text: /*! jQuery UI - v1.11.4 - 2016-03-18
  * http://jqueryui.com
  * Includes: core.js, widget.js, mouse.js, position.js, draggable.js, resizable.js, sortable.js, datepicker.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( $ ) {
  /*!
   * jQuery UI Core 1.11.4
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * http://api.jqueryui.com/category/ui-core/
   */
  
  
  // $.ui might exist from components with no dependencies, e.g., $.ui.position
  $.ui = $.ui || {};
  
  $.extend( $.ui, {
  	version: "1.11.4",
  
  	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
  	}
  });
  
  // plugins
  $.fn.extend({
  	scrollParent: function( includeHidden ) {
  		var position = this.css( "position" ),
  			excludeStaticParent = position === "absolute",
  			overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/,
  			scrollParent = this.parents().filter( function() {
  				var parent = $( this );
  				if ( excludeStaticParent && parent.css( "position" ) === "static" ) {
  					return false;
  				}
  				return overflowRegex.test( parent.css( "overflow" ) + parent.css( "overflow-y" ) + parent.css( "overflow-x" ) );
  			}).eq( 0 );
  
  		return position === "fixed" || !scrollParent.length ? $( this[ 0 ].ownerDocument || document ) : scrollParent;
  	},
  
  	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" );
  			}
  		});
  	}
  });
  
  // selectors
  function focusable( element, isTabIndexNotNaN ) {
  	var map, mapName, img,
  		nodeName = element.nodeName.toLowerCase();
  	if ( "area" === nodeName ) {
  		map = element.parentNode;
  		mapName = map.name;
  		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 $.expr.filters.visible( element ) &&
  		!$( element ).parents().addBack().filter(function() {
  			return $.css( this, "visibility" ) === "hidden";
  		}).length;
  }
  
  $.extend( $.expr[ ":" ], {
  	data: $.expr.createPseudo ?
  		$.expr.createPseudo(function( dataName ) {
  			return function( elem ) {
  				return !!$.data( elem, dataName );
  			};
  		}) :
  		// support: jQuery <1.8
  		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: jQuery <1.8
  if ( !$( "<a>" ).outerWidth( 1 ).jquery ) {
  	$.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( $.css( elem, "padding" + this ) ) || 0;
  				if ( border ) {
  					size -= parseFloat( $.css( elem, "border" + this + "Width" ) ) || 0;
  				}
  				if ( margin ) {
  					size -= parseFloat( $.css( elem, "margin" + this ) ) || 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" );
  			});
  		};
  	});
  }
  
  // support: jQuery <1.8
  if ( !$.fn.addBack ) {
  	$.fn.addBack = function( selector ) {
  		return this.add( selector == null ?
  			this.prevObject : this.prevObject.filter( selector )
  		);
  	};
  }
  
  // support: jQuery 1.6.1, 1.6.2 (http://bugs.jquery.com/ticket/9413)
  if ( $( "<a>" ).data( "a-b", "a" ).removeData( "a-b" ).data( "a-b" ) ) {
  	$.fn.removeData = (function( removeData ) {
  		return function( key ) {
  			if ( arguments.length ) {
  				return removeData.call( this, $.camelCase( key ) );
  			} else {
  				return removeData.call( this );
  			}
  		};
  	})( $.fn.removeData );
  }
  
  // deprecated
  $.ui.ie = !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() );
  
  $.fn.extend({
  	focus: (function( orig ) {
  		return function( delay, fn ) {
  			return typeof delay === "number" ?
  				this.each(function() {
  					var elem = this;
  					setTimeout(function() {
  						$( elem ).focus();
  						if ( fn ) {
  							fn.call( elem );
  						}
  					}, delay );
  				}) :
  				orig.apply( this, arguments );
  		};
  	})( $.fn.focus ),
  
  	disableSelection: (function() {
  		var eventType = "onselectstart" in document.createElement( "div" ) ?
  			"selectstart" :
  			"mousedown";
  
  		return function() {
  			return this.bind( eventType + ".ui-disableSelection", function( event ) {
  				event.preventDefault();
  			});
  		};
  	})(),
  
  	enableSelection: function() {
  		return this.unbind( ".ui-disableSelection" );
  	},
  
  	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;
  	}
  });
  
  // $.ui.plugin is deprecated. Use $.widget() extensions instead.
  $.ui.plugin = {
  	add: function( module, option, set ) {
  		var i,
  			proto = $.ui[ module ].prototype;
  		for ( i in set ) {
  			proto.plugins[ i ] = proto.plugins[ i ] || [];
  			proto.plugins[ i ].push( [ option, set[ i ] ] );
  		}
  	},
  	call: function( instance, name, args, allowDisconnected ) {
  		var i,
  			set = instance.plugins[ name ];
  
  		if ( !set ) {
  			return;
  		}
  
  		if ( !allowDisconnected && ( !instance.element[ 0 ].parentNode || instance.element[ 0 ].parentNode.nodeType === 11 ) ) {
  			return;
  		}
  
  		for ( i = 0; i < set.length; i++ ) {
  			if ( instance.options[ set[ i ][ 0 ] ] ) {
  				set[ i ][ 1 ].apply( instance.element, args );
  			}
  		}
  	}
  };
  
  
  /*!
   * jQuery UI Widget 1.11.4
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * http://api.jqueryui.com/jQuery.widget/
   */
  
  
  var widget_uuid = 0,
  	widget_slice = 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 fullName, existingConstructor, constructor, basePrototype,
  		// proxiedPrototype allows the provided prototype to remain unmodified
  		// so that it can be used as a mixin for multiple widgets (#8876)
  		proxiedPrototype = {},
  		namespace = name.split( "." )[ 0 ];
  
  	name = name.split( "." )[ 1 ];
  	fullName = namespace + "-" + name;
  
  	if ( !prototype ) {
  		prototype = base;
  		base = $.Widget;
  	}
  
  	// create selector for plugin
  	$.expr[ ":" ][ fullName.toLowerCase() ] = function( elem ) {
  		return !!$.data( elem, fullName );
  	};
  
  	$[ namespace ] = $[ namespace ] || {};
  	existingConstructor = $[ namespace ][ name ];
  	constructor = $[ namespace ][ name ] = function( options, element ) {
  		// allow instantiation without "new" keyword
  		if ( !this._createWidget ) {
  			return new constructor( options, element );
  		}
  
  		// allow instantiation without initializing for simple inheritance
  		// must use "new" keyword (the code above always passes args)
  		if ( arguments.length ) {
  			this._createWidget( options, element );
  		}
  	};
  	// extend with the existing constructor to carry over any static properties
  	$.extend( constructor, existingConstructor, {
  		version: prototype.version,
  		// copy the object used to create the prototype in case we need to
  		// redefine the widget later
  		_proto: $.extend( {}, prototype ),
  		// track widgets that inherit from this widget in case this widget is
  		// redefined after a widget inherits from it
  		_childConstructors: []
  	});
  
  	basePrototype = new base();
  	// we need to make the options hash a property directly on the new instance
  	// otherwise we'll modify the options hash on the prototype that we're
  	// inheriting from
  	basePrototype.options = $.widget.extend( {}, basePrototype.options );
  	$.each( prototype, function( prop, value ) {
  		if ( !$.isFunction( value ) ) {
  			proxiedPrototype[ prop ] = value;
  			return;
  		}
  		proxiedPrototype[ prop ] = (function() {
  			var _super = function() {
  					return base.prototype[ prop ].apply( this, arguments );
  				},
  				_superApply = function( args ) {
  					return base.prototype[ prop ].apply( this, args );
  				};
  			return function() {
  				var __super = this._super,
  					__superApply = this._superApply,
  					returnValue;
  
  				this._super = _super;
  				this._superApply = _superApply;
  
  				returnValue = value.apply( this, arguments );
  
  				this._super = __super;
  				this._superApply = __superApply;
  
  				return returnValue;
  			};
  		})();
  	});
  	constructor.prototype = $.widget.extend( basePrototype, {
  		// TODO: remove support for widgetEventPrefix
  		// always use the name + a colon as the prefix, e.g., draggable:start
  		// don't prefix for widgets that aren't DOM-based
  		widgetEventPrefix: existingConstructor ? (basePrototype.widgetEventPrefix || name) : 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 = widget_slice.call( arguments, 1 ),
  		inputIndex = 0,
  		inputLength = input.length,
  		key,
  		value;
  	for ( ; inputIndex < inputLength; inputIndex++ ) {
  		for ( key in input[ inputIndex ] ) {
  			value = input[ inputIndex ][ key ];
  			if ( input[ inputIndex ].hasOwnProperty( key ) && value !== undefined ) {
  				// Clone objects
  				if ( $.isPlainObject( value ) ) {
  					target[ key ] = $.isPlainObject( target[ key ] ) ?
  						$.widget.extend( {}, target[ key ], value ) :
  						// Don't extend strings, arrays, etc. with objects
  						$.widget.extend( {}, value );
  				// Copy everything else by reference
  				} else {
  					target[ key ] = value;
  				}
  			}
  		}
  	}
  	return target;
  };
  
  $.widget.bridge = function( name, object ) {
  	var fullName = object.prototype.widgetFullName || name;
  	$.fn[ name ] = function( options ) {
  		var isMethodCall = typeof options === "string",
  			args = widget_slice.call( arguments, 1 ),
  			returnValue = this;
  
  		if ( isMethodCall ) {
  			this.each(function() {
  				var methodValue,
  					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: {
  		disabled: false,
  
  		// callbacks
  		create: null
  	},
  	_createWidget: function( options, element ) {
  		element = $( element || this.defaultElement || this )[ 0 ];
  		this.element = $( element );
  		this.uuid = widget_uuid++;
  		this.eventNamespace = "." + this.widgetName + this.uuid;
  
  		this.bindings = $();
  		this.hoverable = $();
  		this.focusable = $();
  
  		if ( element !== this ) {
  			$.data( element, this.widgetFullName, this );
  			this._on( true, this.element, {
  				remove: function( event ) {
  					if ( event.target === element ) {
  						this.destroy();
  					}
  				}
  			});
  			this.document = $( element.style ?
  				// element within the document
  				element.ownerDocument :
  				// element is window or document
  				element.document || element );
  			this.window = $( this.document[0].defaultView || this.document[0].parentWindow );
  		}
  
  		this.options = $.widget.extend( {},
  			this.options,
  			this._getCreateOptions(),
  			options );
  
  		this._create();
  		this._trigger( "create", null, this._getCreateEventData() );
  		this._init();
  	},
  	_getCreateOptions: $.noop,
  	_getCreateEventData: $.noop,
  	_create: $.noop,
  	_init: $.noop,
  
  	destroy: function() {
  		this._destroy();
  		// we can probably remove the unbind calls in 2.0
  		// all event bindings should go through this._on()
  		this.element
  			.unbind( this.eventNamespace )
  			.removeData( this.widgetFullName )
  			// support: jquery <1.6.3
  			// http://bugs.jquery.com/ticket/9413
  			.removeData( $.camelCase( this.widgetFullName ) );
  		this.widget()
  			.unbind( this.eventNamespace )
  			.removeAttr( "aria-disabled" )
  			.removeClass(
  				this.widgetFullName + "-disabled " +
  				"ui-state-disabled" );
  
  		// clean up events and states
  		this.bindings.unbind( this.eventNamespace );
  		this.hoverable.removeClass( "ui-state-hover" );
  		this.focusable.removeClass( "ui-state-focus" );
  	},
  	_destroy: $.noop,
  
  	widget: function() {
  		return this.element;
  	},
  
  	option: function( key, value ) {
  		var options = key,
  			parts,
  			curOption,
  			i;
  
  		if ( arguments.length === 0 ) {
  			// don't return a reference to the internal hash
  			return $.widget.extend( {}, this.options );
  		}
  
  		if ( typeof key === "string" ) {
  			// handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
  			options = {};
  			parts = key.split( "." );
  			key = parts.shift();
  			if ( parts.length ) {
  				curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
  				for ( i = 0; i < parts.length - 1; i++ ) {
  					curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
  					curOption = curOption[ parts[ i ] ];
  				}
  				key = parts.pop();
  				if ( 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 ) {
  		this.options[ key ] = value;
  
  		if ( key === "disabled" ) {
  			this.widget()
  				.toggleClass( this.widgetFullName + "-disabled", !!value );
  
  			// If the widget is becoming disabled, then nothing is interactive
  			if ( value ) {
  				this.hoverable.removeClass( "ui-state-hover" );
  				this.focusable.removeClass( "ui-state-focus" );
  			}
  		}
  
  		return this;
  	},
  
  	enable: function() {
  		return this._setOptions({ disabled: false });
  	},
  	disable: function() {
  		return this._setOptions({ disabled: true });
  	},
  
  	_on: function( suppressDisabledCheck, element, handlers ) {
  		var delegateElement,
  			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*(.*)$/ ),
  				eventName = match[1] + instance.eventNamespace,
  				selector = match[2];
  			if ( selector ) {
  				delegateElement.delegate( selector, eventName, handlerProxy );
  			} else {
  				element.bind( eventName, handlerProxy );
  			}
  		});
  	},
  
  	_off: function( element, eventName ) {
  		eventName = (eventName || "").split( " " ).join( this.eventNamespace + " " ) +
  			this.eventNamespace;
  		element.unbind( eventName ).undelegate( 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 ) {
  				$( event.currentTarget ).addClass( "ui-state-hover" );
  			},
  			mouseleave: function( event ) {
  				$( event.currentTarget ).removeClass( "ui-state-hover" );
  			}
  		});
  	},
  
  	_focusable: function( element ) {
  		this.focusable = this.focusable.add( element );
  		this._on( element, {
  			focusin: function( event ) {
  				$( event.currentTarget ).addClass( "ui-state-focus" );
  			},
  			focusout: function( event ) {
  				$( event.currentTarget ).removeClass( "ui-state-focus" );
  			}
  		});
  	},
  
  	_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.apply( this.element[0], [ event ].concat( data ) ) === false ||
  			event.isDefaultPrevented() );
  	}
  };
  
  $.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
  	$.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
  		if ( typeof options === "string" ) {
  			options = { effect: options };
  		}
  		var hasOptions,
  			effectName = !options ?
  				method :
  				options === true || typeof options === "number" ?
  					defaultEffect :
  					options.effect || defaultEffect;
  		options = options || {};
  		if ( typeof options === "number" ) {
  			options = { duration: options };
  		}
  		hasOptions = !$.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 Mouse 1.11.4
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * http://api.jqueryui.com/mouse/
   */
  
  
  var mouseHandled = false;
  $( document ).mouseup( function() {
  	mouseHandled = false;
  });
  
  var mouse = $.widget("ui.mouse", {
  	version: "1.11.4",
  	options: {
  		cancel: "input,textarea,button,select,option",
  		distance: 1,
  		delay: 0
  	},
  	_mouseInit: function() {
  		var that = this;
  
  		this.element
  			.bind("mousedown." + this.widgetName, function(event) {
  				return that._mouseDown(event);
  			})
  			.bind("click." + this.widgetName, function(event) {
  				if (true === $.data(event.target, that.widgetName + ".preventClickEvent")) {
  					$.removeData(event.target, that.widgetName + ".preventClickEvent");
  					event.stopImmediatePropagation();
  					return false;
  				}
  			});
  
  		this.started = false;
  	},
  
  	// TODO: make sure destroying one instance of mouse doesn't mess with
  	// other instances of mouse
  	_mouseDestroy: function() {
  		this.element.unbind("." + this.widgetName);
  		if ( this._mouseMoveDelegate ) {
  			this.document
  				.unbind("mousemove." + this.widgetName, this._mouseMoveDelegate)
  				.unbind("mouseup." + this.widgetName, this._mouseUpDelegate);
  		}
  	},
  
  	_mouseDown: function(event) {
  		// don't let more than one widget handle mouseStart
  		if ( mouseHandled ) {
  			return;
  		}
  
  		this._mouseMoved = false;
  
  		// we may have missed mouseup (out of window)
  		(this._mouseStarted && this._mouseUp(event));
  
  		this._mouseDownEvent = event;
  
  		var that = this,
  			btnIsLeft = (event.which === 1),
  			// event.target.nodeName works around a bug in IE 8 with
  			// disabled inputs (#7620)
  			elIsCancel = (typeof this.options.cancel === "string" && event.target.nodeName ? $(event.target).closest(this.options.cancel).length : false);
  		if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
  			return true;
  		}
  
  		this.mouseDelayMet = !this.options.delay;
  		if (!this.mouseDelayMet) {
  			this._mouseDelayTimer = setTimeout(function() {
  				that.mouseDelayMet = true;
  			}, this.options.delay);
  		}
  
  		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
  			this._mouseStarted = (this._mouseStart(event) !== false);
  			if (!this._mouseStarted) {
  				event.preventDefault();
  				return true;
  			}
  		}
  
  		// Click event may never have fired (Gecko & Opera)
  		if (true === $.data(event.target, this.widgetName + ".preventClickEvent")) {
  			$.removeData(event.target, this.widgetName + ".preventClickEvent");
  		}
  
  		// these delegates are required to keep context
  		this._mouseMoveDelegate = function(event) {
  			return that._mouseMove(event);
  		};
  		this._mouseUpDelegate = function(event) {
  			return that._mouseUp(event);
  		};
  
  		this.document
  			.bind( "mousemove." + this.widgetName, this._mouseMoveDelegate )
  			.bind( "mouseup." + this.widgetName, this._mouseUpDelegate );
  
  		event.preventDefault();
  
  		mouseHandled = true;
  		return true;
  	},
  
  	_mouseMove: function(event) {
  		// Only check for mouseups outside the document if you've moved inside the document
  		// at least once. This prevents the firing of mouseup in the case of IE<9, which will
  		// fire a mousemove event if content is placed under the cursor. See #7778
  		// Support: IE <9
  		if ( this._mouseMoved ) {
  			// IE mouseup check - mouseup happened when mouse was out of window
  			if ($.ui.ie && ( !document.documentMode || document.documentMode < 9 ) && !event.button) {
  				return this._mouseUp(event);
  
  			// Iframe mouseup check - mouseup occurred in another document
  			} else if ( !event.which ) {
  				return this._mouseUp( event );
  			}
  		}
  
  		if ( event.which || event.button ) {
  			this._mouseMoved = true;
  		}
  
  		if (this._mouseStarted) {
  			this._mouseDrag(event);
  			return event.preventDefault();
  		}
  
  		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
  			this._mouseStarted =
  				(this._mouseStart(this._mouseDownEvent, event) !== false);
  			(this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
  		}
  
  		return !this._mouseStarted;
  	},
  
  	_mouseUp: function(event) {
  		this.document
  			.unbind( "mousemove." + this.widgetName, this._mouseMoveDelegate )
  			.unbind( "mouseup." + this.widgetName, this._mouseUpDelegate );
  
  		if (this._mouseStarted) {
  			this._mouseStarted = false;
  
  			if (event.target === this._mouseDownEvent.target) {
  				$.data(event.target, this.widgetName + ".preventClickEvent", true);
  			}
  
  			this._mouseStop(event);
  		}
  
  		mouseHandled = false;
  		return false;
  	},
  
  	_mouseDistanceMet: function(event) {
  		return (Math.max(
  				Math.abs(this._mouseDownEvent.pageX - event.pageX),
  				Math.abs(this._mouseDownEvent.pageY - event.pageY)
  			) >= this.options.distance
  		);
  	},
  
  	_mouseDelayMet: function(/* event */) {
  		return this.mouseDelayMet;
  	},
  
  	// These are placeholder methods, to be overriden by extending plugin
  	_mouseStart: function(/* event */) {},
  	_mouseDrag: function(/* event */) {},
  	_mouseStop: function(/* event */) {},
  	_mouseCapture: function(/* event */) { return true; }
  });
  
  
  /*!
   * jQuery UI Position 1.11.4
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * http://api.jqueryui.com/position/
   */
  
  (function() {
  
  $.ui = $.ui || {};
  
  var cachedScrollbarWidth, supportsOffsetFractions,
  	max = Math.max,
  	abs = Math.abs,
  	round = Math.round,
  	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;
  		return {
  			element: withinElement,
  			isWindow: isWindow,
  			isDocument: isDocument,
  			offset: withinElement.offset() || { left: 0, top: 0 },
  			scrollLeft: withinElement.scrollLeft(),
  			scrollTop: withinElement.scrollTop(),
  
  			// support: jQuery 1.6.x
  			// jQuery 1.6 doesn't support .outerWidth/Height() on documents or windows
  			width: isWindow || isDocument ? withinElement.width() : withinElement.outerWidth(),
  			height: isWindow || isDocument ? withinElement.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 ];
  
  		// if the browser doesn't support fractions, then round for consistent results
  		if ( !supportsOffsetFractions ) {
  			position.left = round( position.left );
  			position.top = round( position.top );
  		}
  
  		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 );
  		}
  	}
  };
  
  // fraction support test
  (function() {
  	var testElement, testElementParent, testElementStyle, offsetLeft, i,
  		body = document.getElementsByTagName( "body" )[ 0 ],
  		div = document.createElement( "div" );
  
  	//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 ) {
  		$.extend( testElementStyle, {
  			position: "absolute",
  			left: "-1000px",
  			top: "-1000px"
  		});
  	}
  	for ( 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;";
  
  	offsetLeft = $( div ).offset().left;
  	supportsOffsetFractions = offsetLeft > 10 && offsetLeft < 11;
  
  	testElement.innerHTML = "";
  	testElementParent.removeChild( testElement );
  })();
  
  })();
  
  var position = $.ui.position;
  
  
  /*!
   * jQuery UI Draggable 1.11.4
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * http://api.jqueryui.com/draggable/
   */
  
  
  $.widget("ui.draggable", $.ui.mouse, {
  	version: "1.11.4",
  	widgetEventPrefix: "drag",
  	options: {
  		addClasses: true,
  		appendTo: "parent",
  		axis: false,
  		connectToSortable: false,
  		containment: false,
  		cursor: "auto",
  		cursorAt: false,
  		grid: false,
  		handle: false,
  		helper: "original",
  		iframeFix: false,
  		opacity: false,
  		refreshPositions: false,
  		revert: false,
  		revertDuration: 500,
  		scope: "default",
  		scroll: true,
  		scrollSensitivity: 20,
  		scrollSpeed: 20,
  		snap: false,
  		snapMode: "both",
  		snapTolerance: 20,
  		stack: false,
  		zIndex: false,
  
  		// callbacks
  		drag: null,
  		start: null,
  		stop: null
  	},
  	_create: function() {
  
  		if ( this.options.helper === "original" ) {
  			this._setPositionRelative();
  		}
  		if (this.options.addClasses){
  			this.element.addClass("ui-draggable");
  		}
  		if (this.options.disabled){
  			this.element.addClass("ui-draggable-disabled");
  		}
  		this._setHandleClassName();
  
  		this._mouseInit();
  	},
  
  	_setOption: function( key, value ) {
  		this._super( key, value );
  		if ( key === "handle" ) {
  			this._removeHandleClassName();
  			this._setHandleClassName();
  		}
  	},
  
  	_destroy: function() {
  		if ( ( this.helper || this.element ).is( ".ui-draggable-dragging" ) ) {
  			this.destroyOnClear = true;
  			return;
  		}
  		this.element.removeClass( "ui-draggable ui-draggable-dragging ui-draggable-disabled" );
  		this._removeHandleClassName();
  		this._mouseDestroy();
  	},
  
  	_mouseCapture: function(event) {
  		var o = this.options;
  
  		this._blurActiveElement( event );
  
  		// among others, prevent a drag on a resizable-handle
  		if (this.helper || o.disabled || $(event.target).closest(".ui-resizable-handle").length > 0) {
  			return false;
  		}
  
  		//Quit if we're not on a valid handle
  		this.handle = this._getHandle(event);
  		if (!this.handle) {
  			return false;
  		}
  
  		this._blockFrames( o.iframeFix === true ? "iframe" : o.iframeFix );
  
  		return true;
  
  	},
  
  	_blockFrames: function( selector ) {
  		this.iframeBlocks = this.document.find( selector ).map(function() {
  			var iframe = $( this );
  
  			return $( "<div>" )
  				.css( "position", "absolute" )
  				.appendTo( iframe.parent() )
  				.outerWidth( iframe.outerWidth() )
  				.outerHeight( iframe.outerHeight() )
  				.offset( iframe.offset() )[ 0 ];
  		});
  	},
  
  	_unblockFrames: function() {
  		if ( this.iframeBlocks ) {
  			this.iframeBlocks.remove();
  			delete this.iframeBlocks;
  		}
  	},
  
  	_blurActiveElement: function( event ) {
  		var document = this.document[ 0 ];
  
  		// Only need to blur if the event occurred on the draggable itself, see #10527
  		if ( !this.handleElement.is( event.target ) ) {
  			return;
  		}
  
  		// support: IE9
  		// IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
  		try {
  
  			// Support: IE9, IE10
  			// If the <body> is blurred, IE will switch windows, see #9520
  			if ( document.activeElement && document.activeElement.nodeName.toLowerCase() !== "body" ) {
  
  				// Blur any element that currently has focus, see #4261
  				$( document.activeElement ).blur();
  			}
  		} catch ( error ) {}
  	},
  
  	_mouseStart: function(event) {
  
  		var o = this.options;
  
  		//Create and append the visible helper
  		this.helper = this._createHelper(event);
  
  		this.helper.addClass("ui-draggable-dragging");
  
  		//Cache the helper size
  		this._cacheHelperProportions();
  
  		//If ddmanager is used for droppables, set the global draggable
  		if ($.ui.ddmanager) {
  			$.ui.ddmanager.current = this;
  		}
  
  		/*
  		 * - Position generation -
  		 * This block generates everything position related - it's the core of draggables.
  		 */
  
  		//Cache the margins of the original element
  		this._cacheMargins();
  
