( parsed );
                }
                value = this._format( parsed );
            }
        }
        this.element.val( value );
        this._refresh();
    },

    _destroy: function() {
        this.element
            .prop( "disabled", false )
            .removeAttr( "autocomplete role aria-valuemin aria-valuemax aria-valuenow" );

        this.uiSpinner.replaceWith( this.element );
    },

    stepUp: spinnerModifer( function( steps ) {
        this._stepUp( steps );
    } ),
    _stepUp: function( steps ) {
        if ( this._start() ) {
            this._spin( ( steps || 1 ) * this.options.step );
            this._stop();
        }
    },

    stepDown: spinnerModifer( function( steps ) {
        this._stepDown( steps );
    } ),
    _stepDown: function( steps ) {
        if ( this._start() ) {
            this._spin( ( steps || 1 ) * -this.options.step );
            this._stop();
        }
    },

    pageUp: spinnerModifer( function( pages ) {
        this._stepUp( ( pages || 1 ) * this.options.page );
    } ),

    pageDown: spinnerModifer( function( pages ) {
        this._stepDown( ( pages || 1 ) * this.options.page );
    } ),

    value: function( newVal ) {
        if ( !arguments.length ) {
            return this._parse( this.element.val() );
        }
        spinnerModifer( this._value ).call( this, newVal );
    },

    widget: function() {
        return this.uiSpinner;
    }
} );

// DEPRECATED
// TODO: switch return back to widget declaration at top of file when this is removed
if ( $.uiBackCompat !== false ) {

    // Backcompat for spinner html extension points
    $.widget( "ui.spinner", $.ui.spinner, {
        _enhance: function() {
            this.uiSpinner = this.element
                .attr( "autocomplete", "off" )
                .wrap( this._uiSpinnerHtml() )
                .parent()

                    // Add buttons
                    .append( this._buttonHtml() );
        },
        _uiSpinnerHtml: function() {
            return "<span>";
        },

        _buttonHtml: function() {
            return "<a></a><a></a>";
        }
    } );
}

var widgetsSpinner = $.ui.spinner;


//>>label: Tabs
//>>group: Widgets
//>>description: Transforms a set of container elements into a tab structure.
//>>docs: http://api.jqueryui.com/tabs/
//>>demos: http://jqueryui.com/tabs/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/tabs.css
//>>css.theme: ../../themes/base/theme.css



$.widget( "ui.tabs", {
    version: "1.12.1",
    delay: 300,
    options: {
        active: null,
        classes: {
            "ui-tabs": "ui-corner-all",
            "ui-tabs-nav": "ui-corner-all",
            "ui-tabs-panel": "ui-corner-bottom",
            "ui-tabs-tab": "ui-corner-top"
        },
        collapsible: false,
        event: "click",
        heightStyle: "content",
        hide: null,
        show: null,

        // Callbacks
        activate: null,
        beforeActivate: null,
        beforeLoad: null,
        load: null
    },

    _isLocal: ( function() {
        var rhash = /#.*$/;

        return function( anchor ) {
            var anchorUrl, locationUrl;

            anchorUrl = anchor.href.replace( rhash, "" );
            locationUrl = location.href.replace( rhash, "" );

            // Decoding may throw an error if the URL isn't UTF-8 (#9518)
            try {
                anchorUrl = decodeURIComponent( anchorUrl );
            } catch ( error ) {}
            try {
                locationUrl = decodeURIComponent( locationUrl );
            } catch ( error ) {}

            return anchor.hash.length > 1 && anchorUrl === locationUrl;
        };
    } )(),

    _create: function() {
        var that = this,
            options = this.options;

        this.running = false;

        this._addClass( "ui-tabs", "ui-widget ui-widget-content" );
        this._toggleClass( "ui-tabs-collapsible", null, options.collapsible );

        this._processTabs();
        options.active = this._initialActive();

        // Take disabling tabs via class attribute from HTML
        // into account and update option properly.
        if ( $.isArray( options.disabled ) ) {
            options.disabled = $.unique( options.disabled.concat(
                $.map( this.tabs.filter( ".ui-state-disabled" ), function( li ) {
                    return that.tabs.index( li );
                } )
            ) ).sort();
        }

        // Check for length avoids error when initializing empty list
        if ( this.options.active !== false && this.anchors.length ) {
            this.active = this._findActive( options.active );
        } else {
            this.active = $();
        }

        this._refresh();

        if ( this.active.length ) {
            this.load( options.active );
        }
    },

    _initialActive: function() {
        var active = this.options.active,
            collapsible = this.options.collapsible,
            locationHash = location.hash.substring( 1 );

        if ( active === null ) {

            // check the fragment identifier in the URL
            if ( locationHash ) {
                this.tabs.each( function( i, tab ) {
                    if ( $( tab ).attr( "aria-controls" ) === locationHash ) {
                        active = i;
                        return false;
                    }
                } );
            }

            // Check for a tab marked active via a class
            if ( active === null ) {
                active = this.tabs.index( this.tabs.filter( ".ui-tabs-active" ) );
            }

            // No active tab, set to false
            if ( active === null || active === -1 ) {
                active = this.tabs.length ? 0 : false;
            }
        }

