text: /*!
   * jQuery UI 1.8.17
   *
   * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
   * Dual licensed under the MIT or GPL Version 2 licenses.
   * http://jquery.org/license
   *
   * http://docs.jquery.com/UI
   */
  (function( $, undefined ) {
  
  // prevent duplicate loading
  // this is only a problem because we proxy existing functions
  // and we don't want to double proxy them
  $.ui = $.ui || {};
  if ( $.ui.version ) {
  	return;
  }
  
  $.extend( $.ui, {
  	version: "1.8.17",
  
  	keyCode: {
  		ALT: 18,
  		BACKSPACE: 8,
  		CAPS_LOCK: 20,
  		COMMA: 188,
  		COMMAND: 91,
  		COMMAND_LEFT: 91, // COMMAND
  		COMMAND_RIGHT: 93,
  		CONTROL: 17,
  		DELETE: 46,
  		DOWN: 40,
  		END: 35,
  		ENTER: 13,
  		ESCAPE: 27,
  		HOME: 36,
  		INSERT: 45,
  		LEFT: 37,
  		MENU: 93, // COMMAND_RIGHT
  		NUMPAD_ADD: 107,
  		NUMPAD_DECIMAL: 110,
  		NUMPAD_DIVIDE: 111,
  		NUMPAD_ENTER: 108,
  		NUMPAD_MULTIPLY: 106,
  		NUMPAD_SUBTRACT: 109,
  		PAGE_DOWN: 34,
  		PAGE_UP: 33,
  		PERIOD: 190,
  		RIGHT: 39,
  		SHIFT: 16,
  		SPACE: 32,
  		TAB: 9,
  		UP: 38,
  		WINDOWS: 91 // COMMAND
  	}
  });
  
  // plugins
  $.fn.extend({
  	propAttr: $.fn.prop || $.fn.attr,
  
  	_focus: $.fn.focus,
  	focus: function( delay, fn ) {
  		return typeof delay === "number" ?
  			this.each(function() {
  				var elem = this;
  				setTimeout(function() {
  					$( elem ).focus();
  					if ( fn ) {
  						fn.call( elem );
  					}
  				}, delay );
  			}) :
  			this._focus.apply( this, arguments );
  	},
  
  	scrollParent: function() {
  		var scrollParent;
  		if (($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
  			scrollParent = this.parents().filter(function() {
  				return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
  			}).eq(0);
  		} else {
  			scrollParent = this.parents().filter(function() {
  				return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
  			}).eq(0);
  		}
  
  		return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;
  	},
  
  	zIndex: function( zIndex ) {
  		if ( zIndex !== undefined ) {
  			return this.css( "zIndex", zIndex );
  		}
  
  		if ( this.length ) {
  			var elem = $( this[ 0 ] ), position, value;
  			while ( elem.length && elem[ 0 ] !== document ) {
  				// Ignore z-index if position is set to a value where z-index is ignored by the browser
  				// This makes behavior of this function consistent across browsers
  				// WebKit always returns auto if the element is positioned
  				position = elem.css( "position" );
  				if ( position === "absolute" || position === "relative" || position === "fixed" ) {
  					// IE returns 0 when zIndex is not specified
  					// other browsers return a string
  					// we ignore the case of nested elements with an explicit value of 0
  					// <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
  					value = parseInt( elem.css( "zIndex" ), 10 );
  					if ( !isNaN( value ) && value !== 0 ) {
  						return value;
  					}
  				}
  				elem = elem.parent();
  			}
  		}
  
  		return 0;
  	},
  
  	disableSelection: function() {
  		return this.bind( ( $.support.selectstart ? "selectstart" : "mousedown" ) +
  			".ui-disableSelection", function( event ) {
  				event.preventDefault();
  			});
  	},
  
  	enableSelection: function() {
  		return this.unbind( ".ui-disableSelection" );
  	}
  });
  
  $.each( [ "Width", "Height" ], function( i, name ) {
  	var side = name === "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ],
  		type = name.toLowerCase(),
  		orig = {
  			innerWidth: $.fn.innerWidth,
  			innerHeight: $.fn.innerHeight,
  			outerWidth: $.fn.outerWidth,
  			outerHeight: $.fn.outerHeight
  		};
  
  	function reduce( elem, size, border, margin ) {
  		$.each( side, function() {
  			size -= parseFloat( $.curCSS( elem, "padding" + this, true) ) || 0;
  			if ( border ) {
  				size -= parseFloat( $.curCSS( elem, "border" + this + "Width", true) ) || 0;
  			}
  			if ( margin ) {
  				size -= parseFloat( $.curCSS( elem, "margin" + this, true) ) || 0;
  			}
  		});
  		return size;
  	}
  
  	$.fn[ "inner" + name ] = function( size ) {
  		if ( size === undefined ) {
  			return orig[ "inner" + name ].call( this );
  		}
  
  		return this.each(function() {
  			$( this ).css( type, reduce( this, size ) + "px" );
  		});
  	};
  
  	$.fn[ "outer" + name] = function( size, margin ) {
  		if ( typeof size !== "number" ) {
  			return orig[ "outer" + name ].call( this, size );
  		}
  
  		return this.each(function() {
  			$( this).css( type, reduce( this, size, true, margin ) + "px" );
  		});
  	};
  });
  
  // selectors
  function focusable( element, isTabIndexNotNaN ) {
  	var nodeName = element.nodeName.toLowerCase();
  	if ( "area" === nodeName ) {
  		var map = element.parentNode,
  			mapName = map.name,
  			img;
  		if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
  			return false;
  		}
  		img = $( "img[usemap=#" + mapName + "]" )[0];
  		return !!img && visible( img );
  	}
  	return ( /input|select|textarea|button|object/.test( nodeName )
  		? !element.disabled
  		: "a" == nodeName
  			? element.href || isTabIndexNotNaN
  			: isTabIndexNotNaN)
  		// the element and all of its ancestors must be visible
  		&& visible( element );
  }
  
  function visible( element ) {
  	return !$( element ).parents().andSelf().filter(function() {
  		return $.curCSS( this, "visibility" ) === "hidden" ||
  			$.expr.filters.hidden( this );
  	}).length;
  }
  
  $.extend( $.expr[ ":" ], {
  	data: function( elem, i, match ) {
  		return !!$.data( elem, match[ 3 ] );
  	},
  
  	focusable: function( element ) {
  		return focusable( element, !isNaN( $.attr( element, "tabindex" ) ) );
  	},
  
  	tabbable: function( element ) {
  		var tabIndex = $.attr( element, "tabindex" ),
  			isTabIndexNaN = isNaN( tabIndex );
  		return ( isTabIndexNaN || tabIndex >= 0 ) && focusable( element, !isTabIndexNaN );
  	}
  });
  
  // support
  $(function() {
  	var body = document.body,
  		div = body.appendChild( div = document.createElement( "div" ) );
  