  		//Store the helper's css position
  		this.cssPosition = this.helper.css( "position" );
  		this.scrollParent = this.helper.scrollParent( true );
  		this.offsetParent = this.helper.offsetParent();
  		this.hasFixedAncestor = this.helper.parents().filter(function() {
  				return $( this ).css( "position" ) === "fixed";
  			}).length > 0;
  
  		//The element's absolute position on the page minus margins
  		this.positionAbs = this.element.offset();
  		this._refreshOffsets( event );
  
  		//Generate the original position
  		this.originalPosition = this.position = this._generatePosition( event, false );
  		this.originalPageX = event.pageX;
  		this.originalPageY = event.pageY;
  
  		//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
  		(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
  
  		//Set a containment if given in the options
  		this._setContainment();
  
  		//Trigger event + callbacks
  		if (this._trigger("start", event) === false) {
  			this._clear();
  			return false;
  		}
  
  		//Recache the helper size
  		this._cacheHelperProportions();
  
  		//Prepare the droppable offsets
  		if ($.ui.ddmanager && !o.dropBehaviour) {
  			$.ui.ddmanager.prepareOffsets(this, event);
  		}
  
  		// Reset helper's right/bottom css if they're set and set explicit width/height instead
  		// as this prevents resizing of elements with right/bottom set (see #7772)
  		this._normalizeRightBottom();
  
  		this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position
  
  		//If the ddmanager is used for droppables, inform the manager that dragging has started (see #5003)
  		if ( $.ui.ddmanager ) {
  			$.ui.ddmanager.dragStart(this, event);
  		}
  
  		return true;
  	},
  
  	_refreshOffsets: function( event ) {
  		this.offset = {
  			top: this.positionAbs.top - this.margins.top,
  			left: this.positionAbs.left - this.margins.left,
  			scroll: false,
  			parent: this._getParentOffset(),
  			relative: this._getRelativeOffset()
  		};
  
  		this.offset.click = {
  			left: event.pageX - this.offset.left,
  			top: event.pageY - this.offset.top
  		};
  	},
  
  	_mouseDrag: function(event, noPropagation) {
  		// reset any necessary cached properties (see #5009)
  		if ( this.hasFixedAncestor ) {
  			this.offset.parent = this._getParentOffset();
  		}
  
  		//Compute the helpers position
  		this.position = this._generatePosition( event, true );
  		this.positionAbs = this._convertPositionTo("absolute");
  
  		//Call plugins and callbacks and use the resulting position if something is returned
  		if (!noPropagation) {
  			var ui = this._uiHash();
  			if (this._trigger("drag", event, ui) === false) {
  				this._mouseUp({});
  				return false;
  			}
  			this.position = ui.position;
  		}
  
  		this.helper[ 0 ].style.left = this.position.left + "px";
  		this.helper[ 0 ].style.top = this.position.top + "px";
  
  		if ($.ui.ddmanager) {
  			$.ui.ddmanager.drag(this, event);
  		}
  
  		return false;
  	},
  
  	_mouseStop: function(event) {
  
  		//If we are using droppables, inform the manager about the drop
  		var that = this,
  			dropped = false;
  		if ($.ui.ddmanager && !this.options.dropBehaviour) {
  			dropped = $.ui.ddmanager.drop(this, event);
  		}
  
  		//if a drop comes from outside (a sortable)
  		if (this.dropped) {
  			dropped = this.dropped;
  			this.dropped = false;
  		}
  
  		if ((this.options.revert === "invalid" && !dropped) || (this.options.revert === "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) {
  			$(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() {
  				if (that._trigger("stop", event) !== false) {
  					that._clear();
  				}
  			});
  		} else {
  			if (this._trigger("stop", event) !== false) {
  				this._clear();
  			}
  		}
  
  		return false;
  	},
  
  	_mouseUp: function( event ) {
  		this._unblockFrames();
  
  		//If the ddmanager is used for droppables, inform the manager that dragging has stopped (see #5003)
  		if ( $.ui.ddmanager ) {
  			$.ui.ddmanager.dragStop(this, event);
  		}
  
  		// Only need to focus if the event occurred on the draggable itself, see #10527
  		if ( this.handleElement.is( event.target ) ) {
  			// The interaction is over; whether or not the click resulted in a drag, focus the element
  			this.element.focus();
  		}
  
  		return $.ui.mouse.prototype._mouseUp.call(this, event);
  	},
  
  	cancel: function() {
  
  		if (this.helper.is(".ui-draggable-dragging")) {
  			this._mouseUp({});
  		} else {
  			this._clear();
  		}
  
  		return this;
  
  	},
  
  	_getHandle: function(event) {
  		return this.options.handle ?
  			!!$( event.target ).closest( this.element.find( this.options.handle ) ).length :
  			true;
  	},
  
  	_setHandleClassName: function() {
  		this.handleElement = this.options.handle ?
  			this.element.find( this.options.handle ) : this.element;
  		this.handleElement.addClass( "ui-draggable-handle" );
  	},
  
  	_removeHandleClassName: function() {
  		this.handleElement.removeClass( "ui-draggable-handle" );
  	},
  
  	_createHelper: function(event) {
  
  		var o = this.options,
  			helperIsFunction = $.isFunction( o.helper ),
  			helper = helperIsFunction ?
  				$( o.helper.apply( this.element[ 0 ], [ event ] ) ) :
  				( o.helper === "clone" ?
  					this.element.clone().removeAttr( "id" ) :
  					this.element );
  
  		if (!helper.parents("body").length) {
  			helper.appendTo((o.appendTo === "parent" ? this.element[0].parentNode : o.appendTo));
  		}
  
  		// http://bugs.jqueryui.com/ticket/9446
  		// a helper function can return the original element
  		// which wouldn't have been set to relative in _create
  		if ( helperIsFunction && helper[ 0 ] === this.element[ 0 ] ) {
  			this._setPositionRelative();
  		}
  
  		if (helper[0] !== this.element[0] && !(/(fixed|absolute)/).test(helper.css("position"))) {
  			helper.css("position", "absolute");
  		}
  
  		return helper;
  
  	},
  
  	_setPositionRelative: function() {
  		if ( !( /^(?:r|a|f)/ ).test( this.element.css( "position" ) ) ) {
  			this.element[ 0 ].style.position = "relative";
  		}
  	},
  
  	_adjustOffsetFromHelper: function(obj) {
  		if (typeof obj === "string") {
  			obj = obj.split(" ");
  		}
  		if ($.isArray(obj)) {
  			obj = { left: +obj[0], top: +obj[1] || 0 };
  		}
  		if ("left" in obj) {
  			this.offset.click.left = obj.left + this.margins.left;
  		}
  		if ("right" in obj) {
  			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
  		}
  		if ("top" in obj) {
  			this.offset.click.top = obj.top + this.margins.top;
  		}
  		if ("bottom" in obj) {
  			this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
  		}
  	},
  
  	_isRootNode: function( element ) {
  		return ( /(html|body)/i ).test( element.tagName ) || element === this.document[ 0 ];
  	},
  
  	_getParentOffset: function() {
  
  		//Get the offsetParent and cache its position
  		var po = this.offsetParent.offset(),
  			document = this.document[ 0 ];
  
  		// This is a special case where we need to modify a offset calculated on start, since the following happened:
  		// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
  		// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
  		//    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
  		if (this.cssPosition === "absolute" && this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) {
  			po.left += this.scrollParent.scrollLeft();
  			po.top += this.scrollParent.scrollTop();
  		}
  
  		if ( this._isRootNode( this.offsetParent[ 0 ] ) ) {
  			po = { top: 0, left: 0 };
  		}
  
  		return {
  			top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"), 10) || 0),
  			left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"), 10) || 0)
  		};
  
  	},
  
  	_getRelativeOffset: function() {
  		if ( this.cssPosition !== "relative" ) {
  			return { top: 0, left: 0 };
  		}
  
  		var p = this.element.position(),
  			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
  
  		return {
  			top: p.top - ( parseInt(this.helper.css( "top" ), 10) || 0 ) + ( !scrollIsRootNode ? this.scrollParent.scrollTop() : 0 ),
  			left: p.left - ( parseInt(this.helper.css( "left" ), 10) || 0 ) + ( !scrollIsRootNode ? this.scrollParent.scrollLeft() : 0 )
  		};
  
  	},
  
  	_cacheMargins: function() {
  		this.margins = {
  			left: (parseInt(this.element.css("marginLeft"), 10) || 0),
  			top: (parseInt(this.element.css("marginTop"), 10) || 0),
  			right: (parseInt(this.element.css("marginRight"), 10) || 0),
  			bottom: (parseInt(this.element.css("marginBottom"), 10) || 0)
  		};
  	},
  
  	_cacheHelperProportions: function() {
  		this.helperProportions = {
  			width: this.helper.outerWidth(),
  			height: this.helper.outerHeight()
  		};
  	},
  
  	_setContainment: function() {
  
  		var isUserScrollable, c, ce,
  			o = this.options,
  			document = this.document[ 0 ];
  
  		this.relativeContainer = null;
  
  		if ( !o.containment ) {
  			this.containment = null;
  			return;
  		}
  
  		if ( o.containment === "window" ) {
  			this.containment = [
  				$( window ).scrollLeft() - this.offset.relative.left - this.offset.parent.left,
  				$( window ).scrollTop() - this.offset.relative.top - this.offset.parent.top,
  				$( window ).scrollLeft() + $( window ).width() - this.helperProportions.width - this.margins.left,
  				$( window ).scrollTop() + ( $( window ).height() || document.body.parentNode.scrollHeight ) - this.helperProportions.height - this.margins.top
  			];
  			return;
  		}
  
  		if ( o.containment === "document") {
  			this.containment = [
  				0,
  				0,
  				$( document ).width() - this.helperProportions.width - this.margins.left,
  				( $( document ).height() || document.body.parentNode.scrollHeight ) - this.helperProportions.height - this.margins.top
  			];
  			return;
  		}
  
  		if ( o.containment.constructor === Array ) {
  			this.containment = o.containment;
  			return;
  		}
  
  		if ( o.containment === "parent" ) {
  			o.containment = this.helper[ 0 ].parentNode;
  		}
  
  		c = $( o.containment );
  		ce = c[ 0 ];
  
  		if ( !ce ) {
  			return;
  		}
  
  		isUserScrollable = /(scroll|auto)/.test( c.css( "overflow" ) );
  
  		this.containment = [
  			( parseInt( c.css( "borderLeftWidth" ), 10 ) || 0 ) + ( parseInt( c.css( "paddingLeft" ), 10 ) || 0 ),
  			( parseInt( c.css( "borderTopWidth" ), 10 ) || 0 ) + ( parseInt( c.css( "paddingTop" ), 10 ) || 0 ),
  			( isUserScrollable ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
  				( parseInt( c.css( "borderRightWidth" ), 10 ) || 0 ) -
  				( parseInt( c.css( "paddingRight" ), 10 ) || 0 ) -
  				this.helperProportions.width -
  				this.margins.left -
  				this.margins.right,
  			( isUserScrollable ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
  				( parseInt( c.css( "borderBottomWidth" ), 10 ) || 0 ) -
  				( parseInt( c.css( "paddingBottom" ), 10 ) || 0 ) -
  				this.helperProportions.height -
  				this.margins.top -
  				this.margins.bottom
  		];
  		this.relativeContainer = c;
  	},
  
  	_convertPositionTo: function(d, pos) {
  
  		if (!pos) {
  			pos = this.position;
  		}
  
  		var mod = d === "absolute" ? 1 : -1,
  			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
  
  		return {
  			top: (
  				pos.top	+																// The absolute mouse position
  				this.offset.relative.top * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
  				this.offset.parent.top * mod -										// The offsetParent's offset without borders (offset + border)
  				( ( this.cssPosition === "fixed" ? -this.offset.scroll.top : ( scrollIsRootNode ? 0 : this.offset.scroll.top ) ) * mod)
  			),
  			left: (
  				pos.left +																// The absolute mouse position
  				this.offset.relative.left * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
  				this.offset.parent.left * mod	-										// The offsetParent's offset without borders (offset + border)
  				( ( this.cssPosition === "fixed" ? -this.offset.scroll.left : ( scrollIsRootNode ? 0 : this.offset.scroll.left ) ) * mod)
  			)
  		};
  
  	},
  
  	_generatePosition: function( event, constrainPosition ) {
  
  		var containment, co, top, left,
  			o = this.options,
  			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] ),
  			pageX = event.pageX,
  			pageY = event.pageY;
  
  		// Cache the scroll
  		if ( !scrollIsRootNode || !this.offset.scroll ) {
  			this.offset.scroll = {
  				top: this.scrollParent.scrollTop(),
  				left: this.scrollParent.scrollLeft()
  			};
  		}
  
  		/*
  		 * - Position constraining -
  		 * Constrain the position to a mix of grid, containment.
  		 */
  
  		// If we are not dragging yet, we won't check for options
  		if ( constrainPosition ) {
  			if ( this.containment ) {
  				if ( this.relativeContainer ){
  					co = this.relativeContainer.offset();
  					containment = [
  						this.containment[ 0 ] + co.left,
  						this.containment[ 1 ] + co.top,
  						this.containment[ 2 ] + co.left,
  						this.containment[ 3 ] + co.top
  					];
  				} else {
  					containment = this.containment;
  				}
  
  				if (event.pageX - this.offset.click.left < containment[0]) {
  					pageX = containment[0] + this.offset.click.left;
  				}
  				if (event.pageY - this.offset.click.top < containment[1]) {
  					pageY = containment[1] + this.offset.click.top;
  				}
  				if (event.pageX - this.offset.click.left > containment[2]) {
  					pageX = containment[2] + this.offset.click.left;
  				}
  				if (event.pageY - this.offset.click.top > containment[3]) {
  					pageY = containment[3] + this.offset.click.top;
  				}
  			}
  
  			if (o.grid) {
  				//Check for grid elements set to 0 to prevent divide by 0 error causing invalid argument errors in IE (see ticket #6950)
  				top = o.grid[1] ? this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1] : this.originalPageY;
  				pageY = containment ? ((top - this.offset.click.top >= containment[1] || top - this.offset.click.top > containment[3]) ? top : ((top - this.offset.click.top >= containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
  
  				left = o.grid[0] ? this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0] : this.originalPageX;
  				pageX = containment ? ((left - this.offset.click.left >= containment[0] || left - this.offset.click.left > containment[2]) ? left : ((left - this.offset.click.left >= containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
  			}
  
  			if ( o.axis === "y" ) {
  				pageX = this.originalPageX;
  			}
  
  			if ( o.axis === "x" ) {
  				pageY = this.originalPageY;
  			}
  		}
  
  		return {
  			top: (
  				pageY -																	// The absolute mouse position
  				this.offset.click.top	-												// Click offset (relative to the element)
  				this.offset.relative.top -												// Only for relative positioned nodes: Relative offset from element to offset parent
  				this.offset.parent.top +												// The offsetParent's offset without borders (offset + border)
  				( this.cssPosition === "fixed" ? -this.offset.scroll.top : ( scrollIsRootNode ? 0 : this.offset.scroll.top ) )
  			),
  			left: (
  				pageX -																	// The absolute mouse position
  				this.offset.click.left -												// Click offset (relative to the element)
  				this.offset.relative.left -												// Only for relative positioned nodes: Relative offset from element to offset parent
  				this.offset.parent.left +												// The offsetParent's offset without borders (offset + border)
  				( this.cssPosition === "fixed" ? -this.offset.scroll.left : ( scrollIsRootNode ? 0 : this.offset.scroll.left ) )
  			)
  		};
  
  	},
  
  	_clear: function() {
  		this.helper.removeClass("ui-draggable-dragging");
  		if (this.helper[0] !== this.element[0] && !this.cancelHelperRemoval) {
  			this.helper.remove();
  		}
  		this.helper = null;
  		this.cancelHelperRemoval = false;
  		if ( this.destroyOnClear ) {
  			this.destroy();
  		}
  	},
  
  	_normalizeRightBottom: function() {
  		if ( this.options.axis !== "y" && this.helper.css( "right" ) !== "auto" ) {
  			this.helper.width( this.helper.width() );
  			this.helper.css( "right", "auto" );
  		}
  		if ( this.options.axis !== "x" && this.helper.css( "bottom" ) !== "auto" ) {
  			this.helper.height( this.helper.height() );
  			this.helper.css( "bottom", "auto" );
  		}
  	},
  
  	// From now on bulk stuff - mainly helpers
  
  	_trigger: function( type, event, ui ) {
  		ui = ui || this._uiHash();
  		$.ui.plugin.call( this, type, [ event, ui, this ], true );
  
  		// Absolute position and offset (see #6884 ) have to be recalculated after plugins
  		if ( /^(drag|start|stop)/.test( type ) ) {
  			this.positionAbs = this._convertPositionTo( "absolute" );
  			ui.offset = this.positionAbs;
  		}
  		return $.Widget.prototype._trigger.call( this, type, event, ui );
  	},
  
  	plugins: {},
  
  	_uiHash: function() {
  		return {
  			helper: this.helper,
  			position: this.position,
  			originalPosition: this.originalPosition,
  			offset: this.positionAbs
  		};
  	}
  
  });
  
  $.ui.plugin.add( "draggable", "connectToSortable", {
  	start: function( event, ui, draggable ) {
  		var uiSortable = $.extend( {}, ui, {
  			item: draggable.element
  		});
  
  		draggable.sortables = [];
  		$( draggable.options.connectToSortable ).each(function() {
  			var sortable = $( this ).sortable( "instance" );
  
  			if ( sortable && !sortable.options.disabled ) {
  				draggable.sortables.push( sortable );
  
  				// refreshPositions is called at drag start to refresh the containerCache
  				// which is used in drag. This ensures it's initialized and synchronized
  				// with any changes that might have happened on the page since initialization.
  				sortable.refreshPositions();
  				sortable._trigger("activate", event, uiSortable);
  			}
  		});
  	},
  	stop: function( event, ui, draggable ) {
  		var uiSortable = $.extend( {}, ui, {
  			item: draggable.element
  		});
  
  		draggable.cancelHelperRemoval = false;
  
  		$.each( draggable.sortables, function() {
  			var sortable = this;
  
  			if ( sortable.isOver ) {
  				sortable.isOver = 0;
  
  				// Allow this sortable to handle removing the helper
  				draggable.cancelHelperRemoval = true;
  				sortable.cancelHelperRemoval = false;
  
  				// Use _storedCSS To restore properties in the sortable,
  				// as this also handles revert (#9675) since the draggable
  				// may have modified them in unexpected ways (#8809)
  				sortable._storedCSS = {
  					position: sortable.placeholder.css( "position" ),
  					top: sortable.placeholder.css( "top" ),
  					left: sortable.placeholder.css( "left" )
  				};
  
  				sortable._mouseStop(event);
  
  				// Once drag has ended, the sortable should return to using
  				// its original helper, not the shared helper from draggable
  				sortable.options.helper = sortable.options._helper;
  			} else {
  				// Prevent this Sortable from removing the helper.
  				// However, don't set the draggable to remove the helper
  				// either as another connected Sortable may yet handle the removal.
  				sortable.cancelHelperRemoval = true;
  
  				sortable._trigger( "deactivate", event, uiSortable );
  			}
  		});
  	},
  	drag: function( event, ui, draggable ) {
  		$.each( draggable.sortables, function() {
  			var innermostIntersecting = false,
  				sortable = this;
  
  			// Copy over variables that sortable's _intersectsWith uses
  			sortable.positionAbs = draggable.positionAbs;
  			sortable.helperProportions = draggable.helperProportions;
  			sortable.offset.click = draggable.offset.click;
  
  			if ( sortable._intersectsWith( sortable.containerCache ) ) {
  				innermostIntersecting = true;
  
  				$.each( draggable.sortables, function() {
  					// Copy over variables that sortable's _intersectsWith uses
  					this.positionAbs = draggable.positionAbs;
  					this.helperProportions = draggable.helperProportions;
  					this.offset.click = draggable.offset.click;
  
  					if ( this !== sortable &&
  							this._intersectsWith( this.containerCache ) &&
  							$.contains( sortable.element[ 0 ], this.element[ 0 ] ) ) {
  						innermostIntersecting = false;
  					}
  
  					return innermostIntersecting;
  				});
  			}
  
  			if ( innermostIntersecting ) {
  				// If it intersects, we use a little isOver variable and set it once,
  				// so that the move-in stuff gets fired only once.
  				if ( !sortable.isOver ) {
  					sortable.isOver = 1;
  
  					// Store draggable's parent in case we need to reappend to it later.
  					draggable._parent = ui.helper.parent();
  
  					sortable.currentItem = ui.helper
  						.appendTo( sortable.element )
  						.data( "ui-sortable-item", true );
  
  					// Store helper option to later restore it
  					sortable.options._helper = sortable.options.helper;
  
  					sortable.options.helper = function() {
  						return ui.helper[ 0 ];
  					};
  
  					// Fire the start events of the sortable with our passed browser event,
  					// and our own helper (so it doesn't create a new one)
  					event.target = sortable.currentItem[ 0 ];
  					sortable._mouseCapture( event, true );
  					sortable._mouseStart( event, true, true );
  
  					// Because the browser event is way off the new appended portlet,
  					// modify necessary variables to reflect the changes
  					sortable.offset.click.top = draggable.offset.click.top;
  					sortable.offset.click.left = draggable.offset.click.left;
  					sortable.offset.parent.left -= draggable.offset.parent.left -
  						sortable.offset.parent.left;
  					sortable.offset.parent.top -= draggable.offset.parent.top -
  						sortable.offset.parent.top;
  
  					draggable._trigger( "toSortable", event );
  
  					// Inform draggable that the helper is in a valid drop zone,
  					// used solely in the revert option to handle "valid/invalid".
  					draggable.dropped = sortable.element;
  
  					// Need to refreshPositions of all sortables in the case that
  					// adding to one sortable changes the location of the other sortables (#9675)
  					$.each( draggable.sortables, function() {
  						this.refreshPositions();
  					});
  
  					// hack so receive/update callbacks work (mostly)
  					draggable.currentItem = draggable.element;
  					sortable.fromOutside = draggable;
  				}
  
  				if ( sortable.currentItem ) {
  					sortable._mouseDrag( event );
  					// Copy the sortable's position because the draggable's can potentially reflect
  					// a relative position, while sortable is always absolute, which the dragged
  					// element has now become. (#8809)
  					ui.position = sortable.position;
  				}
  			} else {
  				// If it doesn't intersect with the sortable, and it intersected before,
  				// we fake the drag stop of the sortable, but make sure it doesn't remove
  				// the helper by using cancelHelperRemoval.
  				if ( sortable.isOver ) {
  
  					sortable.isOver = 0;
  					sortable.cancelHelperRemoval = true;
  
  					// Calling sortable's mouseStop would trigger a revert,
  					// so revert must be temporarily false until after mouseStop is called.
  					sortable.options._revert = sortable.options.revert;
  					sortable.options.revert = false;
  
  					sortable._trigger( "out", event, sortable._uiHash( sortable ) );
  					sortable._mouseStop( event, true );
  
  					// restore sortable behaviors that were modfied
  					// when the draggable entered the sortable area (#9481)
  					sortable.options.revert = sortable.options._revert;
  					sortable.options.helper = sortable.options._helper;
  
  					if ( sortable.placeholder ) {
  						sortable.placeholder.remove();
  					}
  
  					// Restore and recalculate the draggable's offset considering the sortable
  					// may have modified them in unexpected ways. (#8809, #10669)
  					ui.helper.appendTo( draggable._parent );
  					draggable._refreshOffsets( event );
  					ui.position = draggable._generatePosition( event, true );
  
  					draggable._trigger( "fromSortable", event );
  
  					// Inform draggable that the helper is no longer in a valid drop zone
  					draggable.dropped = false;
  
  					// Need to refreshPositions of all sortables just in case removing
  					// from one sortable changes the location of other sortables (#9675)
  					$.each( draggable.sortables, function() {
  						this.refreshPositions();
  					});
  				}
  			}
  		});
  	}
  });
  
  $.ui.plugin.add("draggable", "cursor", {
  	start: function( event, ui, instance ) {
  		var t = $( "body" ),
  			o = instance.options;
  
  		if (t.css("cursor")) {
  			o._cursor = t.css("cursor");
  		}
  		t.css("cursor", o.cursor);
  	},
  	stop: function( event, ui, instance ) {
  		var o = instance.options;
  		if (o._cursor) {
  			$("body").css("cursor", o._cursor);
  		}
  	}
  });
  
  $.ui.plugin.add("draggable", "opacity", {
  	start: function( event, ui, instance ) {
  		var t = $( ui.helper ),
  			o = instance.options;
  		if (t.css("opacity")) {
  			o._opacity = t.css("opacity");
  		}
  		t.css("opacity", o.opacity);
  	},
  	stop: function( event, ui, instance ) {
  		var o = instance.options;
  		if (o._opacity) {
  			$(ui.helper).css("opacity", o._opacity);
  		}
  	}
  });
  