        // Handle numbers: negative, out of range
        if ( active !== false ) {
            active = this.tabs.index( this.tabs.eq( active ) );
            if ( active === -1 ) {
                active = collapsible ? false : 0;
            }
        }

        // Don't allow collapsible: false and active: false
        if ( !collapsible && active === false && this.anchors.length ) {
            active = 0;
        }

        return active;
    },

    _getCreateEventData: function() {
        return {
            tab: this.active,
            panel: !this.active.length ? $() : this._getPanelForTab( this.active )
        };
    },

    _tabKeydown: function( event ) {
        var focusedTab = $( $.ui.safeActiveElement( this.document[ 0 ] ) ).closest( "li" ),
            selectedIndex = this.tabs.index( focusedTab ),
            goingForward = true;

        if ( this._handlePageNav( event ) ) {
            return;
        }

        switch ( event.keyCode ) {
        case $.ui.keyCode.RIGHT:
        case $.ui.keyCode.DOWN:
            selectedIndex++;
            break;
        case $.ui.keyCode.UP:
        case $.ui.keyCode.LEFT:
            goingForward = false;
            selectedIndex--;
            break;
        case $.ui.keyCode.END:
            selectedIndex = this.anchors.length - 1;
            break;
        case $.ui.keyCode.HOME:
            selectedIndex = 0;
            break;
        case $.ui.keyCode.SPACE:

            // Activate only, no collapsing
            event.preventDefault();
            clearTimeout( this.activating );
            this._activate( selectedIndex );
            return;
        case $.ui.keyCode.ENTER:

            // Toggle (cancel delayed activation, allow collapsing)
            event.preventDefault();
            clearTimeout( this.activating );

            // Determine if we should collapse or activate
            this._activate( selectedIndex === this.options.active ? false : selectedIndex );
            return;
        default:
            return;
        }

        // Focus the appropriate tab, based on which key was pressed
        event.preventDefault();
        clearTimeout( this.activating );
        selectedIndex = this._focusNextTab( selectedIndex, goingForward );

        // Navigating with control/command key will prevent automatic activation
        if ( !event.ctrlKey && !event.metaKey ) {

            // Update aria-selected immediately so that AT think the tab is already selected.
            // Otherwise AT may confuse the user by stating that they need to activate the tab,
            // but the tab will already be activated by the time the announcement finishes.
            focusedTab.attr( "aria-selected", "false" );
            this.tabs.eq( selectedIndex ).attr( "aria-selected", "true" );

            this.activating = this._delay( function() {
                this.option( "active", selectedIndex );
            }, this.delay );
        }
    },

    _panelKeydown: function( event ) {
        if ( this._handlePageNav( event ) ) {
            return;
        }

        // Ctrl+up moves focus to the current tab
        if ( event.ctrlKey && event.keyCode === $.ui.keyCode.UP ) {
            event.preventDefault();
            this.active.trigger( "focus" );
        }
    },

    // Alt+page up/down moves focus to the previous/next tab (and activates)
    _handlePageNav: function( event ) {
        if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_UP ) {
            this._activate( this._focusNextTab( this.options.active - 1, false ) );
            return true;
        }
        if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_DOWN ) {
            this._activate( this._focusNextTab( this.options.active + 1, true ) );
            return true;
        }
    },

    _findNextTab: function( index, goingForward ) {
        var lastTabIndex = this.tabs.length - 1;

        function constrain() {
            if ( index > lastTabIndex ) {
                index = 0;
            }
            if ( index < 0 ) {
                index = lastTabIndex;
            }
            return index;
        }

        while ( $.inArray( constrain(), this.options.disabled ) !== -1 ) {
            index = goingForward ? index + 1 : index - 1;
        }

        return index;
    },

    _focusNextTab: function( index, goingForward ) {
        index = this._findNextTab( index, goingForward );
        this.tabs.eq( index ).trigger( "focus" );
        return index;
    },

    _setOption: function( key, value ) {
        if ( key === "active" ) {

            // _activate() will handle invalid values and update this.options
            this._activate( value );
            return;
        }

        this._super( key, value );

        if ( key === "collapsible" ) {
            this._toggleClass( "ui-tabs-collapsible", null, value );

            // Setting collapsible: false while collapsed; open first panel
            if ( !value && this.options.active === false ) {
                this._activate( 0 );
            }
        }

        if ( key === "event" ) {
            this._setupEvents( value );
        }

        if ( key === "heightStyle" ) {
            this._setupHeightStyle( value );
        }
    },

    _sanitizeSelector: function( hash ) {
        return hash ? hash.replace( /[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/g, "\\$&" ) : "";
    },

    refresh: function() {
        var options = this.options,
            lis = this.tablist.children( ":has(a[href])" );

        // Get disabled tabs from class attribute from HTML
        // this will get converted to a boolean if needed in _refresh()
        options.disabled = $.map( lis.filter( ".ui-state-disabled" ), function( tab ) {
            return lis.index( tab );
        } );

        this._processTabs();

        // Was collapsed or no tabs
        if ( options.active === false || !this.anchors.length ) {
            options.active = false;
            this.active = $();

        // was active, but active tab is gone
        } else if ( this.active.length && !$.contains( this.tablist[ 0 ], this.active[ 0 ] ) ) {

