text: /*! jQuery UI - v1.11.4 - 2015-04-21
  * http://jqueryui.com
  * Includes: core.js, widget.js, mouse.js, sortable.js
  * Copyright 2015 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 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
  		};
  	}
  
  });
  
  
  
  }));