  $.ui.plugin.add("draggable", "scroll", {
  	start: function( event, ui, i ) {
  		if ( !i.scrollParentNotHidden ) {
  			i.scrollParentNotHidden = i.helper.scrollParent( false );
  		}
  
  		if ( i.scrollParentNotHidden[ 0 ] !== i.document[ 0 ] && i.scrollParentNotHidden[ 0 ].tagName !== "HTML" ) {
  			i.overflowOffset = i.scrollParentNotHidden.offset();
  		}
  	},
  	drag: function( event, ui, i  ) {
  
  		var o = i.options,
  			scrolled = false,
  			scrollParent = i.scrollParentNotHidden[ 0 ],
  			document = i.document[ 0 ];
  
  		if ( scrollParent !== document && scrollParent.tagName !== "HTML" ) {
  			if ( !o.axis || o.axis !== "x" ) {
  				if ( ( i.overflowOffset.top + scrollParent.offsetHeight ) - event.pageY < o.scrollSensitivity ) {
  					scrollParent.scrollTop = scrolled = scrollParent.scrollTop + o.scrollSpeed;
  				} else if ( event.pageY - i.overflowOffset.top < o.scrollSensitivity ) {
  					scrollParent.scrollTop = scrolled = scrollParent.scrollTop - o.scrollSpeed;
  				}
  			}
  
  			if ( !o.axis || o.axis !== "y" ) {
  				if ( ( i.overflowOffset.left + scrollParent.offsetWidth ) - event.pageX < o.scrollSensitivity ) {
  					scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft + o.scrollSpeed;
  				} else if ( event.pageX - i.overflowOffset.left < o.scrollSensitivity ) {
  					scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft - o.scrollSpeed;
  				}
  			}
  
  		} else {
  
  			if (!o.axis || o.axis !== "x") {
  				if (event.pageY - $(document).scrollTop() < o.scrollSensitivity) {
  					scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
  				} else if ($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) {
  					scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
  				}
  			}
  
  			if (!o.axis || o.axis !== "y") {
  				if (event.pageX - $(document).scrollLeft() < o.scrollSensitivity) {
  					scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
  				} else if ($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) {
  					scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
  				}
  			}
  
  		}
  
  		if (scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) {
  			$.ui.ddmanager.prepareOffsets(i, event);
  		}
  
  	}
  });
  
  $.ui.plugin.add("draggable", "snap", {
  	start: function( event, ui, i ) {
  
  		var o = i.options;
  
  		i.snapElements = [];
  
  		$(o.snap.constructor !== String ? ( o.snap.items || ":data(ui-draggable)" ) : o.snap).each(function() {
  			var $t = $(this),
  				$o = $t.offset();
  			if (this !== i.element[0]) {
  				i.snapElements.push({
  					item: this,
  					width: $t.outerWidth(), height: $t.outerHeight(),
  					top: $o.top, left: $o.left
  				});
  			}
  		});
  
  	},
  	drag: function( event, ui, inst ) {
  
  		var ts, bs, ls, rs, l, r, t, b, i, first,
  			o = inst.options,
  			d = o.snapTolerance,
  			x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
  			y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height;
  
  		for (i = inst.snapElements.length - 1; i >= 0; i--){
  
  			l = inst.snapElements[i].left - inst.margins.left;
  			r = l + inst.snapElements[i].width;
  			t = inst.snapElements[i].top - inst.margins.top;
  			b = t + inst.snapElements[i].height;
  
  			if ( x2 < l - d || x1 > r + d || y2 < t - d || y1 > b + d || !$.contains( inst.snapElements[ i ].item.ownerDocument, inst.snapElements[ i ].item ) ) {
  				if (inst.snapElements[i].snapping) {
  					(inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
  				}
  				inst.snapElements[i].snapping = false;
  				continue;
  			}
  
  			if (o.snapMode !== "inner") {
  				ts = Math.abs(t - y2) <= d;
  				bs = Math.abs(b - y1) <= d;
  				ls = Math.abs(l - x2) <= d;
  				rs = Math.abs(r - x1) <= d;
  				if (ts) {
  					ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top;
  				}
  				if (bs) {
  					ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top;
  				}
  				if (ls) {
  					ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left;
  				}
  				if (rs) {
  					ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left;
  				}
  			}
  
  			first = (ts || bs || ls || rs);
  
  			if (o.snapMode !== "outer") {
  				ts = Math.abs(t - y1) <= d;
  				bs = Math.abs(b - y2) <= d;
  				ls = Math.abs(l - x1) <= d;
  				rs = Math.abs(r - x2) <= d;
  				if (ts) {
  					ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top;
  				}
  				if (bs) {
  					ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top;
  				}
  				if (ls) {
  					ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left;
  				}
  				if (rs) {
  					ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left;
  				}
  			}
  
  			if (!inst.snapElements[i].snapping && (ts || bs || ls || rs || first)) {
  				(inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
  			}
  			inst.snapElements[i].snapping = (ts || bs || ls || rs || first);
  
  		}
  
  	}
  });
  
  $.ui.plugin.add("draggable", "stack", {
  	start: function( event, ui, instance ) {
  		var min,
  			o = instance.options,
  			group = $.makeArray($(o.stack)).sort(function(a, b) {
  				return (parseInt($(a).css("zIndex"), 10) || 0) - (parseInt($(b).css("zIndex"), 10) || 0);
  			});
  
  		if (!group.length) { return; }
  
  		min = parseInt($(group[0]).css("zIndex"), 10) || 0;
  		$(group).each(function(i) {
  			$(this).css("zIndex", min + i);
  		});
  		this.css("zIndex", (min + group.length));
  	}
  });
  
  $.ui.plugin.add("draggable", "zIndex", {
  	start: function( event, ui, instance ) {
  		var t = $( ui.helper ),
  			o = instance.options;
  
  		if (t.css("zIndex")) {
  			o._zIndex = t.css("zIndex");
  		}
  		t.css("zIndex", o.zIndex);
  	},
  	stop: function( event, ui, instance ) {
  		var o = instance.options;
  
  		if (o._zIndex) {
  			$(ui.helper).css("zIndex", o._zIndex);
  		}
  	}
  });
  
  var draggable = $.ui.draggable;
  
  
  /*!
   * jQuery UI Resizable 1.11.4
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * http://api.jqueryui.com/resizable/
   */
  
  
  $.widget("ui.resizable", $.ui.mouse, {
  	version: "1.11.4",
  	widgetEventPrefix: "resize",
  	options: {
  		alsoResize: false,
  		animate: false,
  		animateDuration: "slow",
  		animateEasing: "swing",
  		aspectRatio: false,
  		autoHide: false,
  		containment: false,
  		ghost: false,
  		grid: false,
  		handles: "e,s,se",
  		helper: false,
  		maxHeight: null,
  		maxWidth: null,
  		minHeight: 10,
  		minWidth: 10,
  		// See #7960
  		zIndex: 90,
  
  		// callbacks
  		resize: null,
  		start: null,
  		stop: null
  	},
  
  	_num: function( value ) {
  		return parseInt( value, 10 ) || 0;
  	},
  
  	_isNumber: function( value ) {
  		return !isNaN( parseInt( value, 10 ) );
  	},
  
  	_hasScroll: function( el, a ) {
  
  		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;
  	},
  
  	_create: function() {
  
  		var n, i, handle, axis, hname,
  			that = this,
  			o = this.options;
  		this.element.addClass("ui-resizable");
  
  		$.extend(this, {
  			_aspectRatio: !!(o.aspectRatio),
  			aspectRatio: o.aspectRatio,
  			originalElement: this.element,
  			_proportionallyResizeElements: [],
  			_helper: o.helper || o.ghost || o.animate ? o.helper || "ui-resizable-helper" : null
  		});
  
  		// Wrap the element if it cannot hold child nodes
  		if (this.element[0].nodeName.match(/^(canvas|textarea|input|select|button|img)$/i)) {
  
  			this.element.wrap(
  				$("<div class='ui-wrapper' style='overflow: hidden;'></div>").css({
  					position: this.element.css("position"),
  					width: this.element.outerWidth(),
  					height: this.element.outerHeight(),
  					top: this.element.css("top"),
  					left: this.element.css("left")
  				})
  			);
  
  			this.element = this.element.parent().data(
  				"ui-resizable", this.element.resizable( "instance" )
  			);
  
  			this.elementIsWrapper = true;
  
  			this.element.css({
  				marginLeft: this.originalElement.css("marginLeft"),
  				marginTop: this.originalElement.css("marginTop"),
  				marginRight: this.originalElement.css("marginRight"),
  				marginBottom: this.originalElement.css("marginBottom")
  			});
  			this.originalElement.css({
  				marginLeft: 0,
  				marginTop: 0,
  				marginRight: 0,
  				marginBottom: 0
  			});
  			// support: Safari
  			// Prevent Safari textarea resize
  			this.originalResizeStyle = this.originalElement.css("resize");
  			this.originalElement.css("resize", "none");
  
  			this._proportionallyResizeElements.push( this.originalElement.css({
  				position: "static",
  				zoom: 1,
  				display: "block"
  			}) );
  
  			// support: IE9
  			// avoid IE jump (hard set the margin)
  			this.originalElement.css({ margin: this.originalElement.css("margin") });
  
  			this._proportionallyResize();
  		}
  
  		this.handles = o.handles ||
  			( !$(".ui-resizable-handle", this.element).length ?
  				"e,s,se" : {
  					n: ".ui-resizable-n",
  					e: ".ui-resizable-e",
  					s: ".ui-resizable-s",
  					w: ".ui-resizable-w",
  					se: ".ui-resizable-se",
  					sw: ".ui-resizable-sw",
  					ne: ".ui-resizable-ne",
  					nw: ".ui-resizable-nw"
  				} );
  
  		this._handles = $();
  		if ( this.handles.constructor === String ) {
  
  			if ( this.handles === "all") {
  				this.handles = "n,e,s,w,se,sw,ne,nw";
  			}
  
  			n = this.handles.split(",");
  			this.handles = {};
  
  			for (i = 0; i < n.length; i++) {
  
  				handle = $.trim(n[i]);
  				hname = "ui-resizable-" + handle;
  				axis = $("<div class='ui-resizable-handle " + hname + "'></div>");
  
  				axis.css({ zIndex: o.zIndex });
  
  				// TODO : What's going on here?
  				if ("se" === handle) {
  					axis.addClass("ui-icon ui-icon-gripsmall-diagonal-se");
  				}
  
  				this.handles[handle] = ".ui-resizable-" + handle;
  				this.element.append(axis);
  			}
  
  		}
  
  		this._renderAxis = function(target) {
  
  			var i, axis, padPos, padWrapper;
  
  			target = target || this.element;
  
  			for (i in this.handles) {
  
  				if (this.handles[i].constructor === String) {
  					this.handles[i] = this.element.children( this.handles[ i ] ).first().show();
  				} else if ( this.handles[ i ].jquery || this.handles[ i ].nodeType ) {
  					this.handles[ i ] = $( this.handles[ i ] );
  					this._on( this.handles[ i ], { "mousedown": that._mouseDown });
  				}
  
  				if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/^(textarea|input|select|button)$/i)) {
  
  					axis = $(this.handles[i], this.element);
  
  					padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();
  
  					padPos = [ "padding",
  						/ne|nw|n/.test(i) ? "Top" :
  						/se|sw|s/.test(i) ? "Bottom" :
  						/^e$/.test(i) ? "Right" : "Left" ].join("");
  
  					target.css(padPos, padWrapper);
  
  					this._proportionallyResize();
  				}
  
  				this._handles = this._handles.add( this.handles[ i ] );
  			}
  		};
  
  		// TODO: make renderAxis a prototype function
  		this._renderAxis(this.element);
  
  		this._handles = this._handles.add( this.element.find( ".ui-resizable-handle" ) );
  		this._handles.disableSelection();
  
  		this._handles.mouseover(function() {
  			if (!that.resizing) {
  				if (this.className) {
  					axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);
  				}
  				that.axis = axis && axis[1] ? axis[1] : "se";
  			}
  		});
  
  		if (o.autoHide) {
  			this._handles.hide();
  			$(this.element)
  				.addClass("ui-resizable-autohide")
  				.mouseenter(function() {
  					if (o.disabled) {
  						return;
  					}
  					$(this).removeClass("ui-resizable-autohide");
  					that._handles.show();
  				})
  				.mouseleave(function() {
  					if (o.disabled) {
  						return;
  					}
  					if (!that.resizing) {
  						$(this).addClass("ui-resizable-autohide");
  						that._handles.hide();
  					}
  				});
  		}
  
  		this._mouseInit();
  	},
  
  	_destroy: function() {
  
  		this._mouseDestroy();
  
  		var wrapper,
  			_destroy = function(exp) {
  				$(exp)
  					.removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing")
  					.removeData("resizable")
  					.removeData("ui-resizable")
  					.unbind(".resizable")
  					.find(".ui-resizable-handle")
  						.remove();
  			};
  
  		// TODO: Unwrap at same DOM position
  		if (this.elementIsWrapper) {
  			_destroy(this.element);
  			wrapper = this.element;
  			this.originalElement.css({
  				position: wrapper.css("position"),
  				width: wrapper.outerWidth(),
  				height: wrapper.outerHeight(),
  				top: wrapper.css("top"),
  				left: wrapper.css("left")
  			}).insertAfter( wrapper );
  			wrapper.remove();
  		}
  
  		this.originalElement.css("resize", this.originalResizeStyle);
  		_destroy(this.originalElement);
  
  		return this;
  	},
  
  	_mouseCapture: function(event) {
  		var i, handle,
  			capture = false;
  
  		for (i in this.handles) {
  			handle = $(this.handles[i])[0];
  			if (handle === event.target || $.contains(handle, event.target)) {
  				capture = true;
  			}
  		}
  
  		return !this.options.disabled && capture;
  	},
  
  	_mouseStart: function(event) {
  
  		var curleft, curtop, cursor,
  			o = this.options,
  			el = this.element;
  
  		this.resizing = true;
  
  		this._renderProxy();
  
  		curleft = this._num(this.helper.css("left"));
  		curtop = this._num(this.helper.css("top"));
  
  		if (o.containment) {
  			curleft += $(o.containment).scrollLeft() || 0;
  			curtop += $(o.containment).scrollTop() || 0;
  		}
  
  		this.offset = this.helper.offset();
  		this.position = { left: curleft, top: curtop };
  
  		this.size = this._helper ? {
  				width: this.helper.width(),
  				height: this.helper.height()
  			} : {
  				width: el.width(),
  				height: el.height()
  			};
  
  		this.originalSize = this._helper ? {
  				width: el.outerWidth(),
  				height: el.outerHeight()
  			} : {
  				width: el.width(),
  				height: el.height()
  			};
  
  		this.sizeDiff = {
  			width: el.outerWidth() - el.width(),
  			height: el.outerHeight() - el.height()
  		};
  
  		this.originalPosition = { left: curleft, top: curtop };
  		this.originalMousePosition = { left: event.pageX, top: event.pageY };
  
  		this.aspectRatio = (typeof o.aspectRatio === "number") ?
  			o.aspectRatio :
  			((this.originalSize.width / this.originalSize.height) || 1);
  
  		cursor = $(".ui-resizable-" + this.axis).css("cursor");
  		$("body").css("cursor", cursor === "auto" ? this.axis + "-resize" : cursor);
  
  		el.addClass("ui-resizable-resizing");
  		this._propagate("start", event);
  		return true;
  	},
  
  	_mouseDrag: function(event) {
  
  		var data, props,
  			smp = this.originalMousePosition,
  			a = this.axis,
  			dx = (event.pageX - smp.left) || 0,
  			dy = (event.pageY - smp.top) || 0,
  			trigger = this._change[a];
  
  		this._updatePrevProperties();
  
  		if (!trigger) {
  			return false;
  		}
  
  		data = trigger.apply(this, [ event, dx, dy ]);
  
  		this._updateVirtualBoundaries(event.shiftKey);
  		if (this._aspectRatio || event.shiftKey) {
  			data = this._updateRatio(data, event);
  		}
  
  		data = this._respectSize(data, event);
  
  		this._updateCache(data);
  
  		this._propagate("resize", event);
  
  		props = this._applyChanges();
  
  		if ( !this._helper && this._proportionallyResizeElements.length ) {
  			this._proportionallyResize();
  		}
  
  		if ( !$.isEmptyObject( props ) ) {
  			this._updatePrevProperties();
  			this._trigger( "resize", event, this.ui() );
  			this._applyChanges();
  		}
  
  		return false;
  	},
  
  	_mouseStop: function(event) {
  
  		this.resizing = false;
  		var pr, ista, soffseth, soffsetw, s, left, top,
  			o = this.options, that = this;
  
  		if (this._helper) {
  
  			pr = this._proportionallyResizeElements;
  			ista = pr.length && (/textarea/i).test(pr[0].nodeName);
  			soffseth = ista && this._hasScroll(pr[0], "left") ? 0 : that.sizeDiff.height;
  			soffsetw = ista ? 0 : that.sizeDiff.width;
  
  			s = {
  				width: (that.helper.width()  - soffsetw),
  				height: (that.helper.height() - soffseth)
  			};
  			left = (parseInt(that.element.css("left"), 10) +
  				(that.position.left - that.originalPosition.left)) || null;
  			top = (parseInt(that.element.css("top"), 10) +
  				(that.position.top - that.originalPosition.top)) || null;
  
  			if (!o.animate) {
  				this.element.css($.extend(s, { top: top, left: left }));
  			}
  
  			that.helper.height(that.size.height);
  			that.helper.width(that.size.width);
  
  			if (this._helper && !o.animate) {
  				this._proportionallyResize();
  			}
  		}
  
  		$("body").css("cursor", "auto");
  
  		this.element.removeClass("ui-resizable-resizing");
  
  		this._propagate("stop", event);
  
  		if (this._helper) {
  			this.helper.remove();
  		}
  
  		return false;
  
  	},
  
  	_updatePrevProperties: function() {
  		this.prevPosition = {
  			top: this.position.top,
  			left: this.position.left
  		};
  		this.prevSize = {
  			width: this.size.width,
  			height: this.size.height
  		};
  	},
  
  	_applyChanges: function() {
  		var props = {};
  
  		if ( this.position.top !== this.prevPosition.top ) {
  			props.top = this.position.top + "px";
  		}
  		if ( this.position.left !== this.prevPosition.left ) {
  			props.left = this.position.left + "px";
  		}
  		if ( this.size.width !== this.prevSize.width ) {
  			props.width = this.size.width + "px";
  		}
  		if ( this.size.height !== this.prevSize.height ) {
  			props.height = this.size.height + "px";
  		}
  
  		this.helper.css( props );
  
  		return props;
  	},
  
  	_updateVirtualBoundaries: function(forceAspectRatio) {
  		var pMinWidth, pMaxWidth, pMinHeight, pMaxHeight, b,
  			o = this.options;
  
  		b = {
  			minWidth: this._isNumber(o.minWidth) ? o.minWidth : 0,
  			maxWidth: this._isNumber(o.maxWidth) ? o.maxWidth : Infinity,
  			minHeight: this._isNumber(o.minHeight) ? o.minHeight : 0,
  			maxHeight: this._isNumber(o.maxHeight) ? o.maxHeight : Infinity
  		};
  
  		if (this._aspectRatio || forceAspectRatio) {
  			pMinWidth = b.minHeight * this.aspectRatio;
  			pMinHeight = b.minWidth / this.aspectRatio;
  			pMaxWidth = b.maxHeight * this.aspectRatio;
  			pMaxHeight = b.maxWidth / this.aspectRatio;
  
  			if (pMinWidth > b.minWidth) {
  				b.minWidth = pMinWidth;
  			}
  			if (pMinHeight > b.minHeight) {
  				b.minHeight = pMinHeight;
  			}
  			if (pMaxWidth < b.maxWidth) {
  				b.maxWidth = pMaxWidth;
  			}
  			if (pMaxHeight < b.maxHeight) {
  				b.maxHeight = pMaxHeight;
  			}
  		}
  		this._vBoundaries = b;
  	},
  
  	_updateCache: function(data) {
  		this.offset = this.helper.offset();
  		if (this._isNumber(data.left)) {
  			this.position.left = data.left;
  		}
  		if (this._isNumber(data.top)) {
  			this.position.top = data.top;
  		}
  		if (this._isNumber(data.height)) {
  			this.size.height = data.height;
  		}
  		if (this._isNumber(data.width)) {
  			this.size.width = data.width;
  		}
  	},
  
  	_updateRatio: function( data ) {
  
  		var cpos = this.position,
  			csize = this.size,
  			a = this.axis;
  
  		if (this._isNumber(data.height)) {
  			data.width = (data.height * this.aspectRatio);
  		} else if (this._isNumber(data.width)) {
  			data.height = (data.width / this.aspectRatio);
  		}
  
  		if (a === "sw") {
  			data.left = cpos.left + (csize.width - data.width);
  			data.top = null;
  		}
  		if (a === "nw") {
  			data.top = cpos.top + (csize.height - data.height);
  			data.left = cpos.left + (csize.width - data.width);
  		}
  
  		return data;
  	},
  
  	_respectSize: function( data ) {
  
  		var o = this._vBoundaries,
  			a = this.axis,
  			ismaxw = this._isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width),
  			ismaxh = this._isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height),
  			isminw = this._isNumber(data.width) && o.minWidth && (o.minWidth > data.width),
  			isminh = this._isNumber(data.height) && o.minHeight && (o.minHeight > data.height),
  			dw = this.originalPosition.left + this.originalSize.width,
  			dh = this.position.top + this.size.height,
  			cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a);
  		if (isminw) {
  			data.width = o.minWidth;
  		}
  		if (isminh) {
  			data.height = o.minHeight;
  		}
  		if (ismaxw) {
  			data.width = o.maxWidth;
  		}
  		if (ismaxh) {
  			data.height = o.maxHeight;
  		}
  
  		if (isminw && cw) {
  			data.left = dw - o.minWidth;
  		}
  		if (ismaxw && cw) {
  			data.left = dw - o.maxWidth;
  		}
  		if (isminh && ch) {
  			data.top = dh - o.minHeight;
  		}
  		if (ismaxh && ch) {
  			data.top = dh - o.maxHeight;
  		}
  
  		// Fixing jump error on top/left - bug #2330
  		if (!data.width && !data.height && !data.left && data.top) {
  			data.top = null;
  		} else if (!data.width && !data.height && !data.top && data.left) {
  			data.left = null;
  		}
  
  		return data;
  	},
  
  	_getPaddingPlusBorderDimensions: function( element ) {
  		var i = 0,
  			widths = [],
  			borders = [
  				element.css( "borderTopWidth" ),
  				element.css( "borderRightWidth" ),
  				element.css( "borderBottomWidth" ),
  				element.css( "borderLeftWidth" )
  			],
  			paddings = [
  				element.css( "paddingTop" ),
  				element.css( "paddingRight" ),
  				element.css( "paddingBottom" ),
  				element.css( "paddingLeft" )
  			];
  
  		for ( ; i < 4; i++ ) {
  			widths[ i ] = ( parseInt( borders[ i ], 10 ) || 0 );
  			widths[ i ] += ( parseInt( paddings[ i ], 10 ) || 0 );
  		}
  
  		return {
  			height: widths[ 0 ] + widths[ 2 ],
  			width: widths[ 1 ] + widths[ 3 ]
  		};
  	},
  
  	_proportionallyResize: function() {
  
  		if (!this._proportionallyResizeElements.length) {
  			return;
  		}
  
  		var prel,
  			i = 0,
  			element = this.helper || this.element;
  
  		for ( ; i < this._proportionallyResizeElements.length; i++) {
  
  			prel = this._proportionallyResizeElements[i];
  
  			// TODO: Seems like a bug to cache this.outerDimensions
  			// considering that we are in a loop.
  			if (!this.outerDimensions) {
  				this.outerDimensions = this._getPaddingPlusBorderDimensions( prel );
  			}
  
  			prel.css({
  				height: (element.height() - this.outerDimensions.height) || 0,
  				width: (element.width() - this.outerDimensions.width) || 0
  			});
  
  		}
  
  	},
  
  	_renderProxy: function() {
  
  		var el = this.element, o = this.options;
  		this.elementOffset = el.offset();
  
  		if (this._helper) {
  
  			this.helper = this.helper || $("<div style='overflow:hidden;'></div>");
  
  			this.helper.addClass(this._helper).css({
  				width: this.element.outerWidth() - 1,
  				height: this.element.outerHeight() - 1,
  				position: "absolute",
  				left: this.elementOffset.left + "px",
  				top: this.elementOffset.top + "px",
  				zIndex: ++o.zIndex //TODO: Don't modify option
  			});
  
  			this.helper
  				.appendTo("body")
  				.disableSelection();
  
  		} else {
  			this.helper = this.element;
  		}
  
  	},
  
  	_change: {
  		e: function(event, dx) {
  			return { width: this.originalSize.width + dx };
  		},
  		w: function(event, dx) {
  			var cs = this.originalSize, sp = this.originalPosition;
  			return { left: sp.left + dx, width: cs.width - dx };
  		},
  		n: function(event, dx, dy) {
  			var cs = this.originalSize, sp = this.originalPosition;
  			return { top: sp.top + dy, height: cs.height - dy };
  		},
  		s: function(event, dx, dy) {
  			return { height: this.originalSize.height + dy };
  		},
  		se: function(event, dx, dy) {
  			return $.extend(this._change.s.apply(this, arguments),
  				this._change.e.apply(this, [ event, dx, dy ]));
  		},
  		sw: function(event, dx, dy) {
  			return $.extend(this._change.s.apply(this, arguments),
  				this._change.w.apply(this, [ event, dx, dy ]));
  		},
  		ne: function(event, dx, dy) {
  			return $.extend(this._change.n.apply(this, arguments),
  				this._change.e.apply(this, [ event, dx, dy ]));
  		},
  		nw: function(event, dx, dy) {
  			return $.extend(this._change.n.apply(this, arguments),
  				this._change.w.apply(this, [ event, dx, dy ]));
  		}
  	},
  
  	_propagate: function(n, event) {
  		$.ui.plugin.call(this, n, [ event, this.ui() ]);
  		(n !== "resize" && this._trigger(n, event, this.ui()));
  	},
  
  	plugins: {},
  
  	ui: function() {
  		return {
  			originalElement: this.originalElement,
  			element: this.element,
  			helper: this.helper,
  			position: this.position,
  			size: this.size,
  			originalSize: this.originalSize,
  			originalPosition: this.originalPosition
  		};
  	}
  