            // all remaining tabs are disabled
            if ( this.tabs.length === options.disabled.length ) {
                options.active = false;
                this.active = $();

            // activate previous tab
            } else {
                this._activate( this._findNextTab( Math.max( 0, options.active - 1 ), false ) );
            }

        // was active, active tab still exists
        } else {

            // make sure active index is correct
            options.active = this.tabs.index( this.active );
        }

        this._refresh();
    },

    _refresh: function() {
        this._setOptionDisabled( this.options.disabled );
        this._setupEvents( this.options.event );
        this._setupHeightStyle( this.options.heightStyle );

        this.tabs.not( this.active ).attr( {
            "aria-selected": "false",
            "aria-expanded": "false",
            tabIndex: -1
        } );
        this.panels.not( this._getPanelForTab( this.active ) )
            .hide()
            .attr( {
                "aria-hidden": "true"
            } );

        // Make sure one tab is in the tab order
        if ( !this.active.length ) {
            this.tabs.eq( 0 ).attr( "tabIndex", 0 );
        } else {
            this.active
                .attr( {
                    "aria-selected": "true",
                    "aria-expanded": "true",
                    tabIndex: 0
                } );
            this._addClass( this.active, "ui-tabs-active", "ui-state-active" );
            this._getPanelForTab( this.active )
                .show()
                .attr( {
                    "aria-hidden": "false"
                } );
        }
    },

    _processTabs: function() {
        var that = this,
            prevTabs = this.tabs,
            prevAnchors = this.anchors,
            prevPanels = this.panels;

        this.tablist = this._getList().attr( "role", "tablist" );
        this._addClass( this.tablist, "ui-tabs-nav",
            "ui-helper-reset ui-helper-clearfix ui-widget-header" );

        // Prevent users from focusing disabled tabs via click
        this.tablist
            .on( "mousedown" + this.eventNamespace, "> li", function( event ) {
                if ( $( this ).is( ".ui-state-disabled" ) ) {
                    event.preventDefault();
                }
            } )

            // Support: IE <9
            // Preventing the default action in mousedown doesn't prevent IE
            // from focusing the element, so if the anchor gets focused, blur.
            // We don't have to worry about focusing the previously focused
            // element since clicking on a non-focusable element should focus
            // the body anyway.
            .on( "focus" + this.eventNamespace, ".ui-tabs-anchor", function() {
                if ( $( this ).closest( "li" ).is( ".ui-state-disabled" ) ) {
                    this.blur();
                }
            } );

        this.tabs = this.tablist.find( "> li:has(a[href])" )
            .attr( {
                role: "tab",
                tabIndex: -1
            } );
        this._addClass( this.tabs, "ui-tabs-tab", "ui-state-default" );

        this.anchors = this.tabs.map( function() {
            return $( "a", this )[ 0 ];
        } )
            .attr( {
                role: "presentation",
                tabIndex: -1
            } );
        this._addClass( this.anchors, "ui-tabs-anchor" );

        this.panels = $();

        this.anchors.each( function( i, anchor ) {
            var selector, panel, panelId,
                anchorId = $( anchor ).uniqueId().attr( "id" ),
                tab = $( anchor ).closest( "li" ),
                originalAriaControls = tab.attr( "aria-controls" );

            // Inline tab
            if ( that._isLocal( anchor ) ) {
                selector = anchor.hash;
                panelId = selector.substring( 1 );
                panel = that.element.find( that._sanitizeSelector( selector ) );

            // remote tab
            } else {

                // If the tab doesn't already have aria-controls,
                // generate an id by using a throw-away element
                panelId = tab.attr( "aria-controls" ) || $( {} ).uniqueId()[ 0 ].id;
                selector = "#" + panelId;
                panel = that.element.find( selector );
                if ( !panel.length ) {
                    panel = that._createPanel( panelId );
                    panel.insertAfter( that.panels[ i - 1 ] || that.tablist );
                }
                panel.attr( "aria-live", "polite" );
            }

            if ( panel.length ) {
                that.panels = that.panels.add( panel );
            }
            if ( originalAriaControls ) {
                tab.data( "ui-tabs-aria-controls", originalAriaControls );
            }
            tab.attr( {
                "aria-controls": panelId,
                "aria-labelledby": anchorId
            } );
            panel.attr( "aria-labelledby", anchorId );
        } );

        this.panels.attr( "role", "tabpanel" );
        this._addClass( this.panels, "ui-tabs-panel", "ui-widget-content" );

        // Avoid memory leaks (#10056)
        if ( prevTabs ) {
            this._off( prevTabs.not( this.tabs ) );
            this._off( prevAnchors.not( this.anchors ) );
            this._off( prevPanels.not( this.panels ) );
        }
    },

    // Allow overriding how to find the list for rare usage scenarios (#7715)
    _getList: function() {
        return this.tablist || this.element.find( "ol, ul" ).eq( 0 );
    },

    _createPanel: function( id ) {
        return $( "<div>" )
            .attr( "id", id )
            .data( "ui-tabs-destroy", true );
    },

    _setOptionDisabled: function( disabled ) {
        var currentItem, li, i;

        if ( $.isArray( disabled ) ) {
            if ( !disabled.length ) {
                disabled = false;
            } else if ( disabled.length === this.anchors.length ) {
                disabled = true;
            }
        }