  	$.extend( div.style, {
  		minHeight: "100px",
  		height: "auto",
  		padding: 0,
  		borderWidth: 0
  	});
  
  	$.support.minHeight = div.offsetHeight === 100;
  	$.support.selectstart = "onselectstart" in div;
  
  	// set display to none to avoid a layout bug in IE
  	// http://dev.jquery.com/ticket/4014
  	body.removeChild( div ).style.display = "none";
  });
  
  
  
  
  
  // deprecated
  $.extend( $.ui, {
  	// $.ui.plugin is deprecated.  Use the proxy pattern instead.
  	plugin: {
  		add: function( module, option, set ) {
  			var proto = $.ui[ module ].prototype;
  			for ( var i in set ) {
  				proto.plugins[ i ] = proto.plugins[ i ] || [];
  				proto.plugins[ i ].push( [ option, set[ i ] ] );
  			}
  		},
  		call: function( instance, name, args ) {
  			var set = instance.plugins[ name ];
  			if ( !set || !instance.element[ 0 ].parentNode ) {
  				return;
  			}
  	
  			for ( var i = 0; i < set.length; i++ ) {
  				if ( instance.options[ set[ i ][ 0 ] ] ) {
  					set[ i ][ 1 ].apply( instance.element, args );
  				}
  			}
  		}
  	},
  	
  	// will be deprecated when we switch to jQuery 1.4 - use jQuery.contains()
  	contains: function( a, b ) {
  		return document.compareDocumentPosition ?
  			a.compareDocumentPosition( b ) & 16 :
  			a !== b && a.contains( b );
  	},
  	
  	// only used by resizable
  	hasScroll: function( el, a ) {
  	
  		//If overflow is hidden, the element might have extra content, but the user wants to hide it
  		if ( $( el ).css( "overflow" ) === "hidden") {
  			return false;
  		}
  	
  		var scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop",
  			has = false;
  	
  		if ( el[ scroll ] > 0 ) {
  			return true;
  		}
  	
  		// TODO: determine which cases actually cause this to happen
  		// if the element doesn't have the scroll set, see if it's possible to
  		// set the scroll
  		el[ scroll ] = 1;
  		has = ( el[ scroll ] > 0 );
  		el[ scroll ] = 0;
  		return has;
  	},
  	
  	// these are odd functions, fix the API or move into individual plugins
  	isOverAxis: function( x, reference, size ) {
  		//Determines when x coordinate is over "b" element axis
  		return ( x > reference ) && ( x < ( reference + size ) );
  	},
  	isOver: function( y, x, top, left, height, width ) {
  		//Determines when x, y coordinates is over "b" element
  		return $.ui.isOverAxis( y, top, height ) && $.ui.isOverAxis( x, left, width );
  	}
  });
  
  })( jQuery );
  /*!
   * jQuery UI Widget 1.8.17
   *
   * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
   * Dual licensed under the MIT or GPL Version 2 licenses.
   * http://jquery.org/license
   *
   * http://docs.jquery.com/UI/Widget
   */
  (function( $, undefined ) {
  
  // jQuery 1.4+
  if ( $.cleanData ) {
  	var _cleanData = $.cleanData;
  	$.cleanData = function( elems ) {
  		for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
  			try {
  				$( elem ).triggerHandler( "remove" );
  			// http://bugs.jquery.com/ticket/8235
  			} catch( e ) {}
  		}
  		_cleanData( elems );
  	};
  } else {
  	var _remove = $.fn.remove;
  	$.fn.remove = function( selector, keepData ) {
  		return this.each(function() {
  			if ( !keepData ) {
  				if ( !selector || $.filter( selector, [ this ] ).length ) {
  					$( "*", this ).add( [ this ] ).each(function() {
  						try {
  							$( this ).triggerHandler( "remove" );
  						// http://bugs.jquery.com/ticket/8235
  						} catch( e ) {}
  					});
  				}
  			}
  			return _remove.call( $(this), selector, keepData );
  		});
  	};
  }
  
  $.widget = function( name, base, prototype ) {
  	var namespace = name.split( "." )[ 0 ],
  		fullName;
  	name = name.split( "." )[ 1 ];
  	fullName = namespace + "-" + name;
  
  	if ( !prototype ) {
  		prototype = base;
  		base = $.Widget;
  	}
  
  	// create selector for plugin
  	$.expr[ ":" ][ fullName ] = function( elem ) {
  		return !!$.data( elem, name );
  	};
  
  	$[ namespace ] = $[ namespace ] || {};
  	$[ namespace ][ name ] = function( options, element ) {
  		// allow instantiation without initializing for simple inheritance
  		if ( arguments.length ) {
  			this._createWidget( options, element );
  		}
  	};
  
  	var 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
  //	$.each( basePrototype, function( key, val ) {
  //		if ( $.isPlainObject(val) ) {
  //			basePrototype[ key ] = $.extend( {}, val );
  //		}
  //	});
  	basePrototype.options = $.extend( true, {}, basePrototype.options );
  	$[ namespace ][ name ].prototype = $.extend( true, basePrototype, {
  		namespace: namespace,
  		widgetName: name,
  		widgetEventPrefix: $[ namespace ][ name ].prototype.widgetEventPrefix || name,
  		widgetBaseClass: fullName
  	}, prototype );
  
  	$.widget.bridge( name, $[ namespace ][ name ] );
  };
  
  $.widget.bridge = function( name, object ) {
  	$.fn[ name ] = function( options ) {
  		var isMethodCall = typeof options === "string",
  			args = Array.prototype.slice.call( arguments, 1 ),
  			returnValue = this;
  
  		// allow multiple hashes to be passed on init
  		options = !isMethodCall && args.length ?
  			$.extend.apply( null, [ true, options ].concat(args) ) :
  			options;
  
  		// prevent calls to internal methods
  		if ( isMethodCall && options.charAt( 0 ) === "_" ) {
  			return returnValue;
  		}
  
  		if ( isMethodCall ) {
  			this.each(function() {
  				var instance = $.data( this, name ),
  					methodValue = instance && $.isFunction( instance[options] ) ?
  						instance[ options ].apply( instance, args ) :
  						instance;
  				// TODO: add this back in 1.9 and use $.error() (see #5972)
  //				if ( !instance ) {
  //					throw "cannot call methods on " + name + " prior to initialization; " +
  //						"attempted to call method '" + options + "'";
  //				}
  //				if ( !$.isFunction( instance[options] ) ) {
  //					throw "no such method '" + options + "' for " + name + " widget instance";
  //				}
  //				var methodValue = instance[ options ].apply( instance, args );
  				if ( methodValue !== instance && methodValue !== undefined ) {
  					returnValue = methodValue;
  					return false;
  				}
  			});
  		} else {
  			this.each(function() {
  				var instance = $.data( this, name );
  				if ( instance ) {
  					instance.option( options || {} )._init();
  				} else {
  					$.data( this, name, new object( options, this ) );
  				}
  			});
  		}
  
  		return returnValue;
  	};
  };
  