  });
  
  /*
   * Resizable Extensions
   */
  
  $.ui.plugin.add("resizable", "animate", {
  
  	stop: function( event ) {
  		var that = $(this).resizable( "instance" ),
  			o = that.options,
  			pr = that._proportionallyResizeElements,
  			ista = pr.length && (/textarea/i).test(pr[0].nodeName),
  			soffseth = ista && that._hasScroll(pr[0], "left") ? 0 : that.sizeDiff.height,
  			soffsetw = ista ? 0 : that.sizeDiff.width,
  			style = { width: (that.size.width - soffsetw), height: (that.size.height - soffseth) },
  			left = (parseInt(that.element.css("left"), 10) +
  				(that.position.left - that.originalPosition.left)) || null,
  			top = (parseInt(that.element.css("top"), 10) +
  				(that.position.top - that.originalPosition.top)) || null;
  
  		that.element.animate(
  			$.extend(style, top && left ? { top: top, left: left } : {}), {
  				duration: o.animateDuration,
  				easing: o.animateEasing,
  				step: function() {
  
  					var data = {
  						width: parseInt(that.element.css("width"), 10),
  						height: parseInt(that.element.css("height"), 10),
  						top: parseInt(that.element.css("top"), 10),
  						left: parseInt(that.element.css("left"), 10)
  					};
  
  					if (pr && pr.length) {
  						$(pr[0]).css({ width: data.width, height: data.height });
  					}
  
  					// propagating resize, and updating values for each animation step
  					that._updateCache(data);
  					that._propagate("resize", event);
  
  				}
  			}
  		);
  	}
  
  });
  
  $.ui.plugin.add( "resizable", "containment", {
  
  	start: function() {
  		var element, p, co, ch, cw, width, height,
  			that = $( this ).resizable( "instance" ),
  			o = that.options,
  			el = that.element,
  			oc = o.containment,
  			ce = ( oc instanceof $ ) ? oc.get( 0 ) : ( /parent/.test( oc ) ) ? el.parent().get( 0 ) : oc;
  
  		if ( !ce ) {
  			return;
  		}
  
  		that.containerElement = $( ce );
  
  		if ( /document/.test( oc ) || oc === document ) {
  			that.containerOffset = {
  				left: 0,
  				top: 0
  			};
  			that.containerPosition = {
  				left: 0,
  				top: 0
  			};
  
  			that.parentData = {
  				element: $( document ),
  				left: 0,
  				top: 0,
  				width: $( document ).width(),
  				height: $( document ).height() || document.body.parentNode.scrollHeight
  			};
  		} else {
  			element = $( ce );
  			p = [];
  			$([ "Top", "Right", "Left", "Bottom" ]).each(function( i, name ) {
  				p[ i ] = that._num( element.css( "padding" + name ) );
  			});
  
  			that.containerOffset = element.offset();
  			that.containerPosition = element.position();
  			that.containerSize = {
  				height: ( element.innerHeight() - p[ 3 ] ),
  				width: ( element.innerWidth() - p[ 1 ] )
  			};
  
  			co = that.containerOffset;
  			ch = that.containerSize.height;
  			cw = that.containerSize.width;
  			width = ( that._hasScroll ( ce, "left" ) ? ce.scrollWidth : cw );
  			height = ( that._hasScroll ( ce ) ? ce.scrollHeight : ch ) ;
  
  			that.parentData = {
  				element: ce,
  				left: co.left,
  				top: co.top,
  				width: width,
  				height: height
  			};
  		}
  	},
  
  	resize: function( event ) {
  		var woset, hoset, isParent, isOffsetRelative,
  			that = $( this ).resizable( "instance" ),
  			o = that.options,
  			co = that.containerOffset,
  			cp = that.position,
  			pRatio = that._aspectRatio || event.shiftKey,
  			cop = {
  				top: 0,
  				left: 0
  			},
  			ce = that.containerElement,
  			continueResize = true;
  
  		if ( ce[ 0 ] !== document && ( /static/ ).test( ce.css( "position" ) ) ) {
  			cop = co;
  		}
  
  		if ( cp.left < ( that._helper ? co.left : 0 ) ) {
  			that.size.width = that.size.width +
  				( that._helper ?
  					( that.position.left - co.left ) :
  					( that.position.left - cop.left ) );
  
  			if ( pRatio ) {
  				that.size.height = that.size.width / that.aspectRatio;
  				continueResize = false;
  			}
  			that.position.left = o.helper ? co.left : 0;
  		}
  
  		if ( cp.top < ( that._helper ? co.top : 0 ) ) {
  			that.size.height = that.size.height +
  				( that._helper ?
  					( that.position.top - co.top ) :
  					that.position.top );
  
  			if ( pRatio ) {
  				that.size.width = that.size.height * that.aspectRatio;
  				continueResize = false;
  			}
  			that.position.top = that._helper ? co.top : 0;
  		}
  
  		isParent = that.containerElement.get( 0 ) === that.element.parent().get( 0 );
  		isOffsetRelative = /relative|absolute/.test( that.containerElement.css( "position" ) );
  
  		if ( isParent && isOffsetRelative ) {
  			that.offset.left = that.parentData.left + that.position.left;
  			that.offset.top = that.parentData.top + that.position.top;
  		} else {
  			that.offset.left = that.element.offset().left;
  			that.offset.top = that.element.offset().top;
  		}
  
  		woset = Math.abs( that.sizeDiff.width +
  			(that._helper ?
  				that.offset.left - cop.left :
  				(that.offset.left - co.left)) );
  
  		hoset = Math.abs( that.sizeDiff.height +
  			(that._helper ?
  				that.offset.top - cop.top :
  				(that.offset.top - co.top)) );
  
  		if ( woset + that.size.width >= that.parentData.width ) {
  			that.size.width = that.parentData.width - woset;
  			if ( pRatio ) {
  				that.size.height = that.size.width / that.aspectRatio;
  				continueResize = false;
  			}
  		}
  
  		if ( hoset + that.size.height >= that.parentData.height ) {
  			that.size.height = that.parentData.height - hoset;
  			if ( pRatio ) {
  				that.size.width = that.size.height * that.aspectRatio;
  				continueResize = false;
  			}
  		}
  
  		if ( !continueResize ) {
  			that.position.left = that.prevPosition.left;
  			that.position.top = that.prevPosition.top;
  			that.size.width = that.prevSize.width;
  			that.size.height = that.prevSize.height;
  		}
  	},
  
  	stop: function() {
  		var that = $( this ).resizable( "instance" ),
  			o = that.options,
  			co = that.containerOffset,
  			cop = that.containerPosition,
  			ce = that.containerElement,
  			helper = $( that.helper ),
  			ho = helper.offset(),
  			w = helper.outerWidth() - that.sizeDiff.width,
  			h = helper.outerHeight() - that.sizeDiff.height;
  
  		if ( that._helper && !o.animate && ( /relative/ ).test( ce.css( "position" ) ) ) {
  			$( this ).css({
  				left: ho.left - cop.left - co.left,
  				width: w,
  				height: h
  			});
  		}
  
  		if ( that._helper && !o.animate && ( /static/ ).test( ce.css( "position" ) ) ) {
  			$( this ).css({
  				left: ho.left - cop.left - co.left,
  				width: w,
  				height: h
  			});
  		}
  	}
  });
  
  $.ui.plugin.add("resizable", "alsoResize", {
  
  	start: function() {
  		var that = $(this).resizable( "instance" ),
  			o = that.options;
  
  		$(o.alsoResize).each(function() {
  			var el = $(this);
  			el.data("ui-resizable-alsoresize", {
  				width: parseInt(el.width(), 10), height: parseInt(el.height(), 10),
  				left: parseInt(el.css("left"), 10), top: parseInt(el.css("top"), 10)
  			});
  		});
  	},
  
  	resize: function(event, ui) {
  		var that = $(this).resizable( "instance" ),
  			o = that.options,
  			os = that.originalSize,
  			op = that.originalPosition,
  			delta = {
  				height: (that.size.height - os.height) || 0,
  				width: (that.size.width - os.width) || 0,
  				top: (that.position.top - op.top) || 0,
  				left: (that.position.left - op.left) || 0
  			};
  
  			$(o.alsoResize).each(function() {
  				var el = $(this), start = $(this).data("ui-resizable-alsoresize"), style = {},
  					css = el.parents(ui.originalElement[0]).length ?
  							[ "width", "height" ] :
  							[ "width", "height", "top", "left" ];
  
  				$.each(css, function(i, prop) {
  					var sum = (start[prop] || 0) + (delta[prop] || 0);
  					if (sum && sum >= 0) {
  						style[prop] = sum || null;
  					}
  				});
  
  				el.css(style);
  			});
  	},
  
  	stop: function() {
  		$(this).removeData("resizable-alsoresize");
  	}
  });
  
  $.ui.plugin.add("resizable", "ghost", {
  
  	start: function() {
  
  		var that = $(this).resizable( "instance" ), o = that.options, cs = that.size;
  
  		that.ghost = that.originalElement.clone();
  		that.ghost
  			.css({
  				opacity: 0.25,
  				display: "block",
  				position: "relative",
  				height: cs.height,
  				width: cs.width,
  				margin: 0,
  				left: 0,
  				top: 0
  			})
  			.addClass("ui-resizable-ghost")
  			.addClass(typeof o.ghost === "string" ? o.ghost : "");
  
  		that.ghost.appendTo(that.helper);
  
  	},
  
  	resize: function() {
  		var that = $(this).resizable( "instance" );
  		if (that.ghost) {
  			that.ghost.css({
  				position: "relative",
  				height: that.size.height,
  				width: that.size.width
  			});
  		}
  	},
  
  	stop: function() {
  		var that = $(this).resizable( "instance" );
  		if (that.ghost && that.helper) {
  			that.helper.get(0).removeChild(that.ghost.get(0));
  		}
  	}
  
  });
  
  $.ui.plugin.add("resizable", "grid", {
  
  	resize: function() {
  		var outerDimensions,
  			that = $(this).resizable( "instance" ),
  			o = that.options,
  			cs = that.size,
  			os = that.originalSize,
  			op = that.originalPosition,
  			a = that.axis,
  			grid = typeof o.grid === "number" ? [ o.grid, o.grid ] : o.grid,
  			gridX = (grid[0] || 1),
  			gridY = (grid[1] || 1),
  			ox = Math.round((cs.width - os.width) / gridX) * gridX,
  			oy = Math.round((cs.height - os.height) / gridY) * gridY,
  			newWidth = os.width + ox,
  			newHeight = os.height + oy,
  			isMaxWidth = o.maxWidth && (o.maxWidth < newWidth),
  			isMaxHeight = o.maxHeight && (o.maxHeight < newHeight),
  			isMinWidth = o.minWidth && (o.minWidth > newWidth),
  			isMinHeight = o.minHeight && (o.minHeight > newHeight);
  
  		o.grid = grid;
  
  		if (isMinWidth) {
  			newWidth += gridX;
  		}
  		if (isMinHeight) {
  			newHeight += gridY;
  		}
  		if (isMaxWidth) {
  			newWidth -= gridX;
  		}
  		if (isMaxHeight) {
  			newHeight -= gridY;
  		}
  
  		if (/^(se|s|e)$/.test(a)) {
  			that.size.width = newWidth;
  			that.size.height = newHeight;
  		} else if (/^(ne)$/.test(a)) {
  			that.size.width = newWidth;
  			that.size.height = newHeight;
  			that.position.top = op.top - oy;
  		} else if (/^(sw)$/.test(a)) {
  			that.size.width = newWidth;
  			that.size.height = newHeight;
  			that.position.left = op.left - ox;
  		} else {
  			if ( newHeight - gridY <= 0 || newWidth - gridX <= 0) {
  				outerDimensions = that._getPaddingPlusBorderDimensions( this );
  			}
  
  			if ( newHeight - gridY > 0 ) {
  				that.size.height = newHeight;
  				that.position.top = op.top - oy;
  			} else {
  				newHeight = gridY - outerDimensions.height;
  				that.size.height = newHeight;
  				that.position.top = op.top + os.height - newHeight;
  			}
  			if ( newWidth - gridX > 0 ) {
  				that.size.width = newWidth;
  				that.position.left = op.left - ox;
  			} else {
  				newWidth = gridX - outerDimensions.width;
  				that.size.width = newWidth;
  				that.position.left = op.left + os.width - newWidth;
  			}
  		}
  	}
  
  });
  
  var resizable = $.ui.resizable;
  
  
  /*!
   * jQuery UI Sortable 1.11.4
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * http://api.jqueryui.com/sortable/
   */
  
  
  var sortable = $.widget("ui.sortable", $.ui.mouse, {
  	version: "1.11.4",
  	widgetEventPrefix: "sort",
  	ready: false,
  	options: {
  		appendTo: "parent",
  		axis: false,
  		connectWith: false,
  		containment: false,
  		cursor: "auto",
  		cursorAt: false,
  		dropOnEmpty: true,
  		forcePlaceholderSize: false,
  		forceHelperSize: false,
  		grid: false,
  		handle: false,
  		helper: "original",
  		items: "> *",
  		opacity: false,
  		placeholder: false,
  		revert: false,
  		scroll: true,
  		scrollSensitivity: 20,
  		scrollSpeed: 20,
  		scope: "default",
  		tolerance: "intersect",
  		zIndex: 1000,
  
  		// callbacks
  		activate: null,
  		beforeStop: null,
  		change: null,
  		deactivate: null,
  		out: null,
  		over: null,
  		receive: null,
  		remove: null,
  		sort: null,
  		start: null,
  		stop: null,
  		update: null
  	},
  
  	_isOverAxis: function( x, reference, size ) {
  		return ( x >= reference ) && ( x < ( reference + size ) );
  	},
  
  	_isFloating: function( item ) {
  		return (/left|right/).test(item.css("float")) || (/inline|table-cell/).test(item.css("display"));
  	},
  
  	_create: function() {
  		this.containerCache = {};
  		this.element.addClass("ui-sortable");
  
  		//Get the items
  		this.refresh();
  
  		//Let's determine the parent's offset
  		this.offset = this.element.offset();
  
  		//Initialize mouse events for interaction
  		this._mouseInit();
  
  		this._setHandleClassName();
  
  		//We're ready to go
  		this.ready = true;
  
  	},
  
  	_setOption: function( key, value ) {
  		this._super( key, value );
  
  		if ( key === "handle" ) {
  			this._setHandleClassName();
  		}
  	},
  
  	_setHandleClassName: function() {
  		this.element.find( ".ui-sortable-handle" ).removeClass( "ui-sortable-handle" );
  		$.each( this.items, function() {
  			( this.instance.options.handle ?
  				this.item.find( this.instance.options.handle ) : this.item )
  				.addClass( "ui-sortable-handle" );
  		});
  	},
  
  	_destroy: function() {
  		this.element
  			.removeClass( "ui-sortable ui-sortable-disabled" )
  			.find( ".ui-sortable-handle" )
  				.removeClass( "ui-sortable-handle" );
  		this._mouseDestroy();
  
  		for ( var i = this.items.length - 1; i >= 0; i-- ) {
  			this.items[i].item.removeData(this.widgetName + "-item");
  		}
  
  		return this;
  	},
  
  	_mouseCapture: function(event, overrideHandle) {
  		var currentItem = null,
  			validHandle = false,
  			that = this;
  
  		if (this.reverting) {
  			return false;
  		}
  
  		if(this.options.disabled || this.options.type === "static") {
  			return false;
  		}
  
  		//We have to refresh the items data once first
  		this._refreshItems(event);
  
  		//Find out if the clicked node (or one of its parents) is a actual item in this.items
  		$(event.target).parents().each(function() {
  			if($.data(this, that.widgetName + "-item") === that) {
  				currentItem = $(this);
  				return false;
  			}
  		});
  		if($.data(event.target, that.widgetName + "-item") === that) {
  			currentItem = $(event.target);
  		}
  
  		if(!currentItem) {
  			return false;
  		}
  		if(this.options.handle && !overrideHandle) {
  			$(this.options.handle, currentItem).find("*").addBack().each(function() {
  				if(this === event.target) {
  					validHandle = true;
  				}
  			});
  			if(!validHandle) {
  				return false;
  			}
  		}
  
  		this.currentItem = currentItem;
  		this._removeCurrentsFromItems();
  		return true;
  
  	},
  
  	_mouseStart: function(event, overrideHandle, noActivation) {
  
  		var i, body,
  			o = this.options;
  
  		this.currentContainer = this;
  
  		//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
  		this.refreshPositions();
  
  		//Create and append the visible helper
  		this.helper = this._createHelper(event);
  
  		//Cache the helper size
  		this._cacheHelperProportions();
  
  		/*
  		 * - Position generation -
  		 * This block generates everything position related - it's the core of draggables.
  		 */
  
  		//Cache the margins of the original element
  		this._cacheMargins();
  
  		//Get the next scrolling parent
  		this.scrollParent = this.helper.scrollParent();
  
  		//The element's absolute position on the page minus margins
  		this.offset = this.currentItem.offset();
  		this.offset = {
  			top: this.offset.top - this.margins.top,
  			left: this.offset.left - this.margins.left
  		};
  
  		$.extend(this.offset, {
  			click: { //Where the click happened, relative to the element
  				left: event.pageX - this.offset.left,
  				top: event.pageY - this.offset.top
  			},
  			parent: this._getParentOffset(),
  			relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
  		});
  
  		// Only after we got the offset, we can change the helper's position to absolute
  		// TODO: Still need to figure out a way to make relative sorting possible
  		this.helper.css("position", "absolute");
  		this.cssPosition = this.helper.css("position");
  
  		//Generate the original position
  		this.originalPosition = this._generatePosition(event);
  		this.originalPageX = event.pageX;
  		this.originalPageY = event.pageY;
  
  		//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
  		(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
  
  		//Cache the former DOM position
  		this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };
  
  		//If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way
  		if(this.helper[0] !== this.currentItem[0]) {
  			this.currentItem.hide();
  		}
  
  		//Create the placeholder
  		this._createPlaceholder();
  
  		//Set a containment if given in the options
  		if(o.containment) {
  			this._setContainment();
  		}
  
  		if( o.cursor && o.cursor !== "auto" ) { // cursor option
  			body = this.document.find( "body" );
  
  			// support: IE
  			this.storedCursor = body.css( "cursor" );
  			body.css( "cursor", o.cursor );
  
  			this.storedStylesheet = $( "<style>*{ cursor: "+o.cursor+" !important; }</style>" ).appendTo( body );
  		}
  
  		if(o.opacity) { // opacity option
  			if (this.helper.css("opacity")) {
  				this._storedOpacity = this.helper.css("opacity");
  			}
  			this.helper.css("opacity", o.opacity);
  		}
  
  		if(o.zIndex) { // zIndex option
  			if (this.helper.css("zIndex")) {
  				this._storedZIndex = this.helper.css("zIndex");
  			}
  			this.helper.css("zIndex", o.zIndex);
  		}
  
  		//Prepare scrolling
  		if(this.scrollParent[0] !== this.document[0] && this.scrollParent[0].tagName !== "HTML") {
  			this.overflowOffset = this.scrollParent.offset();
  		}
  
  		//Call callbacks
  		this._trigger("start", event, this._uiHash());
  
  		//Recache the helper size
  		if(!this._preserveHelperProportions) {
  			this._cacheHelperProportions();
  		}
  
  
  		//Post "activate" events to possible containers
  		if( !noActivation ) {
  			for ( i = this.containers.length - 1; i >= 0; i-- ) {
  				this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) );
  			}
  		}
  
  		//Prepare possible droppables
  		if($.ui.ddmanager) {
  			$.ui.ddmanager.current = this;
  		}
  
  		if ($.ui.ddmanager && !o.dropBehaviour) {
  			$.ui.ddmanager.prepareOffsets(this, event);
  		}
  
  		this.dragging = true;
  
  		this.helper.addClass("ui-sortable-helper");
  		this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
  		return true;
  
  	},
  
  	_mouseDrag: function(event) {
  		var i, item, itemElement, intersection,
  			o = this.options,
  			scrolled = false;
  
  		//Compute the helpers position
  		this.position = this._generatePosition(event);
  		this.positionAbs = this._convertPositionTo("absolute");
  
  		if (!this.lastPositionAbs) {
  			this.lastPositionAbs = this.positionAbs;
  		}
  
  		//Do scrolling
  		if(this.options.scroll) {
  			if(this.scrollParent[0] !== this.document[0] && this.scrollParent[0].tagName !== "HTML") {
  
  				if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) {
  					this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
  				} else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity) {
  					this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
  				}
  
  				if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) {
  					this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
  				} else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity) {
  					this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
  				}
  
  			} else {
  
  				if(event.pageY - this.document.scrollTop() < o.scrollSensitivity) {
  					scrolled = this.document.scrollTop(this.document.scrollTop() - o.scrollSpeed);
  				} else if(this.window.height() - (event.pageY - this.document.scrollTop()) < o.scrollSensitivity) {
  					scrolled = this.document.scrollTop(this.document.scrollTop() + o.scrollSpeed);
  				}
  
  				if(event.pageX - this.document.scrollLeft() < o.scrollSensitivity) {
  					scrolled = this.document.scrollLeft(this.document.scrollLeft() - o.scrollSpeed);
  				} else if(this.window.width() - (event.pageX - this.document.scrollLeft()) < o.scrollSensitivity) {
  					scrolled = this.document.scrollLeft(this.document.scrollLeft() + o.scrollSpeed);
  				}
  
  			}
  
  			if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) {
  				$.ui.ddmanager.prepareOffsets(this, event);
  			}
  		}
  
  		//Regenerate the absolute position used for position checks
  		this.positionAbs = this._convertPositionTo("absolute");
  
  		//Set the helper position
  		if(!this.options.axis || this.options.axis !== "y") {
  			this.helper[0].style.left = this.position.left+"px";
  		}
  		if(!this.options.axis || this.options.axis !== "x") {
  			this.helper[0].style.top = this.position.top+"px";
  		}
  
  		//Rearrange
  		for (i = this.items.length - 1; i >= 0; i--) {
  
  			//Cache variables and intersection, continue if no intersection
  			item = this.items[i];
  			itemElement = item.item[0];
  			intersection = this._intersectsWithPointer(item);
  			if (!intersection) {
  				continue;
  			}
  
  			// Only put the placeholder inside the current Container, skip all
  			// items from other containers. This works because when moving
  			// an item from one container to another the
  			// currentContainer is switched before the placeholder is moved.
  			//
  			// Without this, moving items in "sub-sortables" can cause
  			// the placeholder to jitter between the outer and inner container.
  			if (item.instance !== this.currentContainer) {
  				continue;
  			}
  
  			// cannot intersect with itself
  			// no useless actions that have been done before
  			// no action if the item moved is the parent of the item checked
  			if (itemElement !== this.currentItem[0] &&
  				this.placeholder[intersection === 1 ? "next" : "prev"]()[0] !== itemElement &&
  				!$.contains(this.placeholder[0], itemElement) &&
  				(this.options.type === "semi-dynamic" ? !$.contains(this.element[0], itemElement) : true)
  			) {
  
  				this.direction = intersection === 1 ? "down" : "up";
  
  				if (this.options.tolerance === "pointer" || this._intersectsWithSides(item)) {
  					this._rearrange(event, item);
  				} else {
  					break;
  				}
  
  				this._trigger("change", event, this._uiHash());
  				break;
  			}
  		}
  
  		//Post events to containers
  		this._contactContainers(event);
  
  		//Interconnect with droppables
  		if($.ui.ddmanager) {
  			$.ui.ddmanager.drag(this, event);
  		}
  
  		//Call callbacks
  		this._trigger("sort", event, this._uiHash());
  
  		this.lastPositionAbs = this.positionAbs;
  		return false;
  
  	},
  
  	_mouseStop: function(event, noPropagation) {
  
  		if(!event) {
  			return;
  		}
  
  		//If we are using droppables, inform the manager about the drop
  		if ($.ui.ddmanager && !this.options.dropBehaviour) {
  			$.ui.ddmanager.drop(this, event);
  		}
  
  		if(this.options.revert) {
  			var that = this,
  				cur = this.placeholder.offset(),
  				axis = this.options.axis,
  				animation = {};
  
  			if ( !axis || axis === "x" ) {
  				animation.left = cur.left - this.offset.parent.left - this.margins.left + (this.offsetParent[0] === this.document[0].body ? 0 : this.offsetParent[0].scrollLeft);
  			}
  			if ( !axis || axis === "y" ) {
  				animation.top = cur.top - this.offset.parent.top - this.margins.top + (this.offsetParent[0] === this.document[0].body ? 0 : this.offsetParent[0].scrollTop);
  			}
  			this.reverting = true;
  			$(this.helper).animate( animation, parseInt(this.options.revert, 10) || 500, function() {
  				that._clear(event);
  			});
  		} else {
  			this._clear(event, noPropagation);
  		}
  
  		return false;
  
  	},
  
  	cancel: function() {
  
  		if(this.dragging) {
  
  			this._mouseUp({ target: null });
  
  			if(this.options.helper === "original") {
  				this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
  			} else {
  				this.currentItem.show();
  			}
  
  			//Post deactivating events to containers
  			for (var i = this.containers.length - 1; i >= 0; i--){
  				this.containers[i]._trigger("deactivate", null, this._uiHash(this));
  				if(this.containers[i].containerCache.over) {
  					this.containers[i]._trigger("out", null, this._uiHash(this));
  					this.containers[i].containerCache.over = 0;
  				}
  			}
  
  		}
  
  		if (this.placeholder) {
  			//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
  			if(this.placeholder[0].parentNode) {
  				this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
  			}
  			if(this.options.helper !== "original" && this.helper && this.helper[0].parentNode) {
  				this.helper.remove();
  			}
  