        // Disable tabs
        for ( i = 0; ( li = this.tabs[ i ] ); i++ ) {
            currentItem = $( li );
            if ( disabled === true || $.inArray( i, disabled ) !== -1 ) {
                currentItem.attr( "aria-disabled", "true" );
                this._addClass( currentItem, null, "ui-state-disabled" );
            } else {
                currentItem.removeAttr( "aria-disabled" );
                this._removeClass( currentItem, null, "ui-state-disabled" );
            }
        }

        this.options.disabled = disabled;

        this._toggleClass( this.widget(), this.widgetFullName + "-disabled", null,
            disabled === true );
    },

    _setupEvents: function( event ) {
        var events = {};
        if ( event ) {
            $.each( event.split( " " ), function( index, eventName ) {
                events[ eventName ] = "_eventHandler";
            } );
        }

        this._off( this.anchors.add( this.tabs ).add( this.panels ) );

        // Always prevent the default action, even when disabled
        this._on( true, this.anchors, {
            click: function( event ) {
                event.preventDefault();
            }
        } );
        this._on( this.anchors, events );
        this._on( this.tabs, { keydown: "_tabKeydown" } );
        this._on( this.panels, { keydown: "_panelKeydown" } );

        this._focusable( this.tabs );
        this._hoverable( this.tabs );
    },

    _setupHeightStyle: function( heightStyle ) {
        var maxHeight,
            parent = this.element.parent();

        if ( heightStyle === "fill" ) {
            maxHeight = parent.height();
            maxHeight -= this.element.outerHeight() - this.element.height();

            this.element.siblings( ":visible" ).each( function() {
                var elem = $( this ),
                    position = elem.css( "position" );

                if ( position === "absolute" || position === "fixed" ) {
                    return;
                }
                maxHeight -= elem.outerHeight( true );
            } );

            this.element.children().not( this.panels ).each( function() {
                maxHeight -= $( this ).outerHeight( true );
            } );

            this.panels.each( function() {
                $( this ).height( Math.max( 0, maxHeight -
                    $( this ).innerHeight() + $( this ).height() ) );
            } )
                .css( "overflow", "auto" );
        } else if ( heightStyle === "auto" ) {
            maxHeight = 0;
            this.panels.each( function() {
                maxHeight = Math.max( maxHeight, $( this ).height( "" ).height() );
            } ).height( maxHeight );
        }
    },

    _eventHandler: function( event ) {
        var options = this.options,
            active = this.active,
            anchor = $( event.currentTarget ),
            tab = anchor.closest( "li" ),
            clickedIsActive = tab[ 0 ] === active[ 0 ],
            collapsing = clickedIsActive && options.collapsible,
            toShow = collapsing ? $() : this._getPanelForTab( tab ),
            toHide = !active.length ? $() : this._getPanelForTab( active ),
            eventData = {
                oldTab: active,
                oldPanel: toHide,
                newTab: collapsing ? $() : tab,
                newPanel: toShow
            };

        event.preventDefault();

        if ( tab.hasClass( "ui-state-disabled" ) ||

                // tab is already loading
                tab.hasClass( "ui-tabs-loading" ) ||

                // can't switch durning an animation
                this.running ||

                // click on active header, but not collapsible
                ( clickedIsActive && !options.collapsible ) ||

                // allow canceling activation
                ( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
            return;
        }

        options.active = collapsing ? false : this.tabs.index( tab );

        this.active = clickedIsActive ? $() : tab;
        if ( this.xhr ) {
            this.xhr.abort();
        }

        if ( !toHide.length && !toShow.length ) {
            $.error( "jQuery UI Tabs: Mismatching fragment identifier." );
        }

        if ( toShow.length ) {
            this.load( this.tabs.index( tab ), event );
        }
        this._toggle( event, eventData );
    },

    // Handles show/hide for selecting tabs
    _toggle: function( event, eventData ) {
        var that = this,
            toShow = eventData.newPanel,
            toHide = eventData.oldPanel;

        this.running = true;

        function complete() {
            that.running = false;
            that._trigger( "activate", event, eventData );
        }

        function show() {
            that._addClass( eventData.newTab.closest( "li" ), "ui-tabs-active", "ui-state-active" );

            if ( toShow.length && that.options.show ) {
                that._show( toShow, that.options.show, complete );
            } else {
                toShow.show();
                complete();
            }
        }

        // Start out by hiding, then showing, then completing
        if ( toHide.length && this.options.hide ) {
            this._hide( toHide, this.options.hide, function() {
                that._removeClass( eventData.oldTab.closest( "li" ),
                    "ui-tabs-active", "ui-state-active" );
                show();
            } );
        } else {
            this._removeClass( eventData.oldTab.closest( "li" ),
                "ui-tabs-active", "ui-state-active" );
            toHide.hide();
            show();
        }

        toHide.attr( "aria-hidden", "true" );
        eventData.oldTab.attr( {
            "aria-selected": "false",
            "aria-expanded": "false"
        } );