  $.Widget = function( options, element ) {
  	// allow instantiation without initializing for simple inheritance
  	if ( arguments.length ) {
  		this._createWidget( options, element );
  	}
  };
  
  $.Widget.prototype = {
  	widgetName: "widget",
  	widgetEventPrefix: "",
  	options: {
  		disabled: false
  	},
  	_createWidget: function( options, element ) {
  		// $.widget.bridge stores the plugin instance, but we do it anyway
  		// so that it's stored even before the _create function runs
  		$.data( element, this.widgetName, this );
  		this.element = $( element );
  		this.options = $.extend( true, {},
  			this.options,
  			this._getCreateOptions(),
  			options );
  
  		var self = this;
  		this.element.bind( "remove." + this.widgetName, function() {
  			self.destroy();
  		});
  
  		this._create();
  		this._trigger( "create" );
  		this._init();
  	},
  	_getCreateOptions: function() {
  		return $.metadata && $.metadata.get( this.element[0] )[ this.widgetName ];
  	},
  	_create: function() {},
  	_init: function() {},
  
  	destroy: function() {
  		this.element
  			.unbind( "." + this.widgetName )
  			.removeData( this.widgetName );
  		this.widget()
  			.unbind( "." + this.widgetName )
  			.removeAttr( "aria-disabled" )
  			.removeClass(
  				this.widgetBaseClass + "-disabled " +
  				"ui-state-disabled" );
  	},
  
  	widget: function() {
  		return this.element;
  	},
  
  	option: function( key, value ) {
  		var options = key;
  
  		if ( arguments.length === 0 ) {
  			// don't return a reference to the internal hash
  			return $.extend( {}, this.options );
  		}
  
  		if  (typeof key === "string" ) {
  			if ( value === undefined ) {
  				return this.options[ key ];
  			}
  			options = {};
  			options[ key ] = value;
  		}
  
  		this._setOptions( options );
  
  		return this;
  	},
  	_setOptions: function( options ) {
  		var self = this;
  		$.each( options, function( key, value ) {
  			self._setOption( key, value );
  		});
  
  		return this;
  	},
  	_setOption: function( key, value ) {
  		this.options[ key ] = value;
  
  		if ( key === "disabled" ) {
  			this.widget()
  				[ value ? "addClass" : "removeClass"](
  					this.widgetBaseClass + "-disabled" + " " +
  					"ui-state-disabled" )
  				.attr( "aria-disabled", value );
  		}
  
  		return this;
  	},
  
  	enable: function() {
  		return this._setOption( "disabled", false );
  	},
  	disable: function() {
  		return this._setOption( "disabled", true );
  	},
  
  	_trigger: function( type, event, data ) {
  		var prop, orig,
  			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.call( this.element[0], event, data ) === false ||
  			event.isDefaultPrevented() );
  	}
  };
  
  })( jQuery );
  /*
   * jQuery UI Position 1.8.17
   *
   * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
   * Dual licensed under the MIT or GPL Version 2 licenses.
   * http://jquery.org/license
   *
   * http://docs.jquery.com/UI/Position
   */
  (function( $, undefined ) {
  
  $.ui = $.ui || {};
  
  var horizontalPositions = /left|center|right/,
  	verticalPositions = /top|center|bottom/,
  	center = "center",
  	support = {},
  	_position = $.fn.position,
  	_offset = $.fn.offset;
  
  $.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 target = $( options.of ),
  		targetElem = target[0],
  		collision = ( options.collision || "flip" ).split( " " ),
  		offset = options.offset ? options.offset.split( " " ) : [ 0, 0 ],
  		targetWidth,
  		targetHeight,
  		basePosition;
  
  	if ( targetElem.nodeType === 9 ) {
  		targetWidth = target.width();
  		targetHeight = target.height();
  		basePosition = { top: 0, left: 0 };
  	// TODO: use $.isWindow() in 1.9
  	} else if ( targetElem.setTimeout ) {
  		targetWidth = target.width();
  		targetHeight = target.height();
  		basePosition = { top: target.scrollTop(), left: target.scrollLeft() };
  	} else if ( targetElem.preventDefault ) {
  		// force left top to allow flipping
  		options.at = "left top";
  		targetWidth = targetHeight = 0;
  		basePosition = { top: options.of.pageY, left: options.of.pageX };
  	} else {
  		targetWidth = target.outerWidth();
  		targetHeight = target.outerHeight();
  		basePosition = target.offset();
  	}
  
  	// force my and at to have valid horizontal and veritcal positions
  	// if a value is missing or invalid, it will be converted to center 
  	$.each( [ "my", "at" ], function() {
  		var pos = ( options[this] || "" ).split( " " );
  		if ( pos.length === 1) {
  			pos = horizontalPositions.test( pos[0] ) ?
  				pos.concat( [center] ) :
  				verticalPositions.test( pos[0] ) ?
  					[ center ].concat( pos ) :
  					[ center, center ];
  		}
  		pos[ 0 ] = horizontalPositions.test( pos[0] ) ? pos[ 0 ] : center;
  		pos[ 1 ] = verticalPositions.test( pos[1] ) ? pos[ 1 ] : center;
  		options[ this ] = pos;
  	});
  
  	// normalize collision option
  	if ( collision.length === 1 ) {
  		collision[ 1 ] = collision[ 0 ];
  	}
  
  	// normalize offset option
  	offset[ 0 ] = parseInt( offset[0], 10 ) || 0;
  	if ( offset.length === 1 ) {
  		offset[ 1 ] = offset[ 0 ];
  	}
  	offset[ 1 ] = parseInt( offset[1], 10 ) || 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;
  	}
  
  	basePosition.left += offset[ 0 ];
  	basePosition.top += offset[ 1 ];
  
  	return this.each(function() {
  		var elem = $( this ),
  			elemWidth = elem.outerWidth(),
  			elemHeight = elem.outerHeight(),
  			marginLeft = parseInt( $.curCSS( this, "marginLeft", true ) ) || 0,
  			marginTop = parseInt( $.curCSS( this, "marginTop", true ) ) || 0,
  			collisionWidth = elemWidth + marginLeft +
  				( parseInt( $.curCSS( this, "marginRight", true ) ) || 0 ),
  			collisionHeight = elemHeight + marginTop +
  				( parseInt( $.curCSS( this, "marginBottom", true ) ) || 0 ),
  			position = $.extend( {}, basePosition ),
  			collisionPosition;
  
  		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;
  		}
  
  		// prevent fractions if jQuery version doesn't support them (see #5280)
  		if ( !support.fractions ) {
  			position.left = Math.round( position.left );
  			position.top = Math.round( position.top );
  		}
  
  		collisionPosition = {
  			left: position.left - marginLeft,
  			top: position.top - 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: offset,
  					my: options.my,
  					at: options.at
  				});
  			}
  		});
  
  		if ( $.fn.bgiframe ) {
  			elem.bgiframe();
  		}
  		elem.offset( $.extend( position, { using: options.using } ) );
  	});
  };
  