  			$.extend(this, {
  				helper: null,
  				dragging: false,
  				reverting: false,
  				_noFinalSort: null
  			});
  
  			if(this.domPosition.prev) {
  				$(this.domPosition.prev).after(this.currentItem);
  			} else {
  				$(this.domPosition.parent).prepend(this.currentItem);
  			}
  		}
  
  		return this;
  
  	},
  
  	serialize: function(o) {
  
  		var items = this._getItemsAsjQuery(o && o.connected),
  			str = [];
  		o = o || {};
  
  		$(items).each(function() {
  			var res = ($(o.item || this).attr(o.attribute || "id") || "").match(o.expression || (/(.+)[\-=_](.+)/));
  			if (res) {
  				str.push((o.key || res[1]+"[]")+"="+(o.key && o.expression ? res[1] : res[2]));
  			}
  		});
  
  		if(!str.length && o.key) {
  			str.push(o.key + "=");
  		}
  
  		return str.join("&");
  
  	},
  
  	toArray: function(o) {
  
  		var items = this._getItemsAsjQuery(o && o.connected),
  			ret = [];
  
  		o = o || {};
  
  		items.each(function() { ret.push($(o.item || this).attr(o.attribute || "id") || ""); });
  		return ret;
  
  	},
  
  	/* Be careful with the following core functions */
  	_intersectsWith: function(item) {
  
  		var x1 = this.positionAbs.left,
  			x2 = x1 + this.helperProportions.width,
  			y1 = this.positionAbs.top,
  			y2 = y1 + this.helperProportions.height,
  			l = item.left,
  			r = l + item.width,
  			t = item.top,
  			b = t + item.height,
  			dyClick = this.offset.click.top,
  			dxClick = this.offset.click.left,
  			isOverElementHeight = ( this.options.axis === "x" ) || ( ( y1 + dyClick ) > t && ( y1 + dyClick ) < b ),
  			isOverElementWidth = ( this.options.axis === "y" ) || ( ( x1 + dxClick ) > l && ( x1 + dxClick ) < r ),
  			isOverElement = isOverElementHeight && isOverElementWidth;
  
  		if ( this.options.tolerance === "pointer" ||
  			this.options.forcePointerForContainers ||
  			(this.options.tolerance !== "pointer" && this.helperProportions[this.floating ? "width" : "height"] > item[this.floating ? "width" : "height"])
  		) {
  			return isOverElement;
  		} else {
  
  			return (l < x1 + (this.helperProportions.width / 2) && // Right Half
  				x2 - (this.helperProportions.width / 2) < r && // Left Half
  				t < y1 + (this.helperProportions.height / 2) && // Bottom Half
  				y2 - (this.helperProportions.height / 2) < b ); // Top Half
  
  		}
  	},
  
  	_intersectsWithPointer: function(item) {
  
  		var isOverElementHeight = (this.options.axis === "x") || this._isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
  			isOverElementWidth = (this.options.axis === "y") || this._isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
  			isOverElement = isOverElementHeight && isOverElementWidth,
  			verticalDirection = this._getDragVerticalDirection(),
  			horizontalDirection = this._getDragHorizontalDirection();
  
  		if (!isOverElement) {
  			return false;
  		}
  
  		return this.floating ?
  			( ((horizontalDirection && horizontalDirection === "right") || verticalDirection === "down") ? 2 : 1 )
  			: ( verticalDirection && (verticalDirection === "down" ? 2 : 1) );
  
  	},
  
  	_intersectsWithSides: function(item) {
  
  		var isOverBottomHalf = this._isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
  			isOverRightHalf = this._isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
  			verticalDirection = this._getDragVerticalDirection(),
  			horizontalDirection = this._getDragHorizontalDirection();
  
  		if (this.floating && horizontalDirection) {
  			return ((horizontalDirection === "right" && isOverRightHalf) || (horizontalDirection === "left" && !isOverRightHalf));
  		} else {
  			return verticalDirection && ((verticalDirection === "down" && isOverBottomHalf) || (verticalDirection === "up" && !isOverBottomHalf));
  		}
  
  	},
  
  	_getDragVerticalDirection: function() {
  		var delta = this.positionAbs.top - this.lastPositionAbs.top;
  		return delta !== 0 && (delta > 0 ? "down" : "up");
  	},
  
  	_getDragHorizontalDirection: function() {
  		var delta = this.positionAbs.left - this.lastPositionAbs.left;
  		return delta !== 0 && (delta > 0 ? "right" : "left");
  	},
  
  	refresh: function(event) {
  		this._refreshItems(event);
  		this._setHandleClassName();
  		this.refreshPositions();
  		return this;
  	},
  
  	_connectWith: function() {
  		var options = this.options;
  		return options.connectWith.constructor === String ? [options.connectWith] : options.connectWith;
  	},
  
  	_getItemsAsjQuery: function(connected) {
  
  		var i, j, cur, inst,
  			items = [],
  			queries = [],
  			connectWith = this._connectWith();
  
  		if(connectWith && connected) {
  			for (i = connectWith.length - 1; i >= 0; i--){
  				cur = $(connectWith[i], this.document[0]);
  				for ( j = cur.length - 1; j >= 0; j--){
  					inst = $.data(cur[j], this.widgetFullName);
  					if(inst && inst !== this && !inst.options.disabled) {
  						queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), inst]);
  					}
  				}
  			}
  		}
  
  		queries.push([$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), this]);
  
  		function addItems() {
  			items.push( this );
  		}
  		for (i = queries.length - 1; i >= 0; i--){
  			queries[i][0].each( addItems );
  		}
  
  		return $(items);
  
  	},
  
  	_removeCurrentsFromItems: function() {
  
  		var list = this.currentItem.find(":data(" + this.widgetName + "-item)");
  
  		this.items = $.grep(this.items, function (item) {
  			for (var j=0; j < list.length; j++) {
  				if(list[j] === item.item[0]) {
  					return false;
  				}
  			}
  			return true;
  		});
  
  	},
  
  	_refreshItems: function(event) {
  
  		this.items = [];
  		this.containers = [this];
  
  		var i, j, cur, inst, targetData, _queries, item, queriesLength,
  			items = this.items,
  			queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]],
  			connectWith = this._connectWith();
  
  		if(connectWith && this.ready) { //Shouldn't be run the first time through due to massive slow-down
  			for (i = connectWith.length - 1; i >= 0; i--){
  				cur = $(connectWith[i], this.document[0]);
  				for (j = cur.length - 1; j >= 0; j--){
  					inst = $.data(cur[j], this.widgetFullName);
  					if(inst && inst !== this && !inst.options.disabled) {
  						queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
  						this.containers.push(inst);
  					}
  				}
  			}
  		}
  
  		for (i = queries.length - 1; i >= 0; i--) {
  			targetData = queries[i][1];
  			_queries = queries[i][0];
  
  			for (j=0, queriesLength = _queries.length; j < queriesLength; j++) {
  				item = $(_queries[j]);
  
  				item.data(this.widgetName + "-item", targetData); // Data for target checking (mouse manager)
  
  				items.push({
  					item: item,
  					instance: targetData,
  					width: 0, height: 0,
  					left: 0, top: 0
  				});
  			}
  		}
  
  	},
  
  	refreshPositions: function(fast) {
  
  		// Determine whether items are being displayed horizontally
  		this.floating = this.items.length ?
  			this.options.axis === "x" || this._isFloating( this.items[ 0 ].item ) :
  			false;
  
  		//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
  		if(this.offsetParent && this.helper) {
  			this.offset.parent = this._getParentOffset();
  		}
  
  		var i, item, t, p;
  
  		for (i = this.items.length - 1; i >= 0; i--){
  			item = this.items[i];
  
  			//We ignore calculating positions of all connected containers when we're not over them
  			if(item.instance !== this.currentContainer && this.currentContainer && item.item[0] !== this.currentItem[0]) {
  				continue;
  			}
  
  			t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;
  
  			if (!fast) {
  				item.width = t.outerWidth();
  				item.height = t.outerHeight();
  			}
  
  			p = t.offset();
  			item.left = p.left;
  			item.top = p.top;
  		}
  
  		if(this.options.custom && this.options.custom.refreshContainers) {
  			this.options.custom.refreshContainers.call(this);
  		} else {
  			for (i = this.containers.length - 1; i >= 0; i--){
  				p = this.containers[i].element.offset();
  				this.containers[i].containerCache.left = p.left;
  				this.containers[i].containerCache.top = p.top;
  				this.containers[i].containerCache.width = this.containers[i].element.outerWidth();
  				this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
  			}
  		}
  
  		return this;
  	},
  
  	_createPlaceholder: function(that) {
  		that = that || this;
  		var className,
  			o = that.options;
  
  		if(!o.placeholder || o.placeholder.constructor === String) {
  			className = o.placeholder;
  			o.placeholder = {
  				element: function() {
  
  					var nodeName = that.currentItem[0].nodeName.toLowerCase(),
  						element = $( "<" + nodeName + ">", that.document[0] )
  							.addClass(className || that.currentItem[0].className+" ui-sortable-placeholder")
  							.removeClass("ui-sortable-helper");
  
  					if ( nodeName === "tbody" ) {
  						that._createTrPlaceholder(
  							that.currentItem.find( "tr" ).eq( 0 ),
  							$( "<tr>", that.document[ 0 ] ).appendTo( element )
  						);
  					} else if ( nodeName === "tr" ) {
  						that._createTrPlaceholder( that.currentItem, element );
  					} else if ( nodeName === "img" ) {
  						element.attr( "src", that.currentItem.attr( "src" ) );
  					}
  
  					if ( !className ) {
  						element.css( "visibility", "hidden" );
  					}
  
  					return element;
  				},
  				update: function(container, p) {
  
  					// 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that
  					// 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified
  					if(className && !o.forcePlaceholderSize) {
  						return;
  					}
  
  					//If the element doesn't have a actual height by itself (without styles coming from a stylesheet), it receives the inline height from the dragged item
  					if(!p.height()) { p.height(that.currentItem.innerHeight() - parseInt(that.currentItem.css("paddingTop")||0, 10) - parseInt(that.currentItem.css("paddingBottom")||0, 10)); }
  					if(!p.width()) { p.width(that.currentItem.innerWidth() - parseInt(that.currentItem.css("paddingLeft")||0, 10) - parseInt(that.currentItem.css("paddingRight")||0, 10)); }
  				}
  			};
  		}
  
  		//Create the placeholder
  		that.placeholder = $(o.placeholder.element.call(that.element, that.currentItem));
  
  		//Append it after the actual current item
  		that.currentItem.after(that.placeholder);
  
  		//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
  		o.placeholder.update(that, that.placeholder);
  
  	},
  
  	_createTrPlaceholder: function( sourceTr, targetTr ) {
  		var that = this;
  
  		sourceTr.children().each(function() {
  			$( "<td>&#160;</td>", that.document[ 0 ] )
  				.attr( "colspan", $( this ).attr( "colspan" ) || 1 )
  				.appendTo( targetTr );
  		});
  	},
  
  	_contactContainers: function(event) {
  		var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, cur, nearBottom, floating, axis,
  			innermostContainer = null,
  			innermostIndex = null;
  
  		// get innermost container that intersects with item
  		for (i = this.containers.length - 1; i >= 0; i--) {
  
  			// never consider a container that's located within the item itself
  			if($.contains(this.currentItem[0], this.containers[i].element[0])) {
  				continue;
  			}
  
  			if(this._intersectsWith(this.containers[i].containerCache)) {
  
  				// if we've already found a container and it's more "inner" than this, then continue
  				if(innermostContainer && $.contains(this.containers[i].element[0], innermostContainer.element[0])) {
  					continue;
  				}
  
  				innermostContainer = this.containers[i];
  				innermostIndex = i;
  
  			} else {
  				// container doesn't intersect. trigger "out" event if necessary
  				if(this.containers[i].containerCache.over) {
  					this.containers[i]._trigger("out", event, this._uiHash(this));
  					this.containers[i].containerCache.over = 0;
  				}
  			}
  
  		}
  
  		// if no intersecting containers found, return
  		if(!innermostContainer) {
  			return;
  		}
  
  		// move the item into the container if it's not there already
  		if(this.containers.length === 1) {
  			if (!this.containers[innermostIndex].containerCache.over) {
  				this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
  				this.containers[innermostIndex].containerCache.over = 1;
  			}
  		} else {
  
  			//When entering a new container, we will find the item with the least distance and append our item near it
  			dist = 10000;
  			itemWithLeastDistance = null;
  			floating = innermostContainer.floating || this._isFloating(this.currentItem);
  			posProperty = floating ? "left" : "top";
  			sizeProperty = floating ? "width" : "height";
  			axis = floating ? "clientX" : "clientY";
  
  			for (j = this.items.length - 1; j >= 0; j--) {
  				if(!$.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) {
  					continue;
  				}
  				if(this.items[j].item[0] === this.currentItem[0]) {
  					continue;
  				}
  
  				cur = this.items[j].item.offset()[posProperty];
  				nearBottom = false;
  				if ( event[ axis ] - cur > this.items[ j ][ sizeProperty ] / 2 ) {
  					nearBottom = true;
  				}
  
  				if ( Math.abs( event[ axis ] - cur ) < dist ) {
  					dist = Math.abs( event[ axis ] - cur );
  					itemWithLeastDistance = this.items[ j ];
  					this.direction = nearBottom ? "up": "down";
  				}
  			}
  
  			//Check if dropOnEmpty is enabled
  			if(!itemWithLeastDistance && !this.options.dropOnEmpty) {
  				return;
  			}
  
  			if(this.currentContainer === this.containers[innermostIndex]) {
  				if ( !this.currentContainer.containerCache.over ) {
  					this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash() );
  					this.currentContainer.containerCache.over = 1;
  				}
  				return;
  			}
  
  			itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[innermostIndex].element, true);
  			this._trigger("change", event, this._uiHash());
  			this.containers[innermostIndex]._trigger("change", event, this._uiHash(this));
  			this.currentContainer = this.containers[innermostIndex];
  
  			//Update the placeholder
  			this.options.placeholder.update(this.currentContainer, this.placeholder);
  
  			this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
  			this.containers[innermostIndex].containerCache.over = 1;
  		}
  
  
  	},
  
  	_createHelper: function(event) {
  
  		var o = this.options,
  			helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper === "clone" ? this.currentItem.clone() : this.currentItem);
  
  		//Add the helper to the DOM if that didn't happen already
  		if(!helper.parents("body").length) {
  			$(o.appendTo !== "parent" ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);
  		}
  
  		if(helper[0] === this.currentItem[0]) {
  			this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };
  		}
  
  		if(!helper[0].style.width || o.forceHelperSize) {
  			helper.width(this.currentItem.width());
  		}
  		if(!helper[0].style.height || o.forceHelperSize) {
  			helper.height(this.currentItem.height());
  		}
  
  		return helper;
  
  	},
  
  	_adjustOffsetFromHelper: function(obj) {
  		if (typeof obj === "string") {
  			obj = obj.split(" ");
  		}
  		if ($.isArray(obj)) {
  			obj = {left: +obj[0], top: +obj[1] || 0};
  		}
  		if ("left" in obj) {
  			this.offset.click.left = obj.left + this.margins.left;
  		}
  		if ("right" in obj) {
  			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
  		}
  		if ("top" in obj) {
  			this.offset.click.top = obj.top + this.margins.top;
  		}
  		if ("bottom" in obj) {
  			this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
  		}
  	},
  
  	_getParentOffset: function() {
  
  
  		//Get the offsetParent and cache its position
  		this.offsetParent = this.helper.offsetParent();
  		var po = this.offsetParent.offset();
  
  		// This is a special case where we need to modify a offset calculated on start, since the following happened:
  		// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
  		// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
  		//    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
  		if(this.cssPosition === "absolute" && this.scrollParent[0] !== this.document[0] && $.contains(this.scrollParent[0], this.offsetParent[0])) {
  			po.left += this.scrollParent.scrollLeft();
  			po.top += this.scrollParent.scrollTop();
  		}
  
  		// This needs to be actually done for all browsers, since pageX/pageY includes this information
  		// with an ugly IE fix
  		if( this.offsetParent[0] === this.document[0].body || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() === "html" && $.ui.ie)) {
  			po = { top: 0, left: 0 };
  		}
  
  		return {
  			top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
  			left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
  		};
  
  	},
  
  	_getRelativeOffset: function() {
  
  		if(this.cssPosition === "relative") {
  			var p = this.currentItem.position();
  			return {
  				top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
  				left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
  			};
  		} else {
  			return { top: 0, left: 0 };
  		}
  
  	},
  
  	_cacheMargins: function() {
  		this.margins = {
  			left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
  			top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
  		};
  	},
  
  	_cacheHelperProportions: function() {
  		this.helperProportions = {
  			width: this.helper.outerWidth(),
  			height: this.helper.outerHeight()
  		};
  	},
  
  	_setContainment: function() {
  
  		var ce, co, over,
  			o = this.options;
  		if(o.containment === "parent") {
  			o.containment = this.helper[0].parentNode;
  		}
  		if(o.containment === "document" || o.containment === "window") {
  			this.containment = [
  				0 - this.offset.relative.left - this.offset.parent.left,
  				0 - this.offset.relative.top - this.offset.parent.top,
  				o.containment === "document" ? this.document.width() : this.window.width() - this.helperProportions.width - this.margins.left,
  				(o.containment === "document" ? this.document.width() : this.window.height() || this.document[0].body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
  			];
  		}
  
  		if(!(/^(document|window|parent)$/).test(o.containment)) {
  			ce = $(o.containment)[0];
  			co = $(o.containment).offset();
  			over = ($(ce).css("overflow") !== "hidden");
  
  			this.containment = [
  				co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left,
  				co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top,
  				co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left,
  				co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top
  			];
  		}
  
  	},
  
  	_convertPositionTo: function(d, pos) {
  
  		if(!pos) {
  			pos = this.position;
  		}
  		var mod = d === "absolute" ? 1 : -1,
  			scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== this.document[0] && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent,
  			scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
  
  		return {
  			top: (
  				pos.top	+																// The absolute mouse position
  				this.offset.relative.top * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
  				this.offset.parent.top * mod -											// The offsetParent's offset without borders (offset + border)
  				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
  			),
  			left: (
  				pos.left +																// The absolute mouse position
  				this.offset.relative.left * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
  				this.offset.parent.left * mod	-										// The offsetParent's offset without borders (offset + border)
  				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
  			)
  		};
  
  	},
  
  	_generatePosition: function(event) {
  
  		var top, left,
  			o = this.options,
  			pageX = event.pageX,
  			pageY = event.pageY,
  			scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== this.document[0] && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
  
  		// This is another very weird special case that only happens for relative elements:
  		// 1. If the css position is relative
  		// 2. and the scroll parent is the document or similar to the offset parent
  		// we have to refresh the relative offset during the scroll so there are no jumps
  		if(this.cssPosition === "relative" && !(this.scrollParent[0] !== this.document[0] && this.scrollParent[0] !== this.offsetParent[0])) {
  			this.offset.relative = this._getRelativeOffset();
  		}
  
  		/*
  		 * - Position constraining -
  		 * Constrain the position to a mix of grid, containment.
  		 */
  
  		if(this.originalPosition) { //If we are not dragging yet, we won't check for options
  
  			if(this.containment) {
  				if(event.pageX - this.offset.click.left < this.containment[0]) {
  					pageX = this.containment[0] + this.offset.click.left;
  				}
  				if(event.pageY - this.offset.click.top < this.containment[1]) {
  					pageY = this.containment[1] + this.offset.click.top;
  				}
  				if(event.pageX - this.offset.click.left > this.containment[2]) {
  					pageX = this.containment[2] + this.offset.click.left;
  				}
  				if(event.pageY - this.offset.click.top > this.containment[3]) {
  					pageY = this.containment[3] + this.offset.click.top;
  				}
  			}
  
  			if(o.grid) {
  				top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
  				pageY = this.containment ? ( (top - this.offset.click.top >= this.containment[1] && top - this.offset.click.top <= this.containment[3]) ? top : ((top - this.offset.click.top >= this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
  
  				left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
  				pageX = this.containment ? ( (left - this.offset.click.left >= this.containment[0] && left - this.offset.click.left <= this.containment[2]) ? left : ((left - this.offset.click.left >= this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
  			}
  
  		}
  
  		return {
  			top: (
  				pageY -																// The absolute mouse position
  				this.offset.click.top -													// Click offset (relative to the element)
  				this.offset.relative.top	-											// Only for relative positioned nodes: Relative offset from element to offset parent
  				this.offset.parent.top +												// The offsetParent's offset without borders (offset + border)
  				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
  			),
  			left: (
  				pageX -																// The absolute mouse position
  				this.offset.click.left -												// Click offset (relative to the element)
  				this.offset.relative.left	-											// Only for relative positioned nodes: Relative offset from element to offset parent
  				this.offset.parent.left +												// The offsetParent's offset without borders (offset + border)
  				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
  			)
  		};
  
  	},
  
  	_rearrange: function(event, i, a, hardRefresh) {
  
  		a ? a[0].appendChild(this.placeholder[0]) : i.item[0].parentNode.insertBefore(this.placeholder[0], (this.direction === "down" ? i.item[0] : i.item[0].nextSibling));
  
  		//Various things done here to improve the performance:
  		// 1. we create a setTimeout, that calls refreshPositions
  		// 2. on the instance, we have a counter variable, that get's higher after every append
  		// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
  		// 4. this lets only the last addition to the timeout stack through
  		this.counter = this.counter ? ++this.counter : 1;
  		var counter = this.counter;
  
  		this._delay(function() {
  			if(counter === this.counter) {
  				this.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
  			}
  		});
  
  	},
  
  	_clear: function(event, noPropagation) {
  
  		this.reverting = false;
  		// We delay all events that have to be triggered to after the point where the placeholder has been removed and
  		// everything else normalized again
  		var i,
  			delayedTriggers = [];
  
  		// We first have to update the dom position of the actual currentItem
  		// Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
  		if(!this._noFinalSort && this.currentItem.parent().length) {
  			this.placeholder.before(this.currentItem);
  		}
  		this._noFinalSort = null;
  
  		if(this.helper[0] === this.currentItem[0]) {
  			for(i in this._storedCSS) {
  				if(this._storedCSS[i] === "auto" || this._storedCSS[i] === "static") {
  					this._storedCSS[i] = "";
  				}
  			}
  			this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
  		} else {
  			this.currentItem.show();
  		}
  
  		if(this.fromOutside && !noPropagation) {
  			delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
  		}
  		if((this.fromOutside || this.domPosition.prev !== this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent !== this.currentItem.parent()[0]) && !noPropagation) {
  			delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
  		}
  
  		// Check if the items Container has Changed and trigger appropriate
  		// events.
  		if (this !== this.currentContainer) {
  			if(!noPropagation) {
  				delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
  				delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); };  }).call(this, this.currentContainer));
  				delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this));  }; }).call(this, this.currentContainer));
  			}
  		}
  
  
  		//Post events to containers
  		function delayEvent( type, instance, container ) {
  			return function( event ) {
  				container._trigger( type, event, instance._uiHash( instance ) );
  			};
  		}
  		for (i = this.containers.length - 1; i >= 0; i--){
  			if (!noPropagation) {
  				delayedTriggers.push( delayEvent( "deactivate", this, this.containers[ i ] ) );
  			}
  			if(this.containers[i].containerCache.over) {
  				delayedTriggers.push( delayEvent( "out", this, this.containers[ i ] ) );
  				this.containers[i].containerCache.over = 0;
  			}
  		}
  
  		//Do what was originally in plugins
  		if ( this.storedCursor ) {
  			this.document.find( "body" ).css( "cursor", this.storedCursor );
  			this.storedStylesheet.remove();
  		}
  		if(this._storedOpacity) {
  			this.helper.css("opacity", this._storedOpacity);
  		}
  		if(this._storedZIndex) {
  			this.helper.css("zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex);
  		}
  
  		this.dragging = false;
  
  		if(!noPropagation) {
  			this._trigger("beforeStop", event, this._uiHash());
  		}
  
  		//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
  		this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
  
  		if ( !this.cancelHelperRemoval ) {
  			if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) {
  				this.helper.remove();
  			}
  			this.helper = null;
  		}
  
  		if(!noPropagation) {
  			for (i=0; i < delayedTriggers.length; i++) {
  				delayedTriggers[i].call(this, event);
  			} //Trigger all delayed events
  			this._trigger("stop", event, this._uiHash());
  		}
  
  		this.fromOutside = false;
  		return !this.cancelHelperRemoval;
  
  	},
  
  	_trigger: function() {
  		if ($.Widget.prototype._trigger.apply(this, arguments) === false) {
  			this.cancel();
  		}
  	},
  
  	_uiHash: function(_inst) {
  		var inst = _inst || this;
  		return {
  			helper: inst.helper,
  			placeholder: inst.placeholder || $([]),
  			position: inst.position,
  			originalPosition: inst.originalPosition,
  			offset: inst.positionAbs,
  			item: inst.currentItem,
  			sender: _inst ? _inst.element : null
  		};
  	}
  
  });
  
  
  /*!
   * jQuery UI Datepicker 1.11.4
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * http://api.jqueryui.com/datepicker/
   */
  