        // If we're switching tabs, remove the old tab from the tab order.
        // If we're opening from collapsed state, remove the previous tab from the tab order.
        // If we're collapsing, then keep the collapsing tab in the tab order.
        if ( toShow.length && toHide.length ) {
            eventData.oldTab.attr( "tabIndex", -1 );
        } else if ( toShow.length ) {
            this.tabs.filter( function() {
                return $( this ).attr( "tabIndex" ) === 0;
            } )
                .attr( "tabIndex", -1 );
        }

        toShow.attr( "aria-hidden", "false" );
        eventData.newTab.attr( {
            "aria-selected": "true",
            "aria-expanded": "true",
            tabIndex: 0
        } );
    },

    _activate: function( index ) {
        var anchor,
            active = this._findActive( index );

        // Trying to activate the already active panel
        if ( active[ 0 ] === this.active[ 0 ] ) {
            return;
        }

        // Trying to collapse, simulate a click on the current active header
        if ( !active.length ) {
            active = this.active;
        }

        anchor = active.find( ".ui-tabs-anchor" )[ 0 ];
        this._eventHandler( {
            target: anchor,
            currentTarget: anchor,
            preventDefault: $.noop
        } );
    },

    _findActive: function( index ) {
        return index === false ? $() : this.tabs.eq( index );
    },

    _getIndex: function( index ) {

        // meta-function to give users option to provide a href string instead of a numerical index.
        if ( typeof index === "string" ) {
            index = this.anchors.index( this.anchors.filter( "[href$='" +
                $.ui.escapeSelector( index ) + "']" ) );
        }

        return index;
    },

    _destroy: function() {
        if ( this.xhr ) {
            this.xhr.abort();
        }

        this.tablist
            .removeAttr( "role" )
            .off( this.eventNamespace );

        this.anchors
            .removeAttr( "role tabIndex" )
            .removeUniqueId();

        this.tabs.add( this.panels ).each( function() {
            if ( $.data( this, "ui-tabs-destroy" ) ) {
                $( this ).remove();
            } else {
                $( this ).removeAttr( "role tabIndex " +
                    "aria-live aria-busy aria-selected aria-labelledby aria-hidden aria-expanded" );
            }
        } );

        this.tabs.each( function() {
            var li = $( this ),
                prev = li.data( "ui-tabs-aria-controls" );
            if ( prev ) {
                li
                    .attr( "aria-controls", prev )
                    .removeData( "ui-tabs-aria-controls" );
            } else {
                li.removeAttr( "aria-controls" );
            }
        } );

        this.panels.show();

        if ( this.options.heightStyle !== "content" ) {
            this.panels.css( "height", "" );
        }
    },

    enable: function( index ) {
        var disabled = this.options.disabled;
        if ( disabled === false ) {
            return;
        }

        if ( index === undefined ) {
            disabled = false;
        } else {
            index = this._getIndex( index );
            if ( $.isArray( disabled ) ) {
                disabled = $.map( disabled, function( num ) {
                    return num !== index ? num : null;
                } );
            } else {
                disabled = $.map( this.tabs, function( li, num ) {
                    return num !== index ? num : null;
                } );
            }
        }
        this._setOptionDisabled( disabled );
    },

    disable: function( index ) {
        var disabled = this.options.disabled;
        if ( disabled === true ) {
            return;
        }

        if ( index === undefined ) {
            disabled = true;
        } else {
            index = this._getIndex( index );
            if ( $.inArray( index, disabled ) !== -1 ) {
                return;
            }
            if ( $.isArray( disabled ) ) {
                disabled = $.merge( [ index ], disabled ).sort();
            } else {
                disabled = [ index ];
            }
        }
        this._setOptionDisabled( disabled );
    },

    load: function( index, event ) {
        index = this._getIndex( index );
        var that = this,
            tab = this.tabs.eq( index ),
            anchor = tab.find( ".ui-tabs-anchor" ),
            panel = this._getPanelForTab( tab ),
            eventData = {
                tab: tab,
                panel: panel
            },
            complete = function( jqXHR, status ) {
                if ( status === "abort" ) {
                    that.panels.stop( false, true );
                }

                that._removeClass( tab, "ui-tabs-loading" );
                panel.removeAttr( "aria-busy" );

                if ( jqXHR === that.xhr ) {
                    delete that.xhr;
                }
            };

        // Not remote
        if ( this._isLocal( anchor[ 0 ] ) ) {
            return;
        }

        this.xhr = $.ajax( this._ajaxSettings( anchor, event, eventData ) );

        // Support: jQuery <1.8
        // jQuery <1.8 returns false if the request is canceled in beforeSend,
        // but as of 1.8, $.ajax() always returns a jqXHR object.
        if ( this.xhr && this.xhr.statusText !== "canceled" ) {
            this._addClass( tab, "ui-tabs-loading" );
            panel.attr( "aria-busy", "true" );

            this.xhr
                .done( function( response, status, jqXHR ) {

                    // support: jQuery <1.8
                    // http://bugs.jquery.com/ticket/11778
                    setTimeout( function() {
                        panel.html( response );
                        that._trigger( "load", event, eventData );

                        complete( jqXHR, status );
                    }, 1 );
                } )
                .fail( function( jqXHR, status ) {

                    // support: jQuery <1.8
                    // http://bugs.jquery.com/ticket/11778
                    setTimeout( function() {
                        complete( jqXHR, status );
                    }, 1 );
                } );
        }
    },