  $.ui.position = {
  	fit: {
  		left: function( position, data ) {
  			var win = $( window ),
  				over = data.collisionPosition.left + data.collisionWidth - win.width() - win.scrollLeft();
  			position.left = over > 0 ? position.left - over : Math.max( position.left - data.collisionPosition.left, position.left );
  		},
  		top: function( position, data ) {
  			var win = $( window ),
  				over = data.collisionPosition.top + data.collisionHeight - win.height() - win.scrollTop();
  			position.top = over > 0 ? position.top - over : Math.max( position.top - data.collisionPosition.top, position.top );
  		}
  	},
  
  	flip: {
  		left: function( position, data ) {
  			if ( data.at[0] === center ) {
  				return;
  			}
  			var win = $( window ),
  				over = data.collisionPosition.left + data.collisionWidth - win.width() - win.scrollLeft(),
  				myOffset = data.my[ 0 ] === "left" ?
  					-data.elemWidth :
  					data.my[ 0 ] === "right" ?
  						data.elemWidth :
  						0,
  				atOffset = data.at[ 0 ] === "left" ?
  					data.targetWidth :
  					-data.targetWidth,
  				offset = -2 * data.offset[ 0 ];
  			position.left += data.collisionPosition.left < 0 ?
  				myOffset + atOffset + offset :
  				over > 0 ?
  					myOffset + atOffset + offset :
  					0;
  		},
  		top: function( position, data ) {
  			if ( data.at[1] === center ) {
  				return;
  			}
  			var win = $( window ),
  				over = data.collisionPosition.top + data.collisionHeight - win.height() - win.scrollTop(),
  				myOffset = data.my[ 1 ] === "top" ?
  					-data.elemHeight :
  					data.my[ 1 ] === "bottom" ?
  						data.elemHeight :
  						0,
  				atOffset = data.at[ 1 ] === "top" ?
  					data.targetHeight :
  					-data.targetHeight,
  				offset = -2 * data.offset[ 1 ];
  			position.top += data.collisionPosition.top < 0 ?
  				myOffset + atOffset + offset :
  				over > 0 ?
  					myOffset + atOffset + offset :
  					0;
  		}
  	}
  };
  
  // offset setter from jQuery 1.4
  if ( !$.offset.setOffset ) {
  	$.offset.setOffset = function( elem, options ) {
  		// set position first, in-case top/left are set even on static elem
  		if ( /static/.test( $.curCSS( elem, "position" ) ) ) {
  			elem.style.position = "relative";
  		}
  		var curElem   = $( elem ),
  			curOffset = curElem.offset(),
  			curTop    = parseInt( $.curCSS( elem, "top",  true ), 10 ) || 0,
  			curLeft   = parseInt( $.curCSS( elem, "left", true ), 10)  || 0,
  			props     = {
  				top:  (options.top  - curOffset.top)  + curTop,
  				left: (options.left - curOffset.left) + curLeft
  			};
  		
  		if ( 'using' in options ) {
  			options.using.call( elem, props );
  		} else {
  			curElem.css( props );
  		}
  	};
  
  	$.fn.offset = function( options ) {
  		var elem = this[ 0 ];
  		if ( !elem || !elem.ownerDocument ) { return null; }
  		if ( options ) { 
  			return this.each(function() {
  				$.offset.setOffset( this, options );
  			});
  		}
  		return _offset.call( this );
  	};
  }
  
  // fraction support test (older versions of jQuery don't support fractions)
  (function () {
  	var body = document.getElementsByTagName( "body" )[ 0 ], 
  		div = document.createElement( "div" ),
  		testElement, testElementParent, testElementStyle, offset, offsetTotal;
  
  	//Create a "fake body" for testing based on method used in jQuery.support
  	testElement = document.createElement( body ? "div" : "body" );
  	testElementStyle = {
  		visibility: "hidden",
  		width: 0,
  		height: 0,
  		border: 0,
  		margin: 0,
  		background: "none"
  	};
  	if ( body ) {
  		jQuery.extend( testElementStyle, {
  			position: "absolute",
  			left: "-1000px",
  			top: "-1000px"
  		});
  	}
  	for ( var i in testElementStyle ) {
  		testElement.style[ i ] = testElementStyle[ i ];
  	}
  	testElement.appendChild( div );
  	testElementParent = body || document.documentElement;
  	testElementParent.insertBefore( testElement, testElementParent.firstChild );
  
  	div.style.cssText = "position: absolute; left: 10.7432222px; top: 10.432325px; height: 30px; width: 201px;";
  
  	offset = $( div ).offset( function( _, offset ) {
  		return offset;
  	}).offset();
  
  	testElement.innerHTML = "";
  	testElementParent.removeChild( testElement );
  
  	offsetTotal = offset.top + offset.left + ( body ? 2000 : 0 );
  	support.fractions = offsetTotal > 21 && offsetTotal < 22;
  })();
  
  }( jQuery ));
  /*
   * jQuery UI Autocomplete 1.8.17
   *
   * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
   * Dual licensed under the MIT or GPL Version 2 licenses.
   * http://jquery.org/license
   *
   * http://docs.jquery.com/UI/Autocomplete
   *
   * Depends:
   *	jquery.ui.core.js
   *	jquery.ui.widget.js
   *	jquery.ui.position.js
   */
  (function( $, undefined ) {
  
  // used to prevent race conditions with remote data sources
  var requestIndex = 0;
  
  $.widget( "ui.autocomplete", {
  	options: {
  		appendTo: "body",
  		autoFocus: false,
  		delay: 300,
  		minLength: 1,
  		position: {
  			my: "left top",
  			at: "left bottom",
  			collision: "none"
  		},
  		source: null
  	},
  
  	pending: 0,
  
  	_create: function() {
  		var self = this,
  			doc = this.element[ 0 ].ownerDocument,
  			suppressKeyPress;
  
  		this.element
  			.addClass( "ui-autocomplete-input" )
  			.attr( "autocomplete", "off" )
  			// TODO verify these actually work as intended
  			.attr({
  				role: "textbox",
  				"aria-autocomplete": "list",
  				"aria-haspopup": "true"
  			})
  			.bind( "keydown.autocomplete", function( event ) {
  				if ( self.options.disabled || self.element.propAttr( "readOnly" ) ) {
  					return;
  				}
  
