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/*!
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 * jQuery UI Widget 1.8.24
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 *
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 * Copyright 2012, AUTHORS.txt (http://jqueryui.com/about)
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 * Dual licensed under the MIT or GPL Version 2 licenses.
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 * http://jquery.org/license
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 *
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 * http://docs.jquery.com/UI/Widget
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 */
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(function( $, undefined ) {
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// jQuery 1.4+
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if ( $.cleanData ) {
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	var _cleanData = $.cleanData;
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	$.cleanData = function( elems ) {
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		for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
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			try {
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				$( elem ).triggerHandler( "remove" );
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			// http://bugs.jquery.com/ticket/8235
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			} catch( e ) {}
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		}
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		_cleanData( elems );
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	};
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} else {
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	var _remove = $.fn.remove;
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	$.fn.remove = function( selector, keepData ) {
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		return this.each(function() {
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			if ( !keepData ) {
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				if ( !selector || $.filter( selector, [ this ] ).length ) {
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					$( "*", this ).add( [ this ] ).each(function() {
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						try {
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							$( this ).triggerHandler( "remove" );
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						// http://bugs.jquery.com/ticket/8235
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						} catch( e ) {}
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					});
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				}
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			}
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			return _remove.call( $(this), selector, keepData );
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		});
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	};
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}
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$.widget = function( name, base, prototype ) {
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	var namespace = name.split( "." )[ 0 ],
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		fullName;
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	name = name.split( "." )[ 1 ];
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	fullName = namespace + "-" + name;
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	if ( !prototype ) {
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		prototype = base;
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		base = $.Widget;
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	}
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	// create selector for plugin
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	$.expr[ ":" ][ fullName ] = function( elem ) {
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		return !!$.data( elem, name );
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	};
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	$[ namespace ] = $[ namespace ] || {};
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	$[ namespace ][ name ] = function( options, element ) {
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		// allow instantiation without initializing for simple inheritance
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		if ( arguments.length ) {
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			this._createWidget( options, element );
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		}
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	};
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	var basePrototype = new base();
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	// we need to make the options hash a property directly on the new instance
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	// otherwise we'll modify the options hash on the prototype that we're
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	// inheriting from
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//	$.each( basePrototype, function( key, val ) {
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//		if ( $.isPlainObject(val) ) {
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//			basePrototype[ key ] = $.extend( {}, val );
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//		}
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//	});
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	basePrototype.options = $.extend( true, {}, basePrototype.options );
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	$[ namespace ][ name ].prototype = $.extend( true, basePrototype, {
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		namespace: namespace,
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		widgetName: name,
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		widgetEventPrefix: $[ namespace ][ name ].prototype.widgetEventPrefix || name,
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		widgetBaseClass: fullName
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	}, prototype );
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	$.widget.bridge( name, $[ namespace ][ name ] );
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};
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$.widget.bridge = function( name, object ) {
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	$.fn[ name ] = function( options ) {
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		var isMethodCall = typeof options === "string",
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			args = Array.prototype.slice.call( arguments, 1 ),
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			returnValue = this;
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		// allow multiple hashes to be passed on init
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		options = !isMethodCall && args.length ?
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			$.extend.apply( null, [ true, options ].concat(args) ) :
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			options;
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		// prevent calls to internal methods
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		if ( isMethodCall && options.charAt( 0 ) === "_" ) {
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			return returnValue;
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		}
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		if ( isMethodCall ) {
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			this.each(function() {
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				var instance = $.data( this, name ),
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					methodValue = instance && $.isFunction( instance[options] ) ?