  
  $.extend($.ui, { datepicker: { version: "1.11.4" } });
  
  var datepicker_instActive;
  
  function datepicker_getZindex( elem ) {
  	var 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;
  }
  /* Date picker manager.
     Use the singleton instance of this class, $.datepicker, to interact with the date picker.
     Settings for (groups of) date pickers are maintained in an instance object,
     allowing multiple different settings on the same page. */
  
  function Datepicker() {
  	this._curInst = null; // The current instance in use
  	this._keyEvent = false; // If the last event was a key event
  	this._disabledInputs = []; // List of date picker inputs that have been disabled
  	this._datepickerShowing = false; // True if the popup picker is showing , false if not
  	this._inDialog = false; // True if showing within a "dialog", false if not
  	this._mainDivId = "ui-datepicker-div"; // The ID of the main datepicker division
  	this._inlineClass = "ui-datepicker-inline"; // The name of the inline marker class
  	this._appendClass = "ui-datepicker-append"; // The name of the append marker class
  	this._triggerClass = "ui-datepicker-trigger"; // The name of the trigger marker class
  	this._dialogClass = "ui-datepicker-dialog"; // The name of the dialog marker class
  	this._disableClass = "ui-datepicker-disabled"; // The name of the disabled covering marker class
  	this._unselectableClass = "ui-datepicker-unselectable"; // The name of the unselectable cell marker class
  	this._currentClass = "ui-datepicker-current-day"; // The name of the current day marker class
  	this._dayOverClass = "ui-datepicker-days-cell-over"; // The name of the day hover marker class
  	this.regional = []; // Available regional settings, indexed by language code
  	this.regional[""] = { // Default regional settings
  		closeText: "Done", // Display text for close link
  		prevText: "Prev", // Display text for previous month link
  		nextText: "Next", // Display text for next month link
  		currentText: "Today", // Display text for current month link
  		monthNames: ["January","February","March","April","May","June",
  			"July","August","September","October","November","December"], // Names of months for drop-down and formatting
  		monthNamesShort: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"], // For formatting
  		dayNames: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], // For formatting
  		dayNamesShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], // For formatting
  		dayNamesMin: ["Su","Mo","Tu","We","Th","Fr","Sa"], // Column headings for days starting at Sunday
  		weekHeader: "Wk", // Column header for week of the year
  		dateFormat: "mm/dd/yy", // See format options on parseDate
  		firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
  		isRTL: false, // True if right-to-left language, false if left-to-right
  		showMonthAfterYear: false, // True if the year select precedes month, false for month then year
  		yearSuffix: "" // Additional text to append to the year in the month headers
  	};
  	this._defaults = { // Global defaults for all the date picker instances
  		showOn: "focus", // "focus" for popup on focus,
  			// "button" for trigger button, or "both" for either
  		showAnim: "fadeIn", // Name of jQuery animation for popup
  		showOptions: {}, // Options for enhanced animations
  		defaultDate: null, // Used when field is blank: actual date,
  			// +/-number for offset from today, null for today
  		appendText: "", // Display text following the input box, e.g. showing the format
  		buttonText: "...", // Text for trigger button
  		buttonImage: "", // URL for trigger button image
  		buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
  		hideIfNoPrevNext: false, // True to hide next/previous month links
  			// if not applicable, false to just disable them
  		navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
  		gotoCurrent: false, // True if today link goes back to current selection instead
  		changeMonth: false, // True if month can be selected directly, false if only prev/next
  		changeYear: false, // True if year can be selected directly, false if only prev/next
  		yearRange: "c-10:c+10", // Range of years to display in drop-down,
  			// either relative to today's year (-nn:+nn), relative to currently displayed year
  			// (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
  		showOtherMonths: false, // True to show dates in other months, false to leave blank
  		selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
  		showWeek: false, // True to show week of the year, false to not show it
  		calculateWeek: this.iso8601Week, // How to calculate the week of the year,
  			// takes a Date and returns the number of the week for it
  		shortYearCutoff: "+10", // Short year values < this are in the current century,
  			// > this are in the previous century,
  			// string value starting with "+" for current year + value
  		minDate: null, // The earliest selectable date, or null for no limit
  		maxDate: null, // The latest selectable date, or null for no limit
  		duration: "fast", // Duration of display/closure
  		beforeShowDay: null, // Function that takes a date and returns an array with
  			// [0] = true if selectable, false if not, [1] = custom CSS class name(s) or "",
  			// [2] = cell title (optional), e.g. $.datepicker.noWeekends
  		beforeShow: null, // Function that takes an input field and
  			// returns a set of custom settings for the date picker
  		onSelect: null, // Define a callback function when a date is selected
  		onChangeMonthYear: null, // Define a callback function when the month or year is changed
  		onClose: null, // Define a callback function when the datepicker is closed
  		numberOfMonths: 1, // Number of months to show at a time
  		showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
  		stepMonths: 1, // Number of months to step back/forward
  		stepBigMonths: 12, // Number of months to step back/forward for the big links
  		altField: "", // Selector for an alternate field to store selected dates into
  		altFormat: "", // The date format to use for the alternate field
  		constrainInput: true, // The input is constrained by the current date format
  		showButtonPanel: false, // True to show button panel, false to not show it
  		autoSize: false, // True to size the input for the date format, false to leave as is
  		disabled: false // The initial disabled state
  	};
  	$.extend(this._defaults, this.regional[""]);
  	this.regional.en = $.extend( true, {}, this.regional[ "" ]);
  	this.regional[ "en-US" ] = $.extend( true, {}, this.regional.en );
  	this.dpDiv = datepicker_bindHover($("<div id='" + this._mainDivId + "' class='ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>"));
  }
  
  $.extend(Datepicker.prototype, {
  	/* Class name added to elements to indicate already configured with a date picker. */
  	markerClassName: "hasDatepicker",
  
  	//Keep track of the maximum number of rows displayed (see #7043)
  	maxRows: 4,
  
  	// TODO rename to "widget" when switching to widget factory
  	_widgetDatepicker: function() {
  		return this.dpDiv;
  	},
  
  	/* Override the default settings for all instances of the date picker.
  	 * @param  settings  object - the new settings to use as defaults (anonymous object)
  	 * @return the manager object
  	 */
  	setDefaults: function(settings) {
  		datepicker_extendRemove(this._defaults, settings || {});
  		return this;
  	},
  
  	/* Attach the date picker to a jQuery selection.
  	 * @param  target	element - the target input field or division or span
  	 * @param  settings  object - the new settings to use for this date picker instance (anonymous)
  	 */
  	_attachDatepicker: function(target, settings) {
  		var nodeName, inline, inst;
  		nodeName = target.nodeName.toLowerCase();
  		inline = (nodeName === "div" || nodeName === "span");
  		if (!target.id) {
  			this.uuid += 1;
  			target.id = "dp" + this.uuid;
  		}
  		inst = this._newInst($(target), inline);
  		inst.settings = $.extend({}, settings || {});
  		if (nodeName === "input") {
  			this._connectDatepicker(target, inst);
  		} else if (inline) {
  			this._inlineDatepicker(target, inst);
  		}
  	},
  
  	/* Create a new instance object. */
  	_newInst: function(target, inline) {
  		var id = target[0].id.replace(/([^A-Za-z0-9_\-])/g, "\\\\$1"); // escape jQuery meta chars
  		return {id: id, input: target, // associated target
  			selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
  			drawMonth: 0, drawYear: 0, // month being drawn
  			inline: inline, // is datepicker inline or not
  			dpDiv: (!inline ? this.dpDiv : // presentation div
  			datepicker_bindHover($("<div class='" + this._inlineClass + " ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>")))};
  	},
  
  	/* Attach the date picker to an input field. */
  	_connectDatepicker: function(target, inst) {
  		var input = $(target);
  		inst.append = $([]);
  		inst.trigger = $([]);
  		if (input.hasClass(this.markerClassName)) {
  			return;
  		}
  		this._attachments(input, inst);
  		input.addClass(this.markerClassName).keydown(this._doKeyDown).
  			keypress(this._doKeyPress).keyup(this._doKeyUp);
  		this._autoSize(inst);
  		$.data(target, "datepicker", inst);
  		//If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)
  		if( inst.settings.disabled ) {
  			this._disableDatepicker( target );
  		}
  	},
  
  	/* Make attachments based on settings. */
  	_attachments: function(input, inst) {
  		var showOn, buttonText, buttonImage,
  			appendText = this._get(inst, "appendText"),
  			isRTL = this._get(inst, "isRTL");
  
  		if (inst.append) {
  			inst.append.remove();
  		}
  		if (appendText) {
  			inst.append = $("<span class='" + this._appendClass + "'>" + appendText + "</span>");
  			input[isRTL ? "before" : "after"](inst.append);
  		}
  
  		input.unbind("focus", this._showDatepicker);
  
  		if (inst.trigger) {
  			inst.trigger.remove();
  		}
  
  		showOn = this._get(inst, "showOn");
  		if (showOn === "focus" || showOn === "both") { // pop-up date picker when in the marked field
  			input.focus(this._showDatepicker);
  		}
  		if (showOn === "button" || showOn === "both") { // pop-up date picker when button clicked
  			buttonText = this._get(inst, "buttonText");
  			buttonImage = this._get(inst, "buttonImage");
  			inst.trigger = $(this._get(inst, "buttonImageOnly") ?
  				$("<img/>").addClass(this._triggerClass).
  					attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
  				$("<button type='button'></button>").addClass(this._triggerClass).
  					html(!buttonImage ? buttonText : $("<img/>").attr(
  					{ src:buttonImage, alt:buttonText, title:buttonText })));
  			input[isRTL ? "before" : "after"](inst.trigger);
  			inst.trigger.click(function() {
  				if ($.datepicker._datepickerShowing && $.datepicker._lastInput === input[0]) {
  					$.datepicker._hideDatepicker();
  				} else if ($.datepicker._datepickerShowing && $.datepicker._lastInput !== input[0]) {
  					$.datepicker._hideDatepicker();
  					$.datepicker._showDatepicker(input[0]);
  				} else {
  					$.datepicker._showDatepicker(input[0]);
  				}
  				return false;
  			});
  		}
  	},
  
  	/* Apply the maximum length for the date format. */
  	_autoSize: function(inst) {
  		if (this._get(inst, "autoSize") && !inst.inline) {
  			var findMax, max, maxI, i,
  				date = new Date(2009, 12 - 1, 20), // Ensure double digits
  				dateFormat = this._get(inst, "dateFormat");
  
  			if (dateFormat.match(/[DM]/)) {
  				findMax = function(names) {
  					max = 0;
  					maxI = 0;
  					for (i = 0; i < names.length; i++) {
  						if (names[i].length > max) {
  							max = names[i].length;
  							maxI = i;
  						}
  					}
  					return maxI;
  				};
  				date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?
  					"monthNames" : "monthNamesShort"))));
  				date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?
  					"dayNames" : "dayNamesShort"))) + 20 - date.getDay());
  			}
  			inst.input.attr("size", this._formatDate(inst, date).length);
  		}
  	},
  
  	/* Attach an inline date picker to a div. */
  	_inlineDatepicker: function(target, inst) {
  		var divSpan = $(target);
  		if (divSpan.hasClass(this.markerClassName)) {
  			return;
  		}
  		divSpan.addClass(this.markerClassName).append(inst.dpDiv);
  		$.data(target, "datepicker", inst);
  		this._setDate(inst, this._getDefaultDate(inst), true);
  		this._updateDatepicker(inst);
  		this._updateAlternate(inst);
  		//If disabled option is true, disable the datepicker before showing it (see ticket #5665)
  		if( inst.settings.disabled ) {
  			this._disableDatepicker( target );
  		}
  		// Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
  		// http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
  		inst.dpDiv.css( "display", "block" );
  	},
  
  	/* Pop-up the date picker in a "dialog" box.
  	 * @param  input element - ignored
  	 * @param  date	string or Date - the initial date to display
  	 * @param  onSelect  function - the function to call when a date is selected
  	 * @param  settings  object - update the dialog date picker instance's settings (anonymous object)
  	 * @param  pos int[2] - coordinates for the dialog's position within the screen or
  	 *					event - with x/y coordinates or
  	 *					leave empty for default (screen centre)
  	 * @return the manager object
  	 */
  	_dialogDatepicker: function(input, date, onSelect, settings, pos) {
  		var id, browserWidth, browserHeight, scrollX, scrollY,
  			inst = this._dialogInst; // internal instance
  
  		if (!inst) {
  			this.uuid += 1;
  			id = "dp" + this.uuid;
  			this._dialogInput = $("<input type='text' id='" + id +
  				"' style='position: absolute; top: -100px; width: 0px;'/>");
  			this._dialogInput.keydown(this._doKeyDown);
  			$("body").append(this._dialogInput);
  			inst = this._dialogInst = this._newInst(this._dialogInput, false);
  			inst.settings = {};
  			$.data(this._dialogInput[0], "datepicker", inst);
  		}
  		datepicker_extendRemove(inst.settings, settings || {});
  		date = (date && date.constructor === Date ? this._formatDate(inst, date) : date);
  		this._dialogInput.val(date);
  
  		this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
  		if (!this._pos) {
  			browserWidth = document.documentElement.clientWidth;
  			browserHeight = document.documentElement.clientHeight;
  			scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
  			scrollY = document.documentElement.scrollTop || document.body.scrollTop;
  			this._pos = // should use actual width/height below
  				[(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
  		}
  
  		// move input on screen for focus, but hidden behind dialog
  		this._dialogInput.css("left", (this._pos[0] + 20) + "px").css("top", this._pos[1] + "px");
  		inst.settings.onSelect = onSelect;
  		this._inDialog = true;
  		this.dpDiv.addClass(this._dialogClass);
  		this._showDatepicker(this._dialogInput[0]);
  		if ($.blockUI) {
  			$.blockUI(this.dpDiv);
  		}
  		$.data(this._dialogInput[0], "datepicker", inst);
  		return this;
  	},
  
  	/* Detach a datepicker from its control.
  	 * @param  target	element - the target input field or division or span
  	 */
  	_destroyDatepicker: function(target) {
  		var nodeName,
  			$target = $(target),
  			inst = $.data(target, "datepicker");
  
  		if (!$target.hasClass(this.markerClassName)) {
  			return;
  		}
  
  		nodeName = target.nodeName.toLowerCase();
  		$.removeData(target, "datepicker");
  		if (nodeName === "input") {
  			inst.append.remove();
  			inst.trigger.remove();
  			$target.removeClass(this.markerClassName).
  				unbind("focus", this._showDatepicker).
  				unbind("keydown", this._doKeyDown).
  				unbind("keypress", this._doKeyPress).
  				unbind("keyup", this._doKeyUp);
  		} else if (nodeName === "div" || nodeName === "span") {
  			$target.removeClass(this.markerClassName).empty();
  		}
  
  		if ( datepicker_instActive === inst ) {
  			datepicker_instActive = null;
  		}
  	},
  
  	/* Enable the date picker to a jQuery selection.
  	 * @param  target	element - the target input field or division or span
  	 */
  	_enableDatepicker: function(target) {
  		var nodeName, inline,
  			$target = $(target),
  			inst = $.data(target, "datepicker");
  
  		if (!$target.hasClass(this.markerClassName)) {
  			return;
  		}
  
  		nodeName = target.nodeName.toLowerCase();
  		if (nodeName === "input") {
  			target.disabled = false;
  			inst.trigger.filter("button").
  				each(function() { this.disabled = false; }).end().
  				filter("img").css({opacity: "1.0", cursor: ""});
  		} else if (nodeName === "div" || nodeName === "span") {
  			inline = $target.children("." + this._inlineClass);
  			inline.children().removeClass("ui-state-disabled");
  			inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
  				prop("disabled", false);
  		}
  		this._disabledInputs = $.map(this._disabledInputs,
  			function(value) { return (value === target ? null : value); }); // delete entry
  	},
  
  	/* Disable the date picker to a jQuery selection.
  	 * @param  target	element - the target input field or division or span
  	 */
  	_disableDatepicker: function(target) {
  		var nodeName, inline,
  			$target = $(target),
  			inst = $.data(target, "datepicker");
  
  		if (!$target.hasClass(this.markerClassName)) {
  			return;
  		}
  
  		nodeName = target.nodeName.toLowerCase();
  		if (nodeName === "input") {
  			target.disabled = true;
  			inst.trigger.filter("button").
  				each(function() { this.disabled = true; }).end().
  				filter("img").css({opacity: "0.5", cursor: "default"});
  		} else if (nodeName === "div" || nodeName === "span") {
  			inline = $target.children("." + this._inlineClass);
  			inline.children().addClass("ui-state-disabled");
  			inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
  				prop("disabled", true);
  		}
  		this._disabledInputs = $.map(this._disabledInputs,
  			function(value) { return (value === target ? null : value); }); // delete entry
  		this._disabledInputs[this._disabledInputs.length] = target;
  	},
  
  	/* Is the first field in a jQuery collection disabled as a datepicker?
  	 * @param  target	element - the target input field or division or span
  	 * @return boolean - true if disabled, false if enabled
  	 */
  	_isDisabledDatepicker: function(target) {
  		if (!target) {
  			return false;
  		}
  		for (var i = 0; i < this._disabledInputs.length; i++) {
  			if (this._disabledInputs[i] === target) {
  				return true;
  			}
  		}
  		return false;
  	},
  
  	/* Retrieve the instance data for the target control.
  	 * @param  target  element - the target input field or division or span
  	 * @return  object - the associated instance data
  	 * @throws  error if a jQuery problem getting data
  	 */
  	_getInst: function(target) {
  		try {
  			return $.data(target, "datepicker");
  		}
  		catch (err) {
  			throw "Missing instance data for this datepicker";
  		}
  	},
  
  	/* Update or retrieve the settings for a date picker attached to an input field or division.
  	 * @param  target  element - the target input field or division or span
  	 * @param  name	object - the new settings to update or
  	 *				string - the name of the setting to change or retrieve,
  	 *				when retrieving also "all" for all instance settings or
  	 *				"defaults" for all global defaults
  	 * @param  value   any - the new value for the setting
  	 *				(omit if above is an object or to retrieve a value)
  	 */
  	_optionDatepicker: function(target, name, value) {
  		var settings, date, minDate, maxDate,
  			inst = this._getInst(target);
  
  		if (arguments.length === 2 && typeof name === "string") {
  			return (name === "defaults" ? $.extend({}, $.datepicker._defaults) :
  				(inst ? (name === "all" ? $.extend({}, inst.settings) :
  				this._get(inst, name)) : null));
  		}
  
  		settings = name || {};
  		if (typeof name === "string") {
  			settings = {};
  			settings[name] = value;
  		}
  
  		if (inst) {
  			if (this._curInst === inst) {
  				this._hideDatepicker();
  			}
  
  			date = this._getDateDatepicker(target, true);
  			minDate = this._getMinMaxDate(inst, "min");
  			maxDate = this._getMinMaxDate(inst, "max");
  			datepicker_extendRemove(inst.settings, settings);
  			// reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
  			if (minDate !== null && settings.dateFormat !== undefined && settings.minDate === undefined) {
  				inst.settings.minDate = this._formatDate(inst, minDate);
  			}
  			if (maxDate !== null && settings.dateFormat !== undefined && settings.maxDate === undefined) {
  				inst.settings.maxDate = this._formatDate(inst, maxDate);
  			}
  			if ( "disabled" in settings ) {
  				if ( settings.disabled ) {
  					this._disableDatepicker(target);
  				} else {
  					this._enableDatepicker(target);
  				}
  			}
  			this._attachments($(target), inst);
  			this._autoSize(inst);
  			this._setDate(inst, date);
  			this._updateAlternate(inst);
  			this._updateDatepicker(inst);
  		}
  	},
  
  	// change method deprecated
  	_changeDatepicker: function(target, name, value) {
  		this._optionDatepicker(target, name, value);
  	},
  
  	/* Redraw the date picker attached to an input field or division.
  	 * @param  target  element - the target input field or division or span
  	 */
  	_refreshDatepicker: function(target) {
  		var inst = this._getInst(target);
  		if (inst) {
  			this._updateDatepicker(inst);
  		}
  	},
  
  	/* Set the dates for a jQuery selection.
  	 * @param  target element - the target input field or division or span
  	 * @param  date	Date - the new date
  	 */
  	_setDateDatepicker: function(target, date) {
  		var inst = this._getInst(target);
  		if (inst) {
  			this._setDate(inst, date);
  			this._updateDatepicker(inst);
  			this._updateAlternate(inst);
  		}
  	},
  
  	/* Get the date(s) for the first entry in a jQuery selection.
  	 * @param  target element - the target input field or division or span
  	 * @param  noDefault boolean - true if no default date is to be used
  	 * @return Date - the current date
  	 */
  	_getDateDatepicker: function(target, noDefault) {
  		var inst = this._getInst(target);
  		if (inst && !inst.inline) {
  			this._setDateFromField(inst, noDefault);
  		}
  		return (inst ? this._getDate(inst) : null);
  	},
  
  	/* Handle keystrokes. */
  	_doKeyDown: function(event) {
  		var onSelect, dateStr, sel,
  			inst = $.datepicker._getInst(event.target),
  			handled = true,
  			isRTL = inst.dpDiv.is(".ui-datepicker-rtl");
  
  		inst._keyEvent = true;
  		if ($.datepicker._datepickerShowing) {
  			switch (event.keyCode) {
  				case 9: $.datepicker._hideDatepicker();
  						handled = false;
  						break; // hide on tab out
  				case 13: sel = $("td." + $.datepicker._dayOverClass + ":not(." +
  									$.datepicker._currentClass + ")", inst.dpDiv);
  						if (sel[0]) {
  							$.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
  						}
  
  						onSelect = $.datepicker._get(inst, "onSelect");
  						if (onSelect) {
  							dateStr = $.datepicker._formatDate(inst);
  
  							// trigger custom callback
  							onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);
  						} else {
  							$.datepicker._hideDatepicker();
  						}
  
  						return false; // don't submit the form
  				case 27: $.datepicker._hideDatepicker();
  						break; // hide on escape
  				case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
  							-$.datepicker._get(inst, "stepBigMonths") :
  							-$.datepicker._get(inst, "stepMonths")), "M");
  						break; // previous month/year on page up/+ ctrl
  				case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
  							+$.datepicker._get(inst, "stepBigMonths") :
  							+$.datepicker._get(inst, "stepMonths")), "M");
  						break; // next month/year on page down/+ ctrl
  				case 35: if (event.ctrlKey || event.metaKey) {
  							$.datepicker._clearDate(event.target);
  						}
  						handled = event.ctrlKey || event.metaKey;
  						break; // clear on ctrl or command +end
  				case 36: if (event.ctrlKey || event.metaKey) {
  							$.datepicker._gotoToday(event.target);
  						}
  						handled = event.ctrlKey || event.metaKey;
  						break; // current on ctrl or command +home
  				case 37: if (event.ctrlKey || event.metaKey) {
  							$.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), "D");
  						}
  						handled = event.ctrlKey || event.metaKey;
  						// -1 day on ctrl or command +left
  						if (event.originalEvent.altKey) {
  							$.datepicker._adjustDate(event.target, (event.ctrlKey ?
  								-$.datepicker._get(inst, "stepBigMonths") :
  								-$.datepicker._get(inst, "stepMonths")), "M");
  						}
  						// next month/year on alt +left on Mac
  						break;
  				case 38: if (event.ctrlKey || event.metaKey) {
  							$.datepicker._adjustDate(event.target, -7, "D");
  						}
  						handled = event.ctrlKey || event.metaKey;
  						break; // -1 week on ctrl or command +up
  				case 39: if (event.ctrlKey || event.metaKey) {
  							$.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), "D");
  						}
  						handled = event.ctrlKey || event.metaKey;
  						// +1 day on ctrl or command +right
  						if (event.originalEvent.altKey) {
  							$.datepicker._adjustDate(event.target, (event.ctrlKey ?
  								+$.datepicker._get(inst, "stepBigMonths") :
  								+$.datepicker._get(inst, "stepMonths")), "M");
  						}
  						// next month/year on alt +right
  						break;
  				case 40: if (event.ctrlKey || event.metaKey) {
  							$.datepicker._adjustDate(event.target, +7, "D");
  						}
  						handled = event.ctrlKey || event.metaKey;
  						break; // +1 week on ctrl or command +down
  				default: handled = false;
  			}
  		} else if (event.keyCode === 36 && event.ctrlKey) { // display the date picker on ctrl+home
  			$.datepicker._showDatepicker(this);
  		} else {
  			handled = false;
  		}
  
  		if (handled) {
  			event.preventDefault();
  			event.stopPropagation();
  		}
  	},
  
  	/* Filter entered characters - based on date format. */
  	_doKeyPress: function(event) {
  		var chars, chr,
  			inst = $.datepicker._getInst(event.target);
  
  		if ($.datepicker._get(inst, "constrainInput")) {
  			chars = $.datepicker._possibleChars($.datepicker._get(inst, "dateFormat"));
  			chr = String.fromCharCode(event.charCode == null ? event.keyCode : event.charCode);
  			return event.ctrlKey || event.metaKey || (chr < " " || !chars || chars.indexOf(chr) > -1);
  		}
  	},
  
  	/* Synchronise manual entry and field/alternate field. */
  	_doKeyUp: function(event) {
  		var date,
  			inst = $.datepicker._getInst(event.target);
  
  		if (inst.input.val() !== inst.lastVal) {
  			try {
  				date = $.datepicker.parseDate($.datepicker._get(inst, "dateFormat"),
  					(inst.input ? inst.input.val() : null),
  					$.datepicker._getFormatConfig(inst));
  
  				if (date) { // only if valid
  					$.datepicker._setDateFromField(inst);
  					$.datepicker._updateAlternate(inst);
  					$.datepicker._updateDatepicker(inst);
  				}
  			}
  			catch (err) {
  			}
  		}
  		return true;
  	},
  