  				suppressKeyPress = false;
  				var keyCode = $.ui.keyCode;
  				switch( event.keyCode ) {
  				case keyCode.PAGE_UP:
  					self._move( "previousPage", event );
  					break;
  				case keyCode.PAGE_DOWN:
  					self._move( "nextPage", event );
  					break;
  				case keyCode.UP:
  					self._move( "previous", event );
  					// prevent moving cursor to beginning of text field in some browsers
  					event.preventDefault();
  					break;
  				case keyCode.DOWN:
  					self._move( "next", event );
  					// prevent moving cursor to end of text field in some browsers
  					event.preventDefault();
  					break;
  				case keyCode.ENTER:
  				case keyCode.NUMPAD_ENTER:
  					// when menu is open and has focus
  					if ( self.menu.active ) {
  						// #6055 - Opera still allows the keypress to occur
  						// which causes forms to submit
  						suppressKeyPress = true;
  						event.preventDefault();
  					}
  					//passthrough - ENTER and TAB both select the current element
  				case keyCode.TAB:
  					if ( !self.menu.active ) {
  						return;
  					}
  					self.menu.select( event );
  					break;
  				case keyCode.ESCAPE:
  					self.element.val( self.term );
  					self.close( event );
  					break;
  				default:
  					// keypress is triggered before the input value is changed
  					clearTimeout( self.searching );
  					self.searching = setTimeout(function() {
  						// only search if the value has changed
  						if ( self.term != self.element.val() ) {
  							self.selectedItem = null;
  							self.search( null, event );
  						}
  					}, self.options.delay );
  					break;
  				}
  			})
  			.bind( "keypress.autocomplete", function( event ) {
  				if ( suppressKeyPress ) {
  					suppressKeyPress = false;
  					event.preventDefault();
  				}
  			})
  			.bind( "focus.autocomplete", function() {
  				if ( self.options.disabled ) {
  					return;
  				}
  
  				self.selectedItem = null;
  				self.previous = self.element.val();
  			})
  			.bind( "blur.autocomplete", function( event ) {
  				if ( self.options.disabled ) {
  					return;
  				}
  
  				clearTimeout( self.searching );
  				// clicks on the menu (or a button to trigger a search) will cause a blur event
  				self.closing = setTimeout(function() {
  					self.close( event );
  					self._change( event );
  				}, 150 );
  			});
  		this._initSource();
  		this.response = function() {
  			return self._response.apply( self, arguments );
  		};
  		this.menu = $( "<ul></ul>" )
  			.addClass( "ui-autocomplete" )
  			.appendTo( $( this.options.appendTo || "body", doc )[0] )
  			// prevent the close-on-blur in case of a "slow" click on the menu (long mousedown)
  			.mousedown(function( event ) {
  				// clicking on the scrollbar causes focus to shift to the body
  				// but we can't detect a mouseup or a click immediately afterward
  				// so we have to track the next mousedown and close the menu if
  				// the user clicks somewhere outside of the autocomplete
  				var menuElement = self.menu.element[ 0 ];
  				if ( !$( event.target ).closest( ".ui-menu-item" ).length ) {
  					setTimeout(function() {
  						$( document ).one( 'mousedown', function( event ) {
  							if ( event.target !== self.element[ 0 ] &&
  								event.target !== menuElement &&
  								!$.ui.contains( menuElement, event.target ) ) {
  								self.close();
  							}
  						});
  					}, 1 );
  				}
  
  				// use another timeout to make sure the blur-event-handler on the input was already triggered
  				setTimeout(function() {
  					clearTimeout( self.closing );
  				}, 13);
  			})
  			.menu({
  				focus: function( event, ui ) {
  					var item = ui.item.data( "item.autocomplete" );
  					if ( false !== self._trigger( "focus", event, { item: item } ) ) {
  						// use value to match what will end up in the input, if it was a key event
  						if ( /^key/.test(event.originalEvent.type) ) {
  							self.element.val( item.value );
  						}
  					}
  				},
  				selected: function( event, ui ) {
  					var item = ui.item.data( "item.autocomplete" ),
  						previous = self.previous;
  
  					// only trigger when focus was lost (click on menu)
  					if ( self.element[0] !== doc.activeElement ) {
  						self.element.focus();
  						self.previous = previous;
  						// #6109 - IE triggers two focus events and the second
  						// is asynchronous, so we need to reset the previous
  						// term synchronously and asynchronously :-(
  						setTimeout(function() {
  							self.previous = previous;
  							self.selectedItem = item;
  						}, 1);
  					}
  
  					if ( false !== self._trigger( "select", event, { item: item } ) ) {
  						self.element.val( item.value );
  					}
  					// reset the term after the select event
  					// this allows custom select handling to work properly
  					self.term = self.element.val();
  
  					self.close( event );
  					self.selectedItem = item;
  				},
  				blur: function( event, ui ) {
  					// don't set the value of the text field if it's already correct
  					// this prevents moving the cursor unnecessarily
  					if ( self.menu.element.is(":visible") &&
  						( self.element.val() !== self.term ) ) {
  						self.element.val( self.term );
  					}
  				}
  			})
  			.zIndex( this.element.zIndex() + 1 )
  			// workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
  			.css({ top: 0, left: 0 })
  			.hide()
  			.data( "menu" );
  		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
  		self.beforeunloadHandler = function() {
  			self.element.removeAttr( "autocomplete" );
  		};
  		$( window ).bind( "beforeunload", self.beforeunloadHandler );
  	},
  
  	destroy: function() {
  		this.element
  			.removeClass( "ui-autocomplete-input" )
  			.removeAttr( "autocomplete" )
  			.removeAttr( "role" )
  			.removeAttr( "aria-autocomplete" )
  			.removeAttr( "aria-haspopup" );
  		this.menu.element.remove();
  		$( window ).unbind( "beforeunload", this.beforeunloadHandler );
  		$.Widget.prototype.destroy.call( this );
  	},
  
  	_setOption: function( key, value ) {
  		$.Widget.prototype._setOption.apply( this, arguments );
  		if ( key === "source" ) {
  			this._initSource();
  		}
  		if ( key === "appendTo" ) {
  			this.menu.element.appendTo( $( value || "body", this.element[0].ownerDocument )[0] )
  		}
  		if ( key === "disabled" && value && this.xhr ) {
  			this.xhr.abort();
  		}
  	},
  
  	_initSource: function() {
  		var self = this,
  			array,
  			url;
  		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 ( self.xhr ) {
  					self.xhr.abort();
  				}
  				self.xhr = $.ajax({
  					url: url,
  					data: request,
  					dataType: "json",
  					autocompleteRequest: ++requestIndex,
  					success: function( data, status ) {
  						if ( this.autocompleteRequest === requestIndex ) {
  							response( data );
  						}
  					},
  					error: function() {
  						if ( this.autocompleteRequest === requestIndex ) {
  							response( [] );
  						}
  					}
  				});
  			};
  		} else {
  			this.source = this.options.source;
  		}
  	},
  
  	search: function( value, event ) {
  		value = value != null ? value : this.element.val();
  
