text: /*!
   * jQuery UI Autocomplete @VERSION
   * http://jqueryui.com
   *
   * Copyright 2012 jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * http://api.jqueryui.com/autocomplete/
   *
   * Depends:
   *	jquery.ui.core.js
   *	jquery.ui.widget.js
   *	jquery.ui.position.js
   *	jquery.ui.menu.js
   */
  (function( $, undefined ) {
  
  // used to prevent race conditions with remote data sources
  var requestIndex = 0;
  
  $.widget( "ui.autocomplete", {
  	version: "@VERSION",
  	defaultElement: "<input>",
  	options: {
  		appendTo: "body",
  		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
  	},
  
  	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;
  
  		this.isMultiLine = this._isMultiLine();
  		this.valueMethod = this.element[ this.element.is( "input,textarea" ) ? "val" : "text" ];
  		this.isNewMenu = true;
  
  		this.element
  			.addClass( "ui-autocomplete-input" )
  			.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:
  				case keyCode.NUMPAD_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" ) ) {
  						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;
  					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>" )
  			.addClass( "ui-autocomplete" )
  			.appendTo( this.document.find( this.options.appendTo || "body" )[ 0 ] )
  			.menu({
  				// custom key handling for now
  				input: $(),
  				// disable ARIA support, the live region takes care of that
  				role: null
  			})
  			.zIndex( this.element.zIndex() + 1 )
  			.hide()
  			.data( "menu" );
  
  		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;
  				});
  
  				// clicking on the scrollbar causes focus to shift to the body
  				// but we can't detect a mouseup or a click immediately afterward
  				// so we have to track the next mousedown and close the menu if
  				// the user clicks somewhere outside of the autocomplete
  				var menuElement = this.menu.element[ 0 ];
  				if ( !$( event.target ).closest( ".ui-menu-item" ).length ) {
  					this._delay(function() {
  						var that = this;
  						this.document.one( "mousedown", function( event ) {
  							if ( event.target !== that.element[ 0 ] &&
  									event.target !== menuElement &&
  									!$.contains( menuElement, event.target ) ) {
  								that.close();
  							}
  						});
  					});
  				}
  			},
  			menufocus: function( event, ui ) {
  				// #7024 - Prevent accidental activation of menu item in Firefox
  				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;
  					}
  				}
  
  				// back compat for _renderItem using item.autocomplete, via #7810
  				// TODO remove the fallback, see #8156
  				var item = ui.item.data( "ui-autocomplete-item" ) || ui.item.data( "item.autocomplete" );
  				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 );
  					}
  				} else {
  					// Normally the input is populated with the item's value as the
  					// menu is navigated, causing screen readers to notice a change and
  					// announce the item. Since the focus event was canceled, this doesn't
  					// happen, so we update the live region so that screen readers can
  					// still notice the change and announce it.
  					this.liveRegion.text( item.value );
  				}
  			},
  			menuselect: function( event, ui ) {
  				// back compat for _renderItem using item.autocomplete, via #7810
  				// TODO remove the fallback, see #8156
  				var item = ui.item.data( "ui-autocomplete-item" ) || ui.item.data( "item.autocomplete" ),
  					previous = this.previous;
  
  				// only trigger when focus was lost (click on menu)
  				if ( this.element[0] !== this.document[0].activeElement ) {
  					this.element.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 = $( "<span>", {
  				role: "status",
  				"aria-live": "polite"
  			})
  			.addClass( "ui-helper-hidden-accessible" )
  			.insertAfter( this.element );
  
  		if ( $.fn.bgiframe ) {
  			this.menu.element.bgiframe();
  		}
  
  		// 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
  			.removeClass( "ui-autocomplete-input" )
  			.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.document.find( value || "body" )[0] );
  		}
  		if ( key === "disabled" && value && this.xhr ) {
  			this.xhr.abort();
  		}
  	},
  
  	_isMultiLine: function() {
  		// Textareas are always multi-line
  		if ( this.element.is( "textarea" ) ) {
  			return true;
  		}
  		// Inputs are always single-line, even if inside a contentEditable element
  		// IE also treats inputs as contentEditable
  		if ( this.element.is( "input" ) ) {
  			return false;
  		}
  		// All other element types are determined by whether or not they're contentEditable
  		return this.element.prop( "isContentEditable" );
  	},
  
  	_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() {
  			// only search if the value has changed
  			if ( this.term !== this._value() ) {
  				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.element.addClass( "ui-autocomplete-loading" );
  		this.cancelSearch = false;
  
  		this.source( { term: value }, this._response() );
  	},
  
  	_response: function() {
  		var that = this,
  			index = ++requestIndex;
  
  		return function( content ) {
  			if ( index === requestIndex ) {
  				that.__response( content );
  			}
  
  			that.pending--;
  			if ( !that.pending ) {
  				that.element.removeClass( "ui-autocomplete-loading" );
  			}
  		};
  	},
  
  	__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 ) {
  		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 item 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({
  				label: item.label || item.value,
  				value: item.value || item.label
  			}, item );
  		});
  	},
  
  	_suggest: function( items ) {
  		var ul = this.menu.element
  			.empty()
  			.zIndex( this.element.zIndex() + 1 );
  		this._renderMenu( ul, items );
  		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();
  		}
  	},
  
  	_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( $( "<a>" ).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 ) ) {
  			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();
  		}
  	}
  });
  
  $.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.text( message );
  	}
  });
  
  
  }( jQuery ));
  