  	/* Pop-up the date picker for a given input field.
  	 * If false returned from beforeShow event handler do not show.
  	 * @param  input  element - the input field attached to the date picker or
  	 *					event - if triggered by focus
  	 */
  	_showDatepicker: function(input) {
  		input = input.target || input;
  		if (input.nodeName.toLowerCase() !== "input") { // find from button/image trigger
  			input = $("input", input.parentNode)[0];
  		}
  
  		if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput === input) { // already here
  			return;
  		}
  
  		var inst, beforeShow, beforeShowSettings, isFixed,
  			offset, showAnim, duration;
  
  		inst = $.datepicker._getInst(input);
  		if ($.datepicker._curInst && $.datepicker._curInst !== inst) {
  			$.datepicker._curInst.dpDiv.stop(true, true);
  			if ( inst && $.datepicker._datepickerShowing ) {
  				$.datepicker._hideDatepicker( $.datepicker._curInst.input[0] );
  			}
  		}
  
  		beforeShow = $.datepicker._get(inst, "beforeShow");
  		beforeShowSettings = beforeShow ? beforeShow.apply(input, [input, inst]) : {};
  		if(beforeShowSettings === false){
  			return;
  		}
  		datepicker_extendRemove(inst.settings, beforeShowSettings);
  
  		inst.lastVal = null;
  		$.datepicker._lastInput = input;
  		$.datepicker._setDateFromField(inst);
  
  		if ($.datepicker._inDialog) { // hide cursor
  			input.value = "";
  		}
  		if (!$.datepicker._pos) { // position below input
  			$.datepicker._pos = $.datepicker._findPos(input);
  			$.datepicker._pos[1] += input.offsetHeight; // add the height
  		}
  
  		isFixed = false;
  		$(input).parents().each(function() {
  			isFixed |= $(this).css("position") === "fixed";
  			return !isFixed;
  		});
  
  		offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
  		$.datepicker._pos = null;
  		//to avoid flashes on Firefox
  		inst.dpDiv.empty();
  		// determine sizing offscreen
  		inst.dpDiv.css({position: "absolute", display: "block", top: "-1000px"});
  		$.datepicker._updateDatepicker(inst);
  		// fix width for dynamic number of date pickers
  		// and adjust position before showing
  		offset = $.datepicker._checkOffset(inst, offset, isFixed);
  		inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
  			"static" : (isFixed ? "fixed" : "absolute")), display: "none",
  			left: offset.left + "px", top: offset.top + "px"});
  
  		if (!inst.inline) {
  			showAnim = $.datepicker._get(inst, "showAnim");
  			duration = $.datepicker._get(inst, "duration");
  			inst.dpDiv.css( "z-index", datepicker_getZindex( $( input ) ) + 1 );
  			$.datepicker._datepickerShowing = true;
  
  			if ( $.effects && $.effects.effect[ showAnim ] ) {
  				inst.dpDiv.show(showAnim, $.datepicker._get(inst, "showOptions"), duration);
  			} else {
  				inst.dpDiv[showAnim || "show"](showAnim ? duration : null);
  			}
  
  			if ( $.datepicker._shouldFocusInput( inst ) ) {
  				inst.input.focus();
  			}
  
  			$.datepicker._curInst = inst;
  		}
  	},
  
  	/* Generate the date picker content. */
  	_updateDatepicker: function(inst) {
  		this.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
  		datepicker_instActive = inst; // for delegate hover events
  		inst.dpDiv.empty().append(this._generateHTML(inst));
  		this._attachHandlers(inst);
  
  		var origyearshtml,
  			numMonths = this._getNumberOfMonths(inst),
  			cols = numMonths[1],
  			width = 17,
  			activeCell = inst.dpDiv.find( "." + this._dayOverClass + " a" );
  
  		if ( activeCell.length > 0 ) {
  			datepicker_handleMouseover.apply( activeCell.get( 0 ) );
  		}
  
  		inst.dpDiv.removeClass("ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4").width("");
  		if (cols > 1) {
  			inst.dpDiv.addClass("ui-datepicker-multi-" + cols).css("width", (width * cols) + "em");
  		}
  		inst.dpDiv[(numMonths[0] !== 1 || numMonths[1] !== 1 ? "add" : "remove") +
  			"Class"]("ui-datepicker-multi");
  		inst.dpDiv[(this._get(inst, "isRTL") ? "add" : "remove") +
  			"Class"]("ui-datepicker-rtl");
  
  		if (inst === $.datepicker._curInst && $.datepicker._datepickerShowing && $.datepicker._shouldFocusInput( inst ) ) {
  			inst.input.focus();
  		}
  
  		// deffered render of the years select (to avoid flashes on Firefox)
  		if( inst.yearshtml ){
  			origyearshtml = inst.yearshtml;
  			setTimeout(function(){
  				//assure that inst.yearshtml didn't change.
  				if( origyearshtml === inst.yearshtml && inst.yearshtml ){
  					inst.dpDiv.find("select.ui-datepicker-year:first").replaceWith(inst.yearshtml);
  				}
  				origyearshtml = inst.yearshtml = null;
  			}, 0);
  		}
  	},
  
  	// #6694 - don't focus the input if it's already focused
  	// this breaks the change event in IE
  	// Support: IE and jQuery <1.9
  	_shouldFocusInput: function( inst ) {
  		return inst.input && inst.input.is( ":visible" ) && !inst.input.is( ":disabled" ) && !inst.input.is( ":focus" );
  	},
  
  	/* Check positioning to remain on screen. */
  	_checkOffset: function(inst, offset, isFixed) {
  		var dpWidth = inst.dpDiv.outerWidth(),
  			dpHeight = inst.dpDiv.outerHeight(),
  			inputWidth = inst.input ? inst.input.outerWidth() : 0,
  			inputHeight = inst.input ? inst.input.outerHeight() : 0,
  			viewWidth = document.documentElement.clientWidth + (isFixed ? 0 : $(document).scrollLeft()),
  			viewHeight = document.documentElement.clientHeight + (isFixed ? 0 : $(document).scrollTop());
  
  		offset.left -= (this._get(inst, "isRTL") ? (dpWidth - inputWidth) : 0);
  		offset.left -= (isFixed && offset.left === inst.input.offset().left) ? $(document).scrollLeft() : 0;
  		offset.top -= (isFixed && offset.top === (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
  
  		// now check if datepicker is showing outside window viewport - move to a better place if so.
  		offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
  			Math.abs(offset.left + dpWidth - viewWidth) : 0);
  		offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
  			Math.abs(dpHeight + inputHeight) : 0);
  
  		return offset;
  	},
  
  	/* Find an object's position on the screen. */
  	_findPos: function(obj) {
  		var position,
  			inst = this._getInst(obj),
  			isRTL = this._get(inst, "isRTL");
  
  		while (obj && (obj.type === "hidden" || obj.nodeType !== 1 || $.expr.filters.hidden(obj))) {
  			obj = obj[isRTL ? "previousSibling" : "nextSibling"];
  		}
  
  		position = $(obj).offset();
  		return [position.left, position.top];
  	},
  
  	/* Hide the date picker from view.
  	 * @param  input  element - the input field attached to the date picker
  	 */
  	_hideDatepicker: function(input) {
  		var showAnim, duration, postProcess, onClose,
  			inst = this._curInst;
  
  		if (!inst || (input && inst !== $.data(input, "datepicker"))) {
  			return;
  		}
  
  		if (this._datepickerShowing) {
  			showAnim = this._get(inst, "showAnim");
  			duration = this._get(inst, "duration");
  			postProcess = function() {
  				$.datepicker._tidyDialog(inst);
  			};
  
  			// DEPRECATED: after BC for 1.8.x $.effects[ showAnim ] is not needed
  			if ( $.effects && ( $.effects.effect[ showAnim ] || $.effects[ showAnim ] ) ) {
  				inst.dpDiv.hide(showAnim, $.datepicker._get(inst, "showOptions"), duration, postProcess);
  			} else {
  				inst.dpDiv[(showAnim === "slideDown" ? "slideUp" :
  					(showAnim === "fadeIn" ? "fadeOut" : "hide"))]((showAnim ? duration : null), postProcess);
  			}
  
  			if (!showAnim) {
  				postProcess();
  			}
  			this._datepickerShowing = false;
  
  			onClose = this._get(inst, "onClose");
  			if (onClose) {
  				onClose.apply((inst.input ? inst.input[0] : null), [(inst.input ? inst.input.val() : ""), inst]);
  			}
  
  			this._lastInput = null;
  			if (this._inDialog) {
  				this._dialogInput.css({ position: "absolute", left: "0", top: "-100px" });
  				if ($.blockUI) {
  					$.unblockUI();
  					$("body").append(this.dpDiv);
  				}
  			}
  			this._inDialog = false;
  		}
  	},
  
  	/* Tidy up after a dialog display. */
  	_tidyDialog: function(inst) {
  		inst.dpDiv.removeClass(this._dialogClass).unbind(".ui-datepicker-calendar");
  	},
  
  	/* Close date picker if clicked elsewhere. */
  	_checkExternalClick: function(event) {
  		if (!$.datepicker._curInst) {
  			return;
  		}
  
  		var $target = $(event.target),
  			inst = $.datepicker._getInst($target[0]);
  
  		if ( ( ( $target[0].id !== $.datepicker._mainDivId &&
  				$target.parents("#" + $.datepicker._mainDivId).length === 0 &&
  				!$target.hasClass($.datepicker.markerClassName) &&
  				!$target.closest("." + $.datepicker._triggerClass).length &&
  				$.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI) ) ) ||
  			( $target.hasClass($.datepicker.markerClassName) && $.datepicker._curInst !== inst ) ) {
  				$.datepicker._hideDatepicker();
  		}
  	},
  
  	/* Adjust one of the date sub-fields. */
  	_adjustDate: function(id, offset, period) {
  		var target = $(id),
  			inst = this._getInst(target[0]);
  
  		if (this._isDisabledDatepicker(target[0])) {
  			return;
  		}
  		this._adjustInstDate(inst, offset +
  			(period === "M" ? this._get(inst, "showCurrentAtPos") : 0), // undo positioning
  			period);
  		this._updateDatepicker(inst);
  	},
  
  	/* Action for current link. */
  	_gotoToday: function(id) {
  		var date,
  			target = $(id),
  			inst = this._getInst(target[0]);
  
  		if (this._get(inst, "gotoCurrent") && inst.currentDay) {
  			inst.selectedDay = inst.currentDay;
  			inst.drawMonth = inst.selectedMonth = inst.currentMonth;
  			inst.drawYear = inst.selectedYear = inst.currentYear;
  		} else {
  			date = new Date();
  			inst.selectedDay = date.getDate();
  			inst.drawMonth = inst.selectedMonth = date.getMonth();
  			inst.drawYear = inst.selectedYear = date.getFullYear();
  		}
  		this._notifyChange(inst);
  		this._adjustDate(target);
  	},
  
  	/* Action for selecting a new month/year. */
  	_selectMonthYear: function(id, select, period) {
  		var target = $(id),
  			inst = this._getInst(target[0]);
  
  		inst["selected" + (period === "M" ? "Month" : "Year")] =
  		inst["draw" + (period === "M" ? "Month" : "Year")] =
  			parseInt(select.options[select.selectedIndex].value,10);
  
  		this._notifyChange(inst);
  		this._adjustDate(target);
  	},
  
  	/* Action for selecting a day. */
  	_selectDay: function(id, month, year, td) {
  		var inst,
  			target = $(id);
  
  		if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
  			return;
  		}
  
  		inst = this._getInst(target[0]);
  		inst.selectedDay = inst.currentDay = $("a", td).html();
  		inst.selectedMonth = inst.currentMonth = month;
  		inst.selectedYear = inst.currentYear = year;
  		this._selectDate(id, this._formatDate(inst,
  			inst.currentDay, inst.currentMonth, inst.currentYear));
  	},
  
  	/* Erase the input field and hide the date picker. */
  	_clearDate: function(id) {
  		var target = $(id);
  		this._selectDate(target, "");
  	},
  
  	/* Update the input field with the selected date. */
  	_selectDate: function(id, dateStr) {
  		var onSelect,
  			target = $(id),
  			inst = this._getInst(target[0]);
  
  		dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
  		if (inst.input) {
  			inst.input.val(dateStr);
  		}
  		this._updateAlternate(inst);
  
  		onSelect = this._get(inst, "onSelect");
  		if (onSelect) {
  			onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);  // trigger custom callback
  		} else if (inst.input) {
  			inst.input.trigger("change"); // fire the change event
  		}
  
  		if (inst.inline){
  			this._updateDatepicker(inst);
  		} else {
  			this._hideDatepicker();
  			this._lastInput = inst.input[0];
  			if (typeof(inst.input[0]) !== "object") {
  				inst.input.focus(); // restore focus
  			}
  			this._lastInput = null;
  		}
  	},
  
  	/* Update any alternate field to synchronise with the main field. */
  	_updateAlternate: function(inst) {
  		var altFormat, date, dateStr,
  			altField = this._get(inst, "altField");
  
  		if (altField) { // update alternate field too
  			altFormat = this._get(inst, "altFormat") || this._get(inst, "dateFormat");
  			date = this._getDate(inst);
  			dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
  			$(altField).each(function() { $(this).val(dateStr); });
  		}
  	},
  
  	/* Set as beforeShowDay function to prevent selection of weekends.
  	 * @param  date  Date - the date to customise
  	 * @return [boolean, string] - is this date selectable?, what is its CSS class?
  	 */
  	noWeekends: function(date) {
  		var day = date.getDay();
  		return [(day > 0 && day < 6), ""];
  	},
  
  	/* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
  	 * @param  date  Date - the date to get the week for
  	 * @return  number - the number of the week within the year that contains this date
  	 */
  	iso8601Week: function(date) {
  		var time,
  			checkDate = new Date(date.getTime());
  
  		// Find Thursday of this week starting on Monday
  		checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
  
  		time = checkDate.getTime();
  		checkDate.setMonth(0); // Compare with Jan 1
  		checkDate.setDate(1);
  		return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
  	},
  
  	/* Parse a string value into a date object.
  	 * See formatDate below for the possible formats.
  	 *
  	 * @param  format string - the expected format of the date
  	 * @param  value string - the date in the above format
  	 * @param  settings Object - attributes include:
  	 *					shortYearCutoff  number - the cutoff year for determining the century (optional)
  	 *					dayNamesShort	string[7] - abbreviated names of the days from Sunday (optional)
  	 *					dayNames		string[7] - names of the days from Sunday (optional)
  	 *					monthNamesShort string[12] - abbreviated names of the months (optional)
  	 *					monthNames		string[12] - names of the months (optional)
  	 * @return  Date - the extracted date value or null if value is blank
  	 */
  	parseDate: function (format, value, settings) {
  		if (format == null || value == null) {
  			throw "Invalid arguments";
  		}
  
  		value = (typeof value === "object" ? value.toString() : value + "");
  		if (value === "") {
  			return null;
  		}
  
  		var iFormat, dim, extra,
  			iValue = 0,
  			shortYearCutoffTemp = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff,
  			shortYearCutoff = (typeof shortYearCutoffTemp !== "string" ? shortYearCutoffTemp :
  				new Date().getFullYear() % 100 + parseInt(shortYearCutoffTemp, 10)),
  			dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort,
  			dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames,
  			monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort,
  			monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames,
  			year = -1,
  			month = -1,
  			day = -1,
  			doy = -1,
  			literal = false,
  			date,
  			// Check whether a format character is doubled
  			lookAhead = function(match) {
  				var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) === match);
  				if (matches) {
  					iFormat++;
  				}
  				return matches;
  			},
  			// Extract a number from the string value
  			getNumber = function(match) {
  				var isDoubled = lookAhead(match),
  					size = (match === "@" ? 14 : (match === "!" ? 20 :
  					(match === "y" && isDoubled ? 4 : (match === "o" ? 3 : 2)))),
  					minSize = (match === "y" ? size : 1),
  					digits = new RegExp("^\\d{" + minSize + "," + size + "}"),
  					num = value.substring(iValue).match(digits);
  				if (!num) {
  					throw "Missing number at position " + iValue;
  				}
  				iValue += num[0].length;
  				return parseInt(num[0], 10);
  			},
  			// Extract a name from the string value and convert to an index
  			getName = function(match, shortNames, longNames) {
  				var index = -1,
  					names = $.map(lookAhead(match) ? longNames : shortNames, function (v, k) {
  						return [ [k, v] ];
  					}).sort(function (a, b) {
  						return -(a[1].length - b[1].length);
  					});
  
  				$.each(names, function (i, pair) {
  					var name = pair[1];
  					if (value.substr(iValue, name.length).toLowerCase() === name.toLowerCase()) {
  						index = pair[0];
  						iValue += name.length;
  						return false;
  					}
  				});
  				if (index !== -1) {
  					return index + 1;
  				} else {
  					throw "Unknown name at position " + iValue;
  				}
  			},
  			// Confirm that a literal character matches the string value
  			checkLiteral = function() {
  				if (value.charAt(iValue) !== format.charAt(iFormat)) {
  					throw "Unexpected literal at position " + iValue;
  				}
  				iValue++;
  			};
  
  		for (iFormat = 0; iFormat < format.length; iFormat++) {
  			if (literal) {
  				if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
  					literal = false;
  				} else {
  					checkLiteral();
  				}
  			} else {
  				switch (format.charAt(iFormat)) {
  					case "d":
  						day = getNumber("d");
  						break;
  					case "D":
  						getName("D", dayNamesShort, dayNames);
  						break;
  					case "o":
  						doy = getNumber("o");
  						break;
  					case "m":
  						month = getNumber("m");
  						break;
  					case "M":
  						month = getName("M", monthNamesShort, monthNames);
  						break;
  					case "y":
  						year = getNumber("y");
  						break;
  					case "@":
  						date = new Date(getNumber("@"));
  						year = date.getFullYear();
  						month = date.getMonth() + 1;
  						day = date.getDate();
  						break;
  					case "!":
  						date = new Date((getNumber("!") - this._ticksTo1970) / 10000);
  						year = date.getFullYear();
  						month = date.getMonth() + 1;
  						day = date.getDate();
  						break;
  					case "'":
  						if (lookAhead("'")){
  							checkLiteral();
  						} else {
  							literal = true;
  						}
  						break;
  					default:
  						checkLiteral();
  				}
  			}
  		}
  
  		if (iValue < value.length){
  			extra = value.substr(iValue);
  			if (!/^\s+/.test(extra)) {
  				throw "Extra/unparsed characters found in date: " + extra;
  			}
  		}
  
  		if (year === -1) {
  			year = new Date().getFullYear();
  		} else if (year < 100) {
  			year += new Date().getFullYear() - new Date().getFullYear() % 100 +
  				(year <= shortYearCutoff ? 0 : -100);
  		}
  
  		if (doy > -1) {
  			month = 1;
  			day = doy;
  			do {
  				dim = this._getDaysInMonth(year, month - 1);
  				if (day <= dim) {
  					break;
  				}
  				month++;
  				day -= dim;
  			} while (true);
  		}
  
  		date = this._daylightSavingAdjust(new Date(year, month - 1, day));
  		if (date.getFullYear() !== year || date.getMonth() + 1 !== month || date.getDate() !== day) {
  			throw "Invalid date"; // E.g. 31/02/00
  		}
  		return date;
  	},
  
  	/* Standard date formats. */
  	ATOM: "yy-mm-dd", // RFC 3339 (ISO 8601)
  	COOKIE: "D, dd M yy",
  	ISO_8601: "yy-mm-dd",
  	RFC_822: "D, d M y",
  	RFC_850: "DD, dd-M-y",
  	RFC_1036: "D, d M y",
  	RFC_1123: "D, d M yy",
  	RFC_2822: "D, d M yy",
  	RSS: "D, d M y", // RFC 822
  	TICKS: "!",
  	TIMESTAMP: "@",
  	W3C: "yy-mm-dd", // ISO 8601
  
  	_ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
  		Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),
  
  	/* Format a date object into a string value.
  	 * The format can be combinations of the following:
  	 * d  - day of month (no leading zero)
  	 * dd - day of month (two digit)
  	 * o  - day of year (no leading zeros)
  	 * oo - day of year (three digit)
  	 * D  - day name short
  	 * DD - day name long
  	 * m  - month of year (no leading zero)
  	 * mm - month of year (two digit)
  	 * M  - month name short
  	 * MM - month name long
  	 * y  - year (two digit)
  	 * yy - year (four digit)
  	 * @ - Unix timestamp (ms since 01/01/1970)
  	 * ! - Windows ticks (100ns since 01/01/0001)
  	 * "..." - literal text
  	 * '' - single quote
  	 *
  	 * @param  format string - the desired format of the date
  	 * @param  date Date - the date value to format
  	 * @param  settings Object - attributes include:
  	 *					dayNamesShort	string[7] - abbreviated names of the days from Sunday (optional)
  	 *					dayNames		string[7] - names of the days from Sunday (optional)
  	 *					monthNamesShort string[12] - abbreviated names of the months (optional)
  	 *					monthNames		string[12] - names of the months (optional)
  	 * @return  string - the date in the above format
  	 */
  	formatDate: function (format, date, settings) {
  		if (!date) {
  			return "";
  		}
  
  		var iFormat,
  			dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort,
  			dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames,
  			monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort,
  			monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames,
  			// Check whether a format character is doubled
  			lookAhead = function(match) {
  				var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) === match);
  				if (matches) {
  					iFormat++;
  				}
  				return matches;
  			},
  			// Format a number, with leading zero if necessary
  			formatNumber = function(match, value, len) {
  				var num = "" + value;
  				if (lookAhead(match)) {
  					while (num.length < len) {
  						num = "0" + num;
  					}
  				}
  				return num;
  			},
  			// Format a name, short or long as requested
  			formatName = function(match, value, shortNames, longNames) {
  				return (lookAhead(match) ? longNames[value] : shortNames[value]);
  			},
  			output = "",
  			literal = false;
  
  		if (date) {
  			for (iFormat = 0; iFormat < format.length; iFormat++) {
  				if (literal) {
  					if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
  						literal = false;
  					} else {
  						output += format.charAt(iFormat);
  					}
  				} else {
  					switch (format.charAt(iFormat)) {
  						case "d":
  							output += formatNumber("d", date.getDate(), 2);
  							break;
  						case "D":
  							output += formatName("D", date.getDay(), dayNamesShort, dayNames);
  							break;
  						case "o":
  							output += formatNumber("o",
  								Math.round((new Date(date.getFullYear(), date.getMonth(), date.getDate()).getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000), 3);
  							break;
  						case "m":
  							output += formatNumber("m", date.getMonth() + 1, 2);
  							break;
  						case "M":
  							output += formatName("M", date.getMonth(), monthNamesShort, monthNames);
  							break;
  						case "y":
  							output += (lookAhead("y") ? date.getFullYear() :
  								(date.getYear() % 100 < 10 ? "0" : "") + date.getYear() % 100);
  							break;
  						case "@":
  							output += date.getTime();
  							break;
  						case "!":
  							output += date.getTime() * 10000 + this._ticksTo1970;
  							break;
  						case "'":
  							if (lookAhead("'")) {
  								output += "'";
  							} else {
  								literal = true;
  							}
  							break;
  						default:
  							output += format.charAt(iFormat);
  					}
  				}
  			}
  		}
  		return output;
  	},
  
  	/* Extract all possible characters from the date format. */
  	_possibleChars: function (format) {
  		var iFormat,
  			chars = "",
  			literal = false,
  			// Check whether a format character is doubled
  			lookAhead = function(match) {
  				var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) === match);
  				if (matches) {
  					iFormat++;
  				}
  				return matches;
  			};
  
  		for (iFormat = 0; iFormat < format.length; iFormat++) {
  			if (literal) {
  				if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
  					literal = false;
  				} else {
  					chars += format.charAt(iFormat);
  				}
  			} else {
  				switch (format.charAt(iFormat)) {
  					case "d": case "m": case "y": case "@":
  						chars += "0123456789";
  						break;
  					case "D": case "M":
  						return null; // Accept anything
  					case "'":
  						if (lookAhead("'")) {
  							chars += "'";
  						} else {
  							literal = true;
  						}
  						break;
  					default:
  						chars += format.charAt(iFormat);
  				}
  			}
  		}
  		return chars;
  	},
  
  	/* Get a setting value, defaulting if necessary. */
  	_get: function(inst, name) {
  		return inst.settings[name] !== undefined ?
  			inst.settings[name] : this._defaults[name];
  	},
  
  	/* Parse existing date and initialise date picker. */
  	_setDateFromField: function(inst, noDefault) {
  		if (inst.input.val() === inst.lastVal) {
  			return;
  		}
  
  		var dateFormat = this._get(inst, "dateFormat"),
  			dates = inst.lastVal = inst.input ? inst.input.val() : null,
  			defaultDate = this._getDefaultDate(inst),
  			date = defaultDate,
  			settings = this._getFormatConfig(inst);
  
  		try {
  			date = this.parseDate(dateFormat, dates, settings) || defaultDate;
  		} catch (event) {
  			dates = (noDefault ? "" : dates);
  		}
  		inst.selectedDay = date.getDate();
  		inst.drawMonth = inst.selectedMonth = date.getMonth();
  		inst.drawYear = inst.selectedYear = date.getFullYear();
  		inst.currentDay = (dates ? date.getDate() : 0);
  		inst.currentMonth = (dates ? date.getMonth() : 0);
  		inst.currentYear = (dates ? date.getFullYear() : 0);
  		this._adjustInstDate(inst);
  	},
  
  	/* Retrieve the default date shown on opening. */
  	_getDefaultDate: function(inst) {
  		return this._restrictMinMax(inst,
  			this._determineDate(inst, this._get(inst, "defaultDate"), new Date()));
  	},
  