  		// always save the actual value, not the one passed as an argument
  		this.term = this.element.val();
  
  		if ( value.length < this.options.minLength ) {
  			return this.close( event );
  		}
  
  		clearTimeout( this.closing );
  		if ( this._trigger( "search", event ) === false ) {
  			return;
  		}
  
  		return this._search( value );
  	},
  
  	_search: function( value ) {
  		this.pending++;
  		this.element.addClass( "ui-autocomplete-loading" );
  
  		this.source( { term: value }, this.response );
  	},
  
  	_response: function( content ) {
  		if ( !this.options.disabled && content && content.length ) {
  			content = this._normalize( content );
  			this._suggest( content );
  			this._trigger( "open" );
  		} else {
  			this.close();
  		}
  		this.pending--;
  		if ( !this.pending ) {
  			this.element.removeClass( "ui-autocomplete-loading" );
  		}
  	},
  
  	close: function( event ) {
  		clearTimeout( this.closing );
  		if ( this.menu.element.is(":visible") ) {
  			this.menu.element.hide();
  			this.menu.deactivate();
  			this._trigger( "close", event );
  		}
  	},
  	
  	_change: function( event ) {
  		if ( this.previous !== this.element.val() ) {
  			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({
  				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 );
  		// TODO refresh should check if the active item is still in the dom, removing the need for a manual deactivate
  		this.menu.deactivate();
  		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( new $.Event("mouseover") );
  		}
  	},
  
  	_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 self = this;
  		$.each( items, function( index, item ) {
  			self._renderItem( ul, item );
  		});
  	},
  
  	_renderItem: function( ul, item) {
  		return $( "<li></li>" )
  			.data( "item.autocomplete", item )
  			.append( $( "<a></a>" ).text( item.label ) )
  			.appendTo( ul );
  	},
  
  	_move: function( direction, event ) {
  		if ( !this.menu.element.is(":visible") ) {
  			this.search( null, event );
  			return;
  		}
  		if ( this.menu.first() && /^previous/.test(direction) ||
  				this.menu.last() && /^next/.test(direction) ) {
  			this.element.val( this.term );
  			this.menu.deactivate();
  			return;
  		}
  		this.menu[ direction ]( event );
  	},
  
  	widget: function() {
  		return this.menu.element;
  	}
  });
  
  $.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 );
  		});
  	}
  });
  
  }( jQuery ));
  
  /*
   * jQuery UI Menu (not officially released)
   * 
   * This widget isn't yet finished and the API is subject to change. We plan to finish
   * it for the next release. You're welcome to give it a try anyway and give us feedback,
   * as long as you're okay with migrating your code later on. We can help with that, too.
   *
   * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
   * Dual licensed under the MIT or GPL Version 2 licenses.
   * http://jquery.org/license
   *
   * http://docs.jquery.com/UI/Menu
   *
   * Depends:
   *	jquery.ui.core.js
   *  jquery.ui.widget.js
   */
  (function($) {
  
  $.widget("ui.menu", {
  	_create: function() {
  		var self = this;
  		this.element
  			.addClass("ui-menu ui-widget ui-widget-content ui-corner-all")
  			.attr({
  				role: "listbox",
  				"aria-activedescendant": "ui-active-menuitem"
  			})
  			.click(function( event ) {
  				if ( !$( event.target ).closest( ".ui-menu-item a" ).length ) {
  					return;
  				}
  				// temporary
  				event.preventDefault();
  				self.select( event );
  			});
  		this.refresh();
  	},
  	
  	refresh: function() {
  		var self = this;
  
  		// don't refresh list items that are already adapted
  		var items = this.element.children("li:not(.ui-menu-item):has(a)")
  			.addClass("ui-menu-item")
  			.attr("role", "menuitem");
  		
  		items.children("a")
  			.addClass("ui-corner-all")
  			.attr("tabindex", -1)
  			// mouseenter doesn't work with event delegation
  			.mouseenter(function( event ) {
  				self.activate( event, $(this).parent() );
  			})
  			.mouseleave(function() {
  				self.deactivate();
  			});
  	},
  
  	activate: function( event, item ) {
  		this.deactivate();
  		if (this.hasScroll()) {
  			var offset = item.offset().top - this.element.offset().top,
  				scroll = this.element.scrollTop(),
  				elementHeight = this.element.height();
  			if (offset < 0) {
  				this.element.scrollTop( scroll + offset);
  			} else if (offset >= elementHeight) {
  				this.element.scrollTop( scroll + offset - elementHeight + item.height());
  			}
  		}
  		this.active = item.eq(0)
  			.children("a")
  				.addClass("ui-state-hover")
  				.attr("id", "ui-active-menuitem")
  			.end();
  		this._trigger("focus", event, { item: item });
  	},
  
  	deactivate: function() {
  		if (!this.active) { return; }
  
  		this.active.children("a")
  			.removeClass("ui-state-hover")
  			.removeAttr("id");
  		this._trigger("blur");
  		this.active = null;
  	},
  
  	next: function(event) {
  		this.move("next", ".ui-menu-item:first", event);
  	},
  
  	previous: function(event) {
  		this.move("prev", ".ui-menu-item:last", event);
  	},
  
  	first: function() {
  		return this.active && !this.active.prevAll(".ui-menu-item").length;
  	},
  
  	last: function() {
  		return this.active && !this.active.nextAll(".ui-menu-item").length;
  	},
  
  	move: function(direction, edge, event) {
  		if (!this.active) {
  			this.activate(event, this.element.children(edge));
  			return;
  		}
  		var next = this.active[direction + "All"](".ui-menu-item").eq(0);
  		if (next.length) {
  			this.activate(event, next);
  		} else {
  			this.activate(event, this.element.children(edge));
  		}
  	},
  
  	// TODO merge with previousPage
  	nextPage: function(event) {
  		if (this.hasScroll()) {
  			// TODO merge with no-scroll-else
  			if (!this.active || this.last()) {
  				this.activate(event, this.element.children(".ui-menu-item:first"));
  				return;
  			}
  			var base = this.active.offset().top,
  				height = this.element.height(),
  				result = this.element.children(".ui-menu-item").filter(function() {
  					var close = $(this).offset().top - base - height + $(this).height();
  					// TODO improve approximation
  					return close < 10 && close > -10;
  				});
  
  			// TODO try to catch this earlier when scrollTop indicates the last page anyway
  			if (!result.length) {
  				result = this.element.children(".ui-menu-item:last");
  			}
  			this.activate(event, result);
  		} else {
  			this.activate(event, this.element.children(".ui-menu-item")
  				.filter(!this.active || this.last() ? ":first" : ":last"));
  		}
  	},
  
  	// TODO merge with nextPage
  	previousPage: function(event) {
  		if (this.hasScroll()) {
  			// TODO merge with no-scroll-else
  			if (!this.active || this.first()) {
  				this.activate(event, this.element.children(".ui-menu-item:last"));
  				return;
  			}
  
  			var base = this.active.offset().top,
  				height = this.element.height();
  				result = this.element.children(".ui-menu-item").filter(function() {
  					var close = $(this).offset().top - base + height - $(this).height();
  					// TODO improve approximation
  					return close < 10 && close > -10;
  				});
  
