text: /*! jQuery UI - v1.12.1 - 2018-09-18
  * http://jqueryui.com
  * Includes: widget.js, position.js, keycode.js, unique-id.js, widgets/autocomplete.js, widgets/menu.js
  * Copyright jQuery Foundation and other contributors; Licensed MIT */
  
  (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";
  
  
  /*!
   * jQuery UI Widget 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */
  
  //>>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;
  
  
  /*!
   * jQuery UI Position 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * http://api.jqueryui.com/position/
   */
  
  //>>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;
  
  
  /*!
   * jQuery UI Keycode 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */
  
  //>>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
  };
  
  
  /*!
   * jQuery UI Unique ID 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */
  
  //>>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" );
  			}
  		} );
  	}
  } );
  
  
  
  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;
  };
  
  
  /*!
   * jQuery UI Menu 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */
  
  //>>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() ) );
  					} );
  	}
  } );
  
  
  /*!
   * jQuery UI Autocomplete 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */
  
  //>>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;
  
  
  
  
  }));