/*!

 * jQuery UI Widget 1.10.3

 * http://jqueryui.com

 *

 * Copyright 2013 jQuery Foundation and other contributors

 * Released under the MIT license.

 * http://jquery.org/license

 *

 * http://api.jqueryui.com/jQuery.widget/

 */

(function( $, undefined ) {

var uuid = 0,

	slice = Array.prototype.slice,

	_cleanData = $.cleanData;

$.cleanData = function( elems ) {

	for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {

		try {

			$( elem ).triggerHandler( "remove" );

		// http://bugs.jquery.com/ticket/8235

		} catch( e ) {}

	}

	_cleanData( elems );

};

$.widget = function( name, base, prototype ) {

	var fullName, existingConstructor, constructor, basePrototype,

		// proxiedPrototype allows the provided prototype to remain unmodified

		// so that it can be used as a mixin for multiple widgets (#8876)

		proxiedPrototype = {},

		namespace = name.split( "." )[ 0 ];

	name = name.split( "." )[ 1 ];

	fullName = namespace + "-" + name;

	if ( !prototype ) {

		prototype = base;

		base = $.Widget;

	}

	// 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() {

			var _super = function() {

					return base.prototype[ prop ].apply( this, arguments );

				},

				_superApply = function( args ) {

					return base.prototype[ prop ].apply( this, args );

				};

			return function() {

				var __super = this._super,

					__superApply = this._superApply,

					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

	}, 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 );

};

$.widget.extend = function( target ) {

	var input = slice.call( arguments, 1 ),

		inputIndex = 0,

		inputLength = input.length,

		key,

		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",

			args = slice.call( arguments, 1 ),

			returnValue = this;

		// allow multiple hashes to be passed on init

		options = !isMethodCall && args.length ?

			$.widget.extend.apply( null, [ options ].concat(args) ) :

			options;

		if ( isMethodCall ) {

			this.each(function() {

				var methodValue,

					instance = $.data( this, fullName );

				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 {

			this.each(function() {

				var instance = $.data( this, fullName );

				if ( instance ) {

					instance.option( options || {} )._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: {

		disabled: false,

		// callbacks

		create: null

	},

	_createWidget: function( options, element ) {

		element = $( element || this.defaultElement || this )[ 0 ];

		this.element = $( element );

		this.uuid = uuid++;

		this.eventNamespace = "." + this.widgetName + this.uuid;

		this.options = $.widget.extend( {},

			this.options,

			this._getCreateOptions(),

			options );

		this.bindings = $();

		this.hoverable = $();

		this.focusable = $();

		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._create();

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

		this._init();

	},

	_getCreateOptions: $.noop,

	_getCreateEventData: $.noop,

	_create: $.noop,

	_init: $.noop,

	destroy: function() {

		this._destroy();

		// we can probably remove the unbind calls in 2.0

		// all event bindings should go through this._on()

		this.element

			.unbind( this.eventNamespace )

			// 1.9 BC for #7810

			// TODO remove dual storage

			.removeData( this.widgetName )

			.removeData( this.widgetFullName )

			// support: jquery <1.6.3

			// http://bugs.jquery.com/ticket/9413

			.removeData( $.camelCase( this.widgetFullName ) );

		this.widget()

			.unbind( this.eventNamespace )

			.removeAttr( "aria-disabled" )

			.removeClass(

				this.widgetFullName + "-disabled " +

				"ui-state-disabled" );

		// clean up events and states

		this.bindings.unbind( this.eventNamespace );

		this.hoverable.removeClass( "ui-state-hover" );

		this.focusable.removeClass( "ui-state-focus" );

	},

	_destroy: $.noop,

	widget: function() {

		return this.element;

	},

	option: function( key, value ) {

		var options = key,

			parts,

			curOption,

			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 ( value === undefined ) {

					return curOption[ key ] === undefined ? null : curOption[ key ];

				}

				curOption[ key ] = value;

			} else {

				if ( value === undefined ) {

					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 ) {

		this.options[ key ] = value;