  			// TODO try to catch this earlier when scrollTop indicates the last page anyway
  			if (!result.length) {
  				result = this.element.children(".ui-menu-item:first");
  			}
  			this.activate(event, result);
  		} else {
  			this.activate(event, this.element.children(".ui-menu-item")
  				.filter(!this.active || this.first() ? ":last" : ":first"));
  		}
  	},
  
  	hasScroll: function() {
  		return this.element.height() < this.element[ $.fn.prop ? "prop" : "attr" ]("scrollHeight");
  	},
  
  	select: function( event ) {
  		this._trigger("selected", event, { item: this.active });
  	}
  });
  
  }(jQuery));
  /*
   * jQuery UI Button 1.8.17
   *
   * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
   * Dual licensed under the MIT or GPL Version 2 licenses.
   * http://jquery.org/license
   *
   * http://docs.jquery.com/UI/Button
   *
   * Depends:
   *	jquery.ui.core.js
   *	jquery.ui.widget.js
   */
  (function( $, undefined ) {
  
  var lastActive, startXPos, startYPos, clickDragged,
  	baseClasses = "ui-button ui-widget ui-state-default ui-corner-all",
  	stateClasses = "ui-state-hover ui-state-active ",
  	typeClasses = "ui-button-icons-only ui-button-icon-only ui-button-text-icons ui-button-text-icon-primary ui-button-text-icon-secondary ui-button-text-only",
  	formResetHandler = function() {
  		var buttons = $( this ).find( ":ui-button" );
  		setTimeout(function() {
  			buttons.button( "refresh" );
  		}, 1 );
  	},
  	radioGroup = function( radio ) {
  		var name = radio.name,
  			form = radio.form,
  			radios = $( [] );
  		if ( name ) {
  			if ( form ) {
  				radios = $( form ).find( "[name='" + name + "']" );
  			} else {
  				radios = $( "[name='" + name + "']", radio.ownerDocument )
  					.filter(function() {
  						return !this.form;
  					});
  			}
  		}
  		return radios;
  	};
  
  $.widget( "ui.button", {
  	options: {
  		disabled: null,
  		text: true,
  		label: null,
  		icons: {
  			primary: null,
  			secondary: null
  		}
  	},
  	_create: function() {
  		this.element.closest( "form" )
  			.unbind( "reset.button" )
  			.bind( "reset.button", formResetHandler );
  
  		if ( typeof this.options.disabled !== "boolean" ) {
  			this.options.disabled = this.element.propAttr( "disabled" );
  		}
  
  		this._determineButtonType();
  		this.hasTitle = !!this.buttonElement.attr( "title" );
  
  		var self = this,
  			options = this.options,
  			toggleButton = this.type === "checkbox" || this.type === "radio",
  			hoverClass = "ui-state-hover" + ( !toggleButton ? " ui-state-active" : "" ),
  			focusClass = "ui-state-focus";
  
  		if ( options.label === null ) {
  			options.label = this.buttonElement.html();
  		}
  
  		if ( this.element.is( ":disabled" ) ) {
  			options.disabled = true;
  		}
  
  		this.buttonElement
  			.addClass( baseClasses )
  			.attr( "role", "button" )
  			.bind( "mouseenter.button", function() {
  				if ( options.disabled ) {
  					return;
  				}
  				$( this ).addClass( "ui-state-hover" );
  				if ( this === lastActive ) {
  					$( this ).addClass( "ui-state-active" );
  				}
  			})
  			.bind( "mouseleave.button", function() {
  				if ( options.disabled ) {
  					return;
  				}
  				$( this ).removeClass( hoverClass );
  			})
  			.bind( "click.button", function( event ) {
  				if ( options.disabled ) {
  					event.preventDefault();
  					event.stopImmediatePropagation();
  				}
  			});
  
  		this.element
  			.bind( "focus.button", function() {
  				// no need to check disabled, focus won't be triggered anyway
  				self.buttonElement.addClass( focusClass );
  			})
  			.bind( "blur.button", function() {
  				self.buttonElement.removeClass( focusClass );
  			});
  
  		if ( toggleButton ) {
  			this.element.bind( "change.button", function() {
  				if ( clickDragged ) {
  					return;
  				}
  				self.refresh();
  			});
  			// if mouse moves between mousedown and mouseup (drag) set clickDragged flag
  			// prevents issue where button state changes but checkbox/radio checked state
  			// does not in Firefox (see ticket #6970)
  			this.buttonElement
  				.bind( "mousedown.button", function( event ) {
  					if ( options.disabled ) {
  						return;
  					}
  					clickDragged = false;
  					startXPos = event.pageX;
  					startYPos = event.pageY;
  				})
  				.bind( "mouseup.button", function( event ) {
  					if ( options.disabled ) {
  						return;
  					}
  					if ( startXPos !== event.pageX || startYPos !== event.pageY ) {
  						clickDragged = true;
  					}
  			});
  		}
  
  		if ( this.type === "checkbox" ) {
  			this.buttonElement.bind( "click.button", function() {
  				if ( options.disabled || clickDragged ) {
  					return false;
  				}
  				$( this ).toggleClass( "ui-state-active" );
  				self.buttonElement.attr( "aria-pressed", self.element[0].checked );
  			});
  		} else if ( this.type === "radio" ) {
  			this.buttonElement.bind( "click.button", function() {
  				if ( options.disabled || clickDragged ) {
  					return false;
  				}
  				$( this ).addClass( "ui-state-active" );
  				self.buttonElement.attr( "aria-pressed", "true" );
  
  				var radio = self.element[ 0 ];
  				radioGroup( radio )
  					.not( radio )
  					.map(function() {
  						return $( this ).button( "widget" )[ 0 ];
  					})
  					.removeClass( "ui-state-active" )
  					.attr( "aria-pressed", "false" );
  			});
  		} else {
  			this.buttonElement
  				.bind( "mousedown.button", function() {
  					if ( options.disabled ) {
  						return false;
  					}
  					$( this ).addClass( "ui-state-active" );
  					lastActive = this;
  					$( document ).one( "mouseup", function() {
  						lastActive = null;
  					});
  				})
  				.bind( "mouseup.button", function() {
  					if ( options.disabled ) {
  						return false;
  					}
  					$( this ).removeClass( "ui-state-active" );
  				})
  				.bind( "keydown.button", function(event) {
  					if ( options.disabled ) {
  						return false;
  					}
  					if ( event.keyCode == $.ui.keyCode.SPACE || event.keyCode == $.ui.keyCode.ENTER ) {
  						$( this ).addClass( "ui-state-active" );
  					}
  				})
  				.bind( "keyup.button", function() {
  					$( this ).removeClass( "ui-state-active" );
  				});
  
  			if ( this.buttonElement.is("a") ) {
  				this.buttonElement.keyup(function(event) {
  					if ( event.keyCode === $.ui.keyCode.SPACE ) {
  						// TODO pass through original event correctly (just as 2nd argument doesn't work)
  						$( this ).click();
  					}
  				});
  			}
  		}
  