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						instance[ options ].apply( instance, args ) :
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						instance;
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				// TODO: add this back in 1.9 and use $.error() (see #5972)
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//				if ( !instance ) {
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//					throw "cannot call methods on " + name + " prior to initialization; " +
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//						"attempted to call method '" + options + "'";
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//				}
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//				if ( !$.isFunction( instance[options] ) ) {
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//					throw "no such method '" + options + "' for " + name + " widget instance";
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//				}
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//				var methodValue = instance[ options ].apply( instance, args );
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				if ( methodValue !== instance && methodValue !== undefined ) {
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					returnValue = methodValue;
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					return false;
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				}
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			});
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		} else {
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			this.each(function() {
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				var instance = $.data( this, name );
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				if ( instance ) {
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					instance.option( options || {} )._init();
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				} else {
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					$.data( this, name, new object( options, this ) );
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				}
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			});
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		}
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		return returnValue;
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	};
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};
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$.Widget = function( options, element ) {
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	// allow instantiation without initializing for simple inheritance
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	if ( arguments.length ) {
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		this._createWidget( options, element );
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	}
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};
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$.Widget.prototype = {
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	widgetName: "widget",
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	widgetEventPrefix: "",
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	options: {
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		disabled: false
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	},
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	_createWidget: function( options, element ) {
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		// $.widget.bridge stores the plugin instance, but we do it anyway
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		// so that it's stored even before the _create function runs
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		$.data( element, this.widgetName, this );
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		this.element = $( element );
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		this.options = $.extend( true, {},
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			this.options,
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			this._getCreateOptions(),
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			options );
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		var self = this;
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		this.element.bind( "remove." + this.widgetName, function() {
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			self.destroy();
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		});
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		this._create();
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		this._trigger( "create" );
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		this._init();
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	},
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	_getCreateOptions: function() {
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		return $.metadata && $.metadata.get( this.element[0] )[ this.widgetName ];
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	},
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	_create: function() {},
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	_init: function() {},
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	destroy: function() {
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		this.element
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			.unbind( "." + this.widgetName )
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			.removeData( this.widgetName );
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		this.widget()
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			.unbind( "." + this.widgetName )
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			.removeAttr( "aria-disabled" )
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			.removeClass(
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				this.widgetBaseClass + "-disabled " +
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				"ui-state-disabled" );
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	},
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	widget: function() {
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		return this.element;
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	},
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	option: function( key, value ) {
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		var options = key;
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		if ( arguments.length === 0 ) {
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			// don't return a reference to the internal hash
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			return $.extend( {}, this.options );
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		}
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		if  (typeof key === "string" ) {
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			if ( value === undefined ) {
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				return this.options[ key ];
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			}
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			options = {};
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			options[ key ] = value;
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		}
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		this._setOptions( options );
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		return this;
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	},
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	_setOptions: function( options ) {
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		var self = this;
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		$.each( options, function( key, value ) {
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			self._setOption( key, value );
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		});
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		return this;
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	},
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	_setOption: function( key, value ) {
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		this.options[ key ] = value;
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		if ( key === "disabled" ) {
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			this.widget()
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				[ value ? "addClass" : "removeClass"](
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					this.widgetBaseClass + "-disabled" + " " +
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					"ui-state-disabled" )
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				.attr( "aria-disabled", value );
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		}
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		return this;
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	},
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	enable: function() {
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		return this._setOption( "disabled", false );
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	},
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	disable: function() {
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		return this._setOption( "disabled", true );
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	},
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	_trigger: function( type, event, data ) {
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		var prop, orig,
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			callback = this.options[ type ];
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		data = data || {};
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		event = $.Event( event );
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		event.type = ( type === this.widgetEventPrefix ?
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			type :
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			this.widgetEventPrefix + type ).toLowerCase();
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		// the original event may come from any element
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		// so we need to reset the target on the new event
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		event.target = this.element[ 0 ];
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		// copy original event properties over to the new event
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		orig = event.originalEvent;
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		if ( orig ) {
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			for ( prop in orig ) {
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				if ( !( prop in event ) ) {
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					event[ prop ] = orig[ prop ];
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				}
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			}
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		}
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		this.element.trigger( event, data );
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		return !( $.isFunction(callback) &&
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			callback.call( this.element[0], event, data ) === false ||
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			event.isDefaultPrevented() );
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	}
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};
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})( jQuery );
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