    _ajaxSettings: function( anchor, event, eventData ) {
        var that = this;
        return {

            // Support: IE <11 only
            // Strip any hash that exists to prevent errors with the Ajax request
            url: anchor.attr( "href" ).replace( /#.*$/, "" ),
            beforeSend: function( jqXHR, settings ) {
                return that._trigger( "beforeLoad", event,
                    $.extend( { jqXHR: jqXHR, ajaxSettings: settings }, eventData ) );
            }
        };
    },

    _getPanelForTab: function( tab ) {
        var id = $( tab ).attr( "aria-controls" );
        return this.element.find( this._sanitizeSelector( "#" + id ) );
    }
} );

// DEPRECATED
// TODO: Switch return back to widget declaration at top of file when this is removed
if ( $.uiBackCompat !== false ) {

    // Backcompat for ui-tab class (now ui-tabs-tab)
    $.widget( "ui.tabs", $.ui.tabs, {
        _processTabs: function() {
            this._superApply( arguments );
            this._addClass( this.tabs, "ui-tab" );
        }
    } );
}

var widgetsTabs = $.ui.tabs;


//>>label: Tooltip
//>>group: Widgets
//>>description: Shows additional information for any element on hover or focus.
//>>docs: http://api.jqueryui.com/tooltip/
//>>demos: http://jqueryui.com/tooltip/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/tooltip.css
//>>css.theme: ../../themes/base/theme.css



$.widget( "ui.tooltip", {
    version: "1.12.1",
    options: {
        classes: {
            "ui-tooltip": "ui-corner-all ui-widget-shadow"
        },
        content: function() {

            // support: IE<9, Opera in jQuery <1.7
            // .text() can't accept undefined, so coerce to a string
            var title = $( this ).attr( "title" ) || "";

            // Escape title, since we're going from an attribute to raw HTML
            return $( "<a>" ).text( title ).html();
        },
        hide: true,

        // Disabled elements have inconsistent behavior across browsers (#8661)
        items: "[title]:not([disabled])",
        position: {
            my: "left top+15",
            at: "left bottom",
            collision: "flipfit flip"
        },
        show: true,
        track: false,

        // Callbacks
        close: null,
        open: null
    },

    _addDescribedBy: function( elem, id ) {
        var describedby = ( elem.attr( "aria-describedby" ) || "" ).split( /\s+/ );
        describedby.push( id );
        elem
            .data( "ui-tooltip-id", id )
            .attr( "aria-describedby", $.trim( describedby.join( " " ) ) );
    },

    _removeDescribedBy: function( elem ) {
        var id = elem.data( "ui-tooltip-id" ),
            describedby = ( elem.attr( "aria-describedby" ) || "" ).split( /\s+/ ),
            index = $.inArray( id, describedby );

        if ( index !== -1 ) {
            describedby.splice( index, 1 );
        }

        elem.removeData( "ui-tooltip-id" );
        describedby = $.trim( describedby.join( " " ) );
        if ( describedby ) {
            elem.attr( "aria-describedby", describedby );
        } else {
            elem.removeAttr( "aria-describedby" );
        }
    },

    _create: function() {
        this._on( {
            mouseover: "open",
            focusin: "open"
        } );

        // IDs of generated tooltips, needed for destroy
        this.tooltips = {};

        // IDs of parent tooltips where we removed the title attribute
        this.parents = {};

        // Append the aria-live region so tooltips announce correctly
        this.liveRegion = $( "<div>" )
            .attr( {
                role: "log",
                "aria-live": "assertive",
                "aria-relevant": "additions"
            } )
            .appendTo( this.document[ 0 ].body );
        this._addClass( this.liveRegion, null, "ui-helper-hidden-accessible" );

        this.disabledTitles = $( [] );
    },

    _setOption: function( key, value ) {
        var that = this;

        this._super( key, value );

        if ( key === "content" ) {
            $.each( this.tooltips, function( id, tooltipData ) {
                that._updateContent( tooltipData.element );
            } );
        }
    },

    _setOptionDisabled: function( value ) {
        this[ value ? "_disable" : "_enable" ]();
    },

    _disable: function() {
        var that = this;

        // Close open tooltips
        $.each( this.tooltips, function( id, tooltipData ) {
            var event = $.Event( "blur" );
            event.target = event.currentTarget = tooltipData.element[ 0 ];
            that.close( event, true );
        } );

        // Remove title attributes to prevent native tooltips
        this.disabledTitles = this.disabledTitles.add(
            this.element.find( this.options.items ).addBack()
                .filter( function() {
                    var element = $( this );
                    if ( element.is( "[title]" ) ) {
                        return element
                            .data( "ui-tooltip-title", element.attr( "title" ) )
                            .removeAttr( "title" );
                    }
                } )
        );
    },

    _enable: function() {

        // restore title attributes
        this.disabledTitles.each( function() {
            var element = $( this );
            if ( element.data( "ui-tooltip-title" ) ) {
                element.attr( "title", element.data( "ui-tooltip-title" ) );
            }
        } );
        this.disabledTitles = $( [] );
    },

    open: function( event ) {
        var that = this,
            target = $( event ? event.target : this.element )