  		// TODO: pull out $.Widget's handling for the disabled option into
  		// $.Widget.prototype._setOptionDisabled so it's easy to proxy and can
  		// be overridden by individual plugins
  		this._setOption( "disabled", options.disabled );
  		this._resetButton();
  	},
  
  	_determineButtonType: function() {
  
  		if ( this.element.is(":checkbox") ) {
  			this.type = "checkbox";
  		} else if ( this.element.is(":radio") ) {
  			this.type = "radio";
  		} else if ( this.element.is("input") ) {
  			this.type = "input";
  		} else {
  			this.type = "button";
  		}
  
  		if ( this.type === "checkbox" || this.type === "radio" ) {
  			// we don't search against the document in case the element
  			// is disconnected from the DOM
  			var ancestor = this.element.parents().filter(":last"),
  				labelSelector = "label[for='" + this.element.attr("id") + "']";
  			this.buttonElement = ancestor.find( labelSelector );
  			if ( !this.buttonElement.length ) {
  				ancestor = ancestor.length ? ancestor.siblings() : this.element.siblings();
  				this.buttonElement = ancestor.filter( labelSelector );
  				if ( !this.buttonElement.length ) {
  					this.buttonElement = ancestor.find( labelSelector );
  				}
  			}
  			this.element.addClass( "ui-helper-hidden-accessible" );
  
  			var checked = this.element.is( ":checked" );
  			if ( checked ) {
  				this.buttonElement.addClass( "ui-state-active" );
  			}
  			this.buttonElement.attr( "aria-pressed", checked );
  		} else {
  			this.buttonElement = this.element;
  		}
  	},
  
  	widget: function() {
  		return this.buttonElement;
  	},
  
  	destroy: function() {
  		this.element
  			.removeClass( "ui-helper-hidden-accessible" );
  		this.buttonElement
  			.removeClass( baseClasses + " " + stateClasses + " " + typeClasses )
  			.removeAttr( "role" )
  			.removeAttr( "aria-pressed" )
  			.html( this.buttonElement.find(".ui-button-text").html() );
  
  		if ( !this.hasTitle ) {
  			this.buttonElement.removeAttr( "title" );
  		}
  
  		$.Widget.prototype.destroy.call( this );
  	},
  
  	_setOption: function( key, value ) {
  		$.Widget.prototype._setOption.apply( this, arguments );
  		if ( key === "disabled" ) {
  			if ( value ) {
  				this.element.propAttr( "disabled", true );
  			} else {
  				this.element.propAttr( "disabled", false );
  			}
  			return;
  		}
  		this._resetButton();
  	},
  
  	refresh: function() {
  		var isDisabled = this.element.is( ":disabled" );
  		if ( isDisabled !== this.options.disabled ) {
  			this._setOption( "disabled", isDisabled );
  		}
  		if ( this.type === "radio" ) {
  			radioGroup( this.element[0] ).each(function() {
  				if ( $( this ).is( ":checked" ) ) {
  					$( this ).button( "widget" )
  						.addClass( "ui-state-active" )
  						.attr( "aria-pressed", "true" );
  				} else {
  					$( this ).button( "widget" )
  						.removeClass( "ui-state-active" )
  						.attr( "aria-pressed", "false" );
  				}
  			});
  		} else if ( this.type === "checkbox" ) {
  			if ( this.element.is( ":checked" ) ) {
  				this.buttonElement
  					.addClass( "ui-state-active" )
  					.attr( "aria-pressed", "true" );
  			} else {
  				this.buttonElement
  					.removeClass( "ui-state-active" )
  					.attr( "aria-pressed", "false" );
  			}
  		}
  	},
  
  	_resetButton: function() {
  		if ( this.type === "input" ) {
  			if ( this.options.label ) {
  				this.element.val( this.options.label );
  			}
  			return;
  		}
  		var buttonElement = this.buttonElement.removeClass( typeClasses ),
  			buttonText = $( "<span></span>", this.element[0].ownerDocument )
  				.addClass( "ui-button-text" )
  				.html( this.options.label )
  				.appendTo( buttonElement.empty() )
  				.text(),
  			icons = this.options.icons,
  			multipleIcons = icons.primary && icons.secondary,
  			buttonClasses = [];  
  
  		if ( icons.primary || icons.secondary ) {
  			if ( this.options.text ) {
  				buttonClasses.push( "ui-button-text-icon" + ( multipleIcons ? "s" : ( icons.primary ? "-primary" : "-secondary" ) ) );
  			}
  
  			if ( icons.primary ) {
  				buttonElement.prepend( "<span class='ui-button-icon-primary ui-icon " + icons.primary + "'></span>" );
  			}
  
  			if ( icons.secondary ) {
  				buttonElement.append( "<span class='ui-button-icon-secondary ui-icon " + icons.secondary + "'></span>" );
  			}
  
  			if ( !this.options.text ) {
  				buttonClasses.push( multipleIcons ? "ui-button-icons-only" : "ui-button-icon-only" );
  
  				if ( !this.hasTitle ) {
  					buttonElement.attr( "title", buttonText );
  				}
  			}
  		} else {
  			buttonClasses.push( "ui-button-text-only" );
  		}
  		buttonElement.addClass( buttonClasses.join( " " ) );
  	}
  });
  
  $.widget( "ui.buttonset", {
  	options: {
  		items: ":button, :submit, :reset, :checkbox, :radio, a, :data(button)"
  	},
  
  	_create: function() {
  		this.element.addClass( "ui-buttonset" );
  	},
  	
  	_init: function() {
  		this.refresh();
  	},
  
  	_setOption: function( key, value ) {
  		if ( key === "disabled" ) {
  			this.buttons.button( "option", key, value );
  		}
  
  		$.Widget.prototype._setOption.apply( this, arguments );
  	},
  	
  	refresh: function() {
  		var rtl = this.element.css( "direction" ) === "rtl";
  		
  		this.buttons = this.element.find( this.options.items )
  			.filter( ":ui-button" )
  				.button( "refresh" )
  			.end()
  			.not( ":ui-button" )
  				.button()
  			.end()
  			.map(function() {
  				return $( this ).button( "widget" )[ 0 ];
  			})
  				.removeClass( "ui-corner-all ui-corner-left ui-corner-right" )
  				.filter( ":first" )
  					.addClass( rtl ? "ui-corner-right" : "ui-corner-left" )
  				.end()
  				.filter( ":last" )
  					.addClass( rtl ? "ui-corner-left" : "ui-corner-right" )
  				.end()
  			.end();
  	},
  
  	destroy: function() {
  		this.element.removeClass( "ui-buttonset" );
  		this.buttons
  			.map(function() {
  				return $( this ).button( "widget" )[ 0 ];
  			})
  				.removeClass( "ui-corner-left ui-corner-right" )
  			.end()
  			.button( "destroy" );
  
  		$.Widget.prototype.destroy.call( this );
  	}
  });
  
  }( jQuery ) );
  