  	/* A date may be specified as an exact value or a relative one. */
  	_determineDate: function(inst, date, defaultDate) {
  		var offsetNumeric = function(offset) {
  				var date = new Date();
  				date.setDate(date.getDate() + offset);
  				return date;
  			},
  			offsetString = function(offset) {
  				try {
  					return $.datepicker.parseDate($.datepicker._get(inst, "dateFormat"),
  						offset, $.datepicker._getFormatConfig(inst));
  				}
  				catch (e) {
  					// Ignore
  				}
  
  				var date = (offset.toLowerCase().match(/^c/) ?
  					$.datepicker._getDate(inst) : null) || new Date(),
  					year = date.getFullYear(),
  					month = date.getMonth(),
  					day = date.getDate(),
  					pattern = /([+\-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g,
  					matches = pattern.exec(offset);
  
  				while (matches) {
  					switch (matches[2] || "d") {
  						case "d" : case "D" :
  							day += parseInt(matches[1],10); break;
  						case "w" : case "W" :
  							day += parseInt(matches[1],10) * 7; break;
  						case "m" : case "M" :
  							month += parseInt(matches[1],10);
  							day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
  							break;
  						case "y": case "Y" :
  							year += parseInt(matches[1],10);
  							day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
  							break;
  					}
  					matches = pattern.exec(offset);
  				}
  				return new Date(year, month, day);
  			},
  			newDate = (date == null || date === "" ? defaultDate : (typeof date === "string" ? offsetString(date) :
  				(typeof date === "number" ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : new Date(date.getTime()))));
  
  		newDate = (newDate && newDate.toString() === "Invalid Date" ? defaultDate : newDate);
  		if (newDate) {
  			newDate.setHours(0);
  			newDate.setMinutes(0);
  			newDate.setSeconds(0);
  			newDate.setMilliseconds(0);
  		}
  		return this._daylightSavingAdjust(newDate);
  	},
  
  	/* Handle switch to/from daylight saving.
  	 * Hours may be non-zero on daylight saving cut-over:
  	 * > 12 when midnight changeover, but then cannot generate
  	 * midnight datetime, so jump to 1AM, otherwise reset.
  	 * @param  date  (Date) the date to check
  	 * @return  (Date) the corrected date
  	 */
  	_daylightSavingAdjust: function(date) {
  		if (!date) {
  			return null;
  		}
  		date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
  		return date;
  	},
  
  	/* Set the date(s) directly. */
  	_setDate: function(inst, date, noChange) {
  		var clear = !date,
  			origMonth = inst.selectedMonth,
  			origYear = inst.selectedYear,
  			newDate = this._restrictMinMax(inst, this._determineDate(inst, date, new Date()));
  
  		inst.selectedDay = inst.currentDay = newDate.getDate();
  		inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
  		inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
  		if ((origMonth !== inst.selectedMonth || origYear !== inst.selectedYear) && !noChange) {
  			this._notifyChange(inst);
  		}
  		this._adjustInstDate(inst);
  		if (inst.input) {
  			inst.input.val(clear ? "" : this._formatDate(inst));
  		}
  	},
  
  	/* Retrieve the date(s) directly. */
  	_getDate: function(inst) {
  		var startDate = (!inst.currentYear || (inst.input && inst.input.val() === "") ? null :
  			this._daylightSavingAdjust(new Date(
  			inst.currentYear, inst.currentMonth, inst.currentDay)));
  			return startDate;
  	},
  
  	/* Attach the onxxx handlers.  These are declared statically so
  	 * they work with static code transformers like Caja.
  	 */
  	_attachHandlers: function(inst) {
  		var stepMonths = this._get(inst, "stepMonths"),
  			id = "#" + inst.id.replace( /\\\\/g, "\\" );
  		inst.dpDiv.find("[data-handler]").map(function () {
  			var handler = {
  				prev: function () {
  					$.datepicker._adjustDate(id, -stepMonths, "M");
  				},
  				next: function () {
  					$.datepicker._adjustDate(id, +stepMonths, "M");
  				},
  				hide: function () {
  					$.datepicker._hideDatepicker();
  				},
  				today: function () {
  					$.datepicker._gotoToday(id);
  				},
  				selectDay: function () {
  					$.datepicker._selectDay(id, +this.getAttribute("data-month"), +this.getAttribute("data-year"), this);
  					return false;
  				},
  				selectMonth: function () {
  					$.datepicker._selectMonthYear(id, this, "M");
  					return false;
  				},
  				selectYear: function () {
  					$.datepicker._selectMonthYear(id, this, "Y");
  					return false;
  				}
  			};
  			$(this).bind(this.getAttribute("data-event"), handler[this.getAttribute("data-handler")]);
  		});
  	},
  
  	/* Generate the HTML for the current state of the date picker. */
  	_generateHTML: function(inst) {
  		var maxDraw, prevText, prev, nextText, next, currentText, gotoDate,
  			controls, buttonPanel, firstDay, showWeek, dayNames, dayNamesMin,
  			monthNames, monthNamesShort, beforeShowDay, showOtherMonths,
  			selectOtherMonths, defaultDate, html, dow, row, group, col, selectedDate,
  			cornerClass, calender, thead, day, daysInMonth, leadDays, curRows, numRows,
  			printDate, dRow, tbody, daySettings, otherMonth, unselectable,
  			tempDate = new Date(),
  			today = this._daylightSavingAdjust(
  				new Date(tempDate.getFullYear(), tempDate.getMonth(), tempDate.getDate())), // clear time
  			isRTL = this._get(inst, "isRTL"),
  			showButtonPanel = this._get(inst, "showButtonPanel"),
  			hideIfNoPrevNext = this._get(inst, "hideIfNoPrevNext"),
  			navigationAsDateFormat = this._get(inst, "navigationAsDateFormat"),
  			numMonths = this._getNumberOfMonths(inst),
  			showCurrentAtPos = this._get(inst, "showCurrentAtPos"),
  			stepMonths = this._get(inst, "stepMonths"),
  			isMultiMonth = (numMonths[0] !== 1 || numMonths[1] !== 1),
  			currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
  				new Date(inst.currentYear, inst.currentMonth, inst.currentDay))),
  			minDate = this._getMinMaxDate(inst, "min"),
  			maxDate = this._getMinMaxDate(inst, "max"),
  			drawMonth = inst.drawMonth - showCurrentAtPos,
  			drawYear = inst.drawYear;
  
  		if (drawMonth < 0) {
  			drawMonth += 12;
  			drawYear--;
  		}
  		if (maxDate) {
  			maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
  				maxDate.getMonth() - (numMonths[0] * numMonths[1]) + 1, maxDate.getDate()));
  			maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
  			while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
  				drawMonth--;
  				if (drawMonth < 0) {
  					drawMonth = 11;
  					drawYear--;
  				}
  			}
  		}
  		inst.drawMonth = drawMonth;
  		inst.drawYear = drawYear;
  
  		prevText = this._get(inst, "prevText");
  		prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
  			this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
  			this._getFormatConfig(inst)));
  
  		prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
  			"<a class='ui-datepicker-prev ui-corner-all' data-handler='prev' data-event='click'" +
  			" title='" + prevText + "'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "e" : "w") + "'>" + prevText + "</span></a>" :
  			(hideIfNoPrevNext ? "" : "<a class='ui-datepicker-prev ui-corner-all ui-state-disabled' title='"+ prevText +"'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "e" : "w") + "'>" + prevText + "</span></a>"));
  
  		nextText = this._get(inst, "nextText");
  		nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
  			this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
  			this._getFormatConfig(inst)));
  
  		next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
  			"<a class='ui-datepicker-next ui-corner-all' data-handler='next' data-event='click'" +
  			" title='" + nextText + "'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "w" : "e") + "'>" + nextText + "</span></a>" :
  			(hideIfNoPrevNext ? "" : "<a class='ui-datepicker-next ui-corner-all ui-state-disabled' title='"+ nextText + "'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "w" : "e") + "'>" + nextText + "</span></a>"));
  
  		currentText = this._get(inst, "currentText");
  		gotoDate = (this._get(inst, "gotoCurrent") && inst.currentDay ? currentDate : today);
  		currentText = (!navigationAsDateFormat ? currentText :
  			this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
  
  		controls = (!inst.inline ? "<button type='button' class='ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all' data-handler='hide' data-event='click'>" +
  			this._get(inst, "closeText") + "</button>" : "");
  
  		buttonPanel = (showButtonPanel) ? "<div class='ui-datepicker-buttonpane ui-widget-content'>" + (isRTL ? controls : "") +
  			(this._isInRange(inst, gotoDate) ? "<button type='button' class='ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all' data-handler='today' data-event='click'" +
  			">" + currentText + "</button>" : "") + (isRTL ? "" : controls) + "</div>" : "";
  
  		firstDay = parseInt(this._get(inst, "firstDay"),10);
  		firstDay = (isNaN(firstDay) ? 0 : firstDay);
  
  		showWeek = this._get(inst, "showWeek");
  		dayNames = this._get(inst, "dayNames");
  		dayNamesMin = this._get(inst, "dayNamesMin");
  		monthNames = this._get(inst, "monthNames");
  		monthNamesShort = this._get(inst, "monthNamesShort");
  		beforeShowDay = this._get(inst, "beforeShowDay");
  		showOtherMonths = this._get(inst, "showOtherMonths");
  		selectOtherMonths = this._get(inst, "selectOtherMonths");
  		defaultDate = this._getDefaultDate(inst);
  		html = "";
  		dow;
  		for (row = 0; row < numMonths[0]; row++) {
  			group = "";
  			this.maxRows = 4;
  			for (col = 0; col < numMonths[1]; col++) {
  				selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
  				cornerClass = " ui-corner-all";
  				calender = "";
  				if (isMultiMonth) {
  					calender += "<div class='ui-datepicker-group";
  					if (numMonths[1] > 1) {
  						switch (col) {
  							case 0: calender += " ui-datepicker-group-first";
  								cornerClass = " ui-corner-" + (isRTL ? "right" : "left"); break;
  							case numMonths[1]-1: calender += " ui-datepicker-group-last";
  								cornerClass = " ui-corner-" + (isRTL ? "left" : "right"); break;
  							default: calender += " ui-datepicker-group-middle"; cornerClass = ""; break;
  						}
  					}
  					calender += "'>";
  				}
  				calender += "<div class='ui-datepicker-header ui-widget-header ui-helper-clearfix" + cornerClass + "'>" +
  					(/all|left/.test(cornerClass) && row === 0 ? (isRTL ? next : prev) : "") +
  					(/all|right/.test(cornerClass) && row === 0 ? (isRTL ? prev : next) : "") +
  					this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
  					row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
  					"</div><table class='ui-datepicker-calendar'><thead>" +
  					"<tr>";
  				thead = (showWeek ? "<th class='ui-datepicker-week-col'>" + this._get(inst, "weekHeader") + "</th>" : "");
  				for (dow = 0; dow < 7; dow++) { // days of the week
  					day = (dow + firstDay) % 7;
  					thead += "<th scope='col'" + ((dow + firstDay + 6) % 7 >= 5 ? " class='ui-datepicker-week-end'" : "") + ">" +
  						"<span title='" + dayNames[day] + "'>" + dayNamesMin[day] + "</span></th>";
  				}
  				calender += thead + "</tr></thead><tbody>";
  				daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
  				if (drawYear === inst.selectedYear && drawMonth === inst.selectedMonth) {
  					inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
  				}
  				leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
  				curRows = Math.ceil((leadDays + daysInMonth) / 7); // calculate the number of rows to generate
  				numRows = (isMultiMonth ? this.maxRows > curRows ? this.maxRows : curRows : curRows); //If multiple months, use the higher number of rows (see #7043)
  				this.maxRows = numRows;
  				printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
  				for (dRow = 0; dRow < numRows; dRow++) { // create date picker rows
  					calender += "<tr>";
  					tbody = (!showWeek ? "" : "<td class='ui-datepicker-week-col'>" +
  						this._get(inst, "calculateWeek")(printDate) + "</td>");
  					for (dow = 0; dow < 7; dow++) { // create date picker days
  						daySettings = (beforeShowDay ?
  							beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, ""]);
  						otherMonth = (printDate.getMonth() !== drawMonth);
  						unselectable = (otherMonth && !selectOtherMonths) || !daySettings[0] ||
  							(minDate && printDate < minDate) || (maxDate && printDate > maxDate);
  						tbody += "<td class='" +
  							((dow + firstDay + 6) % 7 >= 5 ? " ui-datepicker-week-end" : "") + // highlight weekends
  							(otherMonth ? " ui-datepicker-other-month" : "") + // highlight days from other months
  							((printDate.getTime() === selectedDate.getTime() && drawMonth === inst.selectedMonth && inst._keyEvent) || // user pressed key
  							(defaultDate.getTime() === printDate.getTime() && defaultDate.getTime() === selectedDate.getTime()) ?
  							// or defaultDate is current printedDate and defaultDate is selectedDate
  							" " + this._dayOverClass : "") + // highlight selected day
  							(unselectable ? " " + this._unselectableClass + " ui-state-disabled": "") +  // highlight unselectable days
  							(otherMonth && !showOtherMonths ? "" : " " + daySettings[1] + // highlight custom dates
  							(printDate.getTime() === currentDate.getTime() ? " " + this._currentClass : "") + // highlight selected day
  							(printDate.getTime() === today.getTime() ? " ui-datepicker-today" : "")) + "'" + // highlight today (if different)
  							((!otherMonth || showOtherMonths) && daySettings[2] ? " title='" + daySettings[2].replace(/'/g, "&#39;") + "'" : "") + // cell title
  							(unselectable ? "" : " data-handler='selectDay' data-event='click' data-month='" + printDate.getMonth() + "' data-year='" + printDate.getFullYear() + "'") + ">" + // actions
  							(otherMonth && !showOtherMonths ? "&#xa0;" : // display for other months
  							(unselectable ? "<span class='ui-state-default'>" + printDate.getDate() + "</span>" : "<a class='ui-state-default" +
  							(printDate.getTime() === today.getTime() ? " ui-state-highlight" : "") +
  							(printDate.getTime() === currentDate.getTime() ? " ui-state-active" : "") + // highlight selected day
  							(otherMonth ? " ui-priority-secondary" : "") + // distinguish dates from other months
  							"' href='#'>" + printDate.getDate() + "</a>")) + "</td>"; // display selectable date
  						printDate.setDate(printDate.getDate() + 1);
  						printDate = this._daylightSavingAdjust(printDate);
  					}
  					calender += tbody + "</tr>";
  				}
  				drawMonth++;
  				if (drawMonth > 11) {
  					drawMonth = 0;
  					drawYear++;
  				}
  				calender += "</tbody></table>" + (isMultiMonth ? "</div>" +
  							((numMonths[0] > 0 && col === numMonths[1]-1) ? "<div class='ui-datepicker-row-break'></div>" : "") : "");
  				group += calender;
  			}
  			html += group;
  		}
  		html += buttonPanel;
  		inst._keyEvent = false;
  		return html;
  	},
  
  	/* Generate the month and year header. */
  	_generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
  			secondary, monthNames, monthNamesShort) {
  
  		var inMinYear, inMaxYear, month, years, thisYear, determineYear, year, endYear,
  			changeMonth = this._get(inst, "changeMonth"),
  			changeYear = this._get(inst, "changeYear"),
  			showMonthAfterYear = this._get(inst, "showMonthAfterYear"),
  			html = "<div class='ui-datepicker-title'>",
  			monthHtml = "";
  
  		// month selection
  		if (secondary || !changeMonth) {
  			monthHtml += "<span class='ui-datepicker-month'>" + monthNames[drawMonth] + "</span>";
  		} else {
  			inMinYear = (minDate && minDate.getFullYear() === drawYear);
  			inMaxYear = (maxDate && maxDate.getFullYear() === drawYear);
  			monthHtml += "<select class='ui-datepicker-month' data-handler='selectMonth' data-event='change'>";
  			for ( month = 0; month < 12; month++) {
  				if ((!inMinYear || month >= minDate.getMonth()) && (!inMaxYear || month <= maxDate.getMonth())) {
  					monthHtml += "<option value='" + month + "'" +
  						(month === drawMonth ? " selected='selected'" : "") +
  						">" + monthNamesShort[month] + "</option>";
  				}
  			}
  			monthHtml += "</select>";
  		}
  
  		if (!showMonthAfterYear) {
  			html += monthHtml + (secondary || !(changeMonth && changeYear) ? "&#xa0;" : "");
  		}
  
  		// year selection
  		if ( !inst.yearshtml ) {
  			inst.yearshtml = "";
  			if (secondary || !changeYear) {
  				html += "<span class='ui-datepicker-year'>" + drawYear + "</span>";
  			} else {
  				// determine range of years to display
  				years = this._get(inst, "yearRange").split(":");
  				thisYear = new Date().getFullYear();
  				determineYear = function(value) {
  					var year = (value.match(/c[+\-].*/) ? drawYear + parseInt(value.substring(1), 10) :
  						(value.match(/[+\-].*/) ? thisYear + parseInt(value, 10) :
  						parseInt(value, 10)));
  					return (isNaN(year) ? thisYear : year);
  				};
  				year = determineYear(years[0]);
  				endYear = Math.max(year, determineYear(years[1] || ""));
  				year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
  				endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
  				inst.yearshtml += "<select class='ui-datepicker-year' data-handler='selectYear' data-event='change'>";
  				for (; year <= endYear; year++) {
  					inst.yearshtml += "<option value='" + year + "'" +
  						(year === drawYear ? " selected='selected'" : "") +
  						">" + year + "</option>";
  				}
  				inst.yearshtml += "</select>";
  
  				html += inst.yearshtml;
  				inst.yearshtml = null;
  			}
  		}
  
  		html += this._get(inst, "yearSuffix");
  		if (showMonthAfterYear) {
  			html += (secondary || !(changeMonth && changeYear) ? "&#xa0;" : "") + monthHtml;
  		}
  		html += "</div>"; // Close datepicker_header
  		return html;
  	},
  
  	/* Adjust one of the date sub-fields. */
  	_adjustInstDate: function(inst, offset, period) {
  		var year = inst.drawYear + (period === "Y" ? offset : 0),
  			month = inst.drawMonth + (period === "M" ? offset : 0),
  			day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) + (period === "D" ? offset : 0),
  			date = this._restrictMinMax(inst, this._daylightSavingAdjust(new Date(year, month, day)));
  
  		inst.selectedDay = date.getDate();
  		inst.drawMonth = inst.selectedMonth = date.getMonth();
  		inst.drawYear = inst.selectedYear = date.getFullYear();
  		if (period === "M" || period === "Y") {
  			this._notifyChange(inst);
  		}
  	},
  
  	/* Ensure a date is within any min/max bounds. */
  	_restrictMinMax: function(inst, date) {
  		var minDate = this._getMinMaxDate(inst, "min"),
  			maxDate = this._getMinMaxDate(inst, "max"),
  			newDate = (minDate && date < minDate ? minDate : date);
  		return (maxDate && newDate > maxDate ? maxDate : newDate);
  	},
  
  	/* Notify change of month/year. */
  	_notifyChange: function(inst) {
  		var onChange = this._get(inst, "onChangeMonthYear");
  		if (onChange) {
  			onChange.apply((inst.input ? inst.input[0] : null),
  				[inst.selectedYear, inst.selectedMonth + 1, inst]);
  		}
  	},
  
  	/* Determine the number of months to show. */
  	_getNumberOfMonths: function(inst) {
  		var numMonths = this._get(inst, "numberOfMonths");
  		return (numMonths == null ? [1, 1] : (typeof numMonths === "number" ? [1, numMonths] : numMonths));
  	},
  
  	/* Determine the current maximum date - ensure no time components are set. */
  	_getMinMaxDate: function(inst, minMax) {
  		return this._determineDate(inst, this._get(inst, minMax + "Date"), null);
  	},
  
  	/* Find the number of days in a given month. */
  	_getDaysInMonth: function(year, month) {
  		return 32 - this._daylightSavingAdjust(new Date(year, month, 32)).getDate();
  	},
  
  	/* Find the day of the week of the first of a month. */
  	_getFirstDayOfMonth: function(year, month) {
  		return new Date(year, month, 1).getDay();
  	},
  
  	/* Determines if we should allow a "next/prev" month display change. */
  	_canAdjustMonth: function(inst, offset, curYear, curMonth) {
  		var numMonths = this._getNumberOfMonths(inst),
  			date = this._daylightSavingAdjust(new Date(curYear,
  			curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]), 1));
  
  		if (offset < 0) {
  			date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
  		}
  		return this._isInRange(inst, date);
  	},
  
  	/* Is the given date in the accepted range? */
  	_isInRange: function(inst, date) {
  		var yearSplit, currentYear,
  			minDate = this._getMinMaxDate(inst, "min"),
  			maxDate = this._getMinMaxDate(inst, "max"),
  			minYear = null,
  			maxYear = null,
  			years = this._get(inst, "yearRange");
  			if (years){
  				yearSplit = years.split(":");
  				currentYear = new Date().getFullYear();
  				minYear = parseInt(yearSplit[0], 10);
  				maxYear = parseInt(yearSplit[1], 10);
  				if ( yearSplit[0].match(/[+\-].*/) ) {
  					minYear += currentYear;
  				}
  				if ( yearSplit[1].match(/[+\-].*/) ) {
  					maxYear += currentYear;
  				}
  			}
  
  		return ((!minDate || date.getTime() >= minDate.getTime()) &&
  			(!maxDate || date.getTime() <= maxDate.getTime()) &&
  			(!minYear || date.getFullYear() >= minYear) &&
  			(!maxYear || date.getFullYear() <= maxYear));
  	},
  
  	/* Provide the configuration settings for formatting/parsing. */
  	_getFormatConfig: function(inst) {
  		var shortYearCutoff = this._get(inst, "shortYearCutoff");
  		shortYearCutoff = (typeof shortYearCutoff !== "string" ? shortYearCutoff :
  			new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
  		return {shortYearCutoff: shortYearCutoff,
  			dayNamesShort: this._get(inst, "dayNamesShort"), dayNames: this._get(inst, "dayNames"),
  			monthNamesShort: this._get(inst, "monthNamesShort"), monthNames: this._get(inst, "monthNames")};
  	},
  
  	/* Format the given date for display. */
  	_formatDate: function(inst, day, month, year) {
  		if (!day) {
  			inst.currentDay = inst.selectedDay;
  			inst.currentMonth = inst.selectedMonth;
  			inst.currentYear = inst.selectedYear;
  		}
  		var date = (day ? (typeof day === "object" ? day :
  			this._daylightSavingAdjust(new Date(year, month, day))) :
  			this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
  		return this.formatDate(this._get(inst, "dateFormat"), date, this._getFormatConfig(inst));
  	}
  });
  
  /*
   * Bind hover events for datepicker elements.
   * Done via delegate so the binding only occurs once in the lifetime of the parent div.
   * Global datepicker_instActive, set by _updateDatepicker allows the handlers to find their way back to the active picker.
   */
  function datepicker_bindHover(dpDiv) {
  	var selector = "button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a";
  	return dpDiv.delegate(selector, "mouseout", function() {
  			$(this).removeClass("ui-state-hover");
  			if (this.className.indexOf("ui-datepicker-prev") !== -1) {
  				$(this).removeClass("ui-datepicker-prev-hover");
  			}
  			if (this.className.indexOf("ui-datepicker-next") !== -1) {
  				$(this).removeClass("ui-datepicker-next-hover");
  			}
  		})
  		.delegate( selector, "mouseover", datepicker_handleMouseover );
  }
  
  function datepicker_handleMouseover() {
  	if (!$.datepicker._isDisabledDatepicker( datepicker_instActive.inline? datepicker_instActive.dpDiv.parent()[0] : datepicker_instActive.input[0])) {
  		$(this).parents(".ui-datepicker-calendar").find("a").removeClass("ui-state-hover");
  		$(this).addClass("ui-state-hover");
  		if (this.className.indexOf("ui-datepicker-prev") !== -1) {
  			$(this).addClass("ui-datepicker-prev-hover");
  		}
  		if (this.className.indexOf("ui-datepicker-next") !== -1) {
  			$(this).addClass("ui-datepicker-next-hover");
  		}
  	}
  }
  
  /* jQuery extend now ignores nulls! */
  function datepicker_extendRemove(target, props) {
  	$.extend(target, props);
  	for (var name in props) {
  		if (props[name] == null) {
  			target[name] = props[name];
  		}
  	}
  	return target;
  }
  
  /* Invoke the datepicker functionality.
     @param  options  string - a command, optionally followed by additional parameters or
  					Object - settings for attaching new datepicker functionality
     @return  jQuery object */
  $.fn.datepicker = function(options){
  
  	/* Verify an empty collection wasn't passed - Fixes #6976 */
  	if ( !this.length ) {
  		return this;
  	}
  
  	/* Initialise the date picker. */
  	if (!$.datepicker.initialized) {
  		$(document).mousedown($.datepicker._checkExternalClick);
  		$.datepicker.initialized = true;
  	}
  
  	/* Append datepicker main container to body if not exist. */
  	if ($("#"+$.datepicker._mainDivId).length === 0) {
  		$("body").append($.datepicker.dpDiv);
  	}
  
  	var otherArgs = Array.prototype.slice.call(arguments, 1);
  	if (typeof options === "string" && (options === "isDisabled" || options === "getDate" || options === "widget")) {
  		return $.datepicker["_" + options + "Datepicker"].
  			apply($.datepicker, [this[0]].concat(otherArgs));
  	}
  	if (options === "option" && arguments.length === 2 && typeof arguments[1] === "string") {
  		return $.datepicker["_" + options + "Datepicker"].
  			apply($.datepicker, [this[0]].concat(otherArgs));
  	}
  	return this.each(function() {
  		typeof options === "string" ?
  			$.datepicker["_" + options + "Datepicker"].
  				apply($.datepicker, [this].concat(otherArgs)) :
  			$.datepicker._attachDatepicker(this, options);
  	});
  };
  
  $.datepicker = new Datepicker(); // singleton instance
  $.datepicker.initialized = false;
  $.datepicker.uuid = new Date().getTime();
  $.datepicker.version = "1.11.4";
  
  var datepicker = $.datepicker;
  
  
  
  }));