                // we need closest here due to mouseover bubbling,
                // but always pointing at the same event target
                .closest( this.options.items );

        // No element to show a tooltip for or the tooltip is already open
        if ( !target.length || target.data( "ui-tooltip-id" ) ) {
            return;
        }

        if ( target.attr( "title" ) ) {
            target.data( "ui-tooltip-title", target.attr( "title" ) );
        }

        target.data( "ui-tooltip-open", true );

        // Kill parent tooltips, custom or native, for hover
        if ( event && event.type === "mouseover" ) {
            target.parents().each( function() {
                var parent = $( this ),
                    blurEvent;
                if ( parent.data( "ui-tooltip-open" ) ) {
                    blurEvent = $.Event( "blur" );
                    blurEvent.target = blurEvent.currentTarget = this;
                    that.close( blurEvent, true );
                }
                if ( parent.attr( "title" ) ) {
                    parent.uniqueId();
                    that.parents[ this.id ] = {
                        element: this,
                        title: parent.attr( "title" )
                    };
                    parent.attr( "title", "" );
                }
            } );
        }

        this._registerCloseHandlers( event, target );
        this._updateContent( target, event );
    },

    _updateContent: function( target, event ) {
        var content,
            contentOption = this.options.content,
            that = this,
            eventType = event ? event.type : null;

        if ( typeof contentOption === "string" || contentOption.nodeType ||
                contentOption.jquery ) {
            return this._open( event, target, contentOption );
        }

        content = contentOption.call( target[ 0 ], function( response ) {

            // IE may instantly serve a cached response for ajax requests
            // delay this call to _open so the other call to _open runs first
            that._delay( function() {

                // Ignore async response if tooltip was closed already
                if ( !target.data( "ui-tooltip-open" ) ) {
                    return;
                }

                // JQuery creates a special event for focusin when it doesn't
                // exist natively. To improve performance, the native event
                // object is reused and the type is changed. Therefore, we can't
                // rely on the type being correct after the event finished
                // bubbling, so we set it back to the previous value. (#8740)
                if ( event ) {
                    event.type = eventType;
                }
                this._open( event, target, response );
            } );
        } );
        if ( content ) {
            this._open( event, target, content );
        }
    },

    _open: function( event, target, content ) {
        var tooltipData, tooltip, delayedShow, a11yContent,
            positionOption = $.extend( {}, this.options.position );

        if ( !content ) {
            return;
        }

        // Content can be updated multiple times. If the tooltip already
        // exists, then just update the content and bail.
        tooltipData = this._find( target );
        if ( tooltipData ) {
            tooltipData.tooltip.find( ".ui-tooltip-content" ).html( content );
            return;
        }

        // If we have a title, clear it to prevent the native tooltip
        // we have to check first to avoid defining a title if none exists
        // (we don't want to cause an element to start matching [title])
        //
        // We use removeAttr only for key events, to allow IE to export the correct
        // accessible attributes. For mouse events, set to empty string to avoid
        // native tooltip showing up (happens only when removing inside mouseover).
        if ( target.is( "[title]" ) ) {
            if ( event && event.type === "mouseover" ) {
                target.attr( "title", "" );
            } else {
                target.removeAttr( "title" );
            }
        }

        tooltipData = this._tooltip( target );
        tooltip = tooltipData.tooltip;
        this._addDescribedBy( target, tooltip.attr( "id" ) );
        tooltip.find( ".ui-tooltip-content" ).html( content );

        // Support: Voiceover on OS X, JAWS on IE <= 9
        // JAWS announces deletions even when aria-relevant="additions"
        // Voiceover will sometimes re-read the entire log region's contents from the beginning
        this.liveRegion.children().hide();
        a11yContent = $( "<div>" ).html( tooltip.find( ".ui-tooltip-content" ).html() );
        a11yContent.removeAttr( "name" ).find( "[name]" ).removeAttr( "name" );
        a11yContent.removeAttr( "id" ).find( "[id]" ).removeAttr( "id" );
        a11yContent.appendTo( this.liveRegion );

        function position( event ) {
            positionOption.of = event;
            if ( tooltip.is( ":hidden" ) ) {
                return;
            }
            tooltip.position( positionOption );
        }
        if ( this.options.track && event && /^mouse/.test( event.type ) ) {
            this._on( this.document, {
                mousemove: position
            } );

            // trigger once to override element-relative positioning
            position( event );
        } else {
            tooltip.position( $.extend( {
                of: target
            }, this.options.position ) );
        }

        tooltip.hide();

        this._show( tooltip, this.options.show );

        // Handle tracking tooltips that are shown with a delay (#8644). As soon
        // as the tooltip is visible, position the tooltip using the most recent
        // event.
        // Adds the check to add the timers only when both delay and track options are set (#14682)
        if ( this.options.track && this.options.show && this.options.show.delay ) {
            delayedShow = this.delayedShow = setInterval( function() {
                if ( tooltip.is( ":visible" ) ) {
                    position( positionOption.of );
                    clearInterval( delayedShow );
                }
            }, $.fx.interval );
        }

        this._trigger( "open", event, { tooltip: tooltip } );
    },

    _registerCloseHandlers: function( event, target ) {
        var events = {
            keyup: function( event ) {
                if ( event.keyCode === $.ui.keyCode.ESCAPE ) {
                    var fakeEvent = $.Event( event );
                    fakeEvent.currentTarget = target[ 0 ];
                    this.close( fakeEvent, true );
                }
            }
        };

        // Only bind remove handler for delegated targets. Non-delegated
        // tooltips will handle this in destroy.
        if ( target[ 0 ] !== this.element[ 0 ] ) {
            events.remove = function() {
                this._removeTooltip( this._find( target ).tooltip );
            };
        }

        if ( !event || event.type === "mouseover" ) {
            events.mouseleave = "close";
        }
        if ( !event || event.type === "focusin" ) {
            events.focusout = "close";
        }
        this._on( true, target, events );
    },

    close: function( event ) {
        var tooltip,
            that = this,
            target = $( event ? event.currentTarget : this.element ),
            tooltipData = this._find( target );

        // The tooltip may already be closed
        if ( !tooltipData ) {

            // We set ui-tooltip-open immediately upon open (in open()), but only set the
            // additional data once there's actually content to show (in _open()). So even if the
            // tooltip doesn't have full data, we always remove ui-tooltip-open in case we're in
            // the period between open() and _open().
            target.removeData( "ui-tooltip-open" );
            return;
        }

        tooltip = tooltipData.tooltip;

        // Disabling closes the tooltip, so we need to track when we're closing
        // to avoid an infinite loop in case the tooltip becomes disabled on close
        if ( tooltipData.closing ) {
            return;
        }

        // Clear the interval for delayed tracking tooltips
        clearInterval( this.delayedShow );

        // Only set title if we had one before (see comment in _open())
        // If the title attribute has changed since open(), don't restore
        if ( target.data( "ui-tooltip-title" ) && !target.attr( "title" ) ) {
            target.attr( "title", target.data( "ui-tooltip-title" ) );
        }

        this._removeDescribedBy( target );

        tooltipData.hiding = true;
        tooltip.stop( true );
        this._hide( tooltip, this.options.hide, function() {
            that._removeTooltip( $( this ) );
        } );

        target.removeData( "ui-tooltip-open" );
        this._off( target, "mouseleave focusout keyup" );

        // Remove 'remove' binding only on delegated targets
        if ( target[ 0 ] !== this.element[ 0 ] ) {
            this._off( target, "remove" );
        }
        this._off( this.document, "mousemove" );

        if ( event && event.type === "mouseleave" ) {
            $.each( this.parents, function( id, parent ) {
                $( parent.element ).attr( "title", parent.title );
                delete that.parents[ id ];
            } );
        }

        tooltipData.closing = true;
        this._trigger( "close", event, { tooltip: tooltip } );
        if ( !tooltipData.hiding ) {
            tooltipData.closing = false;
        }
    },

    _tooltip: function( element ) {
        var tooltip = $( "<div>" ).attr( "role", "tooltip" ),
            content = $( "<div>" ).appendTo( tooltip ),
            id = tooltip.uniqueId().attr( "id" );

        this._addClass( content, "ui-tooltip-content" );
        this._addClass( tooltip, "ui-tooltip", "ui-widget ui-widget-content" );

        tooltip.appendTo( this._appendTo( element ) );

        return this.tooltips[ id ] = {
            element: element,
            tooltip: tooltip
        };
    },

    _find: function( target ) {
        var id = target.data( "ui-tooltip-id" );
        return id ? this.tooltips[ id ] : null;
    },

    _removeTooltip: function( tooltip ) {
        tooltip.remove();
        delete this.tooltips[ tooltip.attr( "id" ) ];
    },

    _appendTo: function( target ) {
        var element = target.closest( ".ui-front, dialog" );

        if ( !element.length ) {
            element = this.document[ 0 ].body;
        }

        return element;
    },

    _destroy: function() {
        var that = this;

        // Close open tooltips
        $.each( this.tooltips, function( id, tooltipData ) {

            // Delegate to close method to handle common cleanup
            var event = $.Event( "blur" ),
                element = tooltipData.element;
            event.target = event.currentTarget = element[ 0 ];
            that.close( event, true );

            // Remove immediately; destroying an open tooltip doesn't use the
            // hide animation
            $( "#" + id ).remove();

            // Restore the title
            if ( element.data( "ui-tooltip-title" ) ) {

                // If the title attribute has changed since open(), don't restore
                if ( !element.attr( "title" ) ) {
                    element.attr( "title", element.data( "ui-tooltip-title" ) );
                }
                element.removeData( "ui-tooltip-title" );
            }
        } );
        this.liveRegion.remove();
    }
} );

// DEPRECATED
// TODO: Switch return back to widget declaration at top of file when this is removed
if ( $.uiBackCompat !== false ) {

    // Backcompat for tooltipClass option
    $.widget( "ui.tooltip", $.ui.tooltip, {
        options: {
            tooltipClass: null
        },
        _tooltip: function() {
            var tooltipData = this._superApply( arguments );
            if ( this.options.tooltipClass ) {
                tooltipData.tooltip.addClass( this.options.tooltipClass );
            }
            return tooltipData;
        }
    } );
}

var widgetsTooltip = $.ui.tooltip;




}));