text: /*! jQuery UI - v1.11.4 - 2015-03-16
  * http://jqueryui.com
  * Includes: core.js, widget.js, mouse.js, draggable.js, droppable.js, resizable.js, selectable.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.on( eventType + ".ui-disableSelection", function( event ) {
  				event.preventDefault();
  			});
  		};
  	})(),
  
  	enableSelection: function() {
  		return this.off( ".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
  			.off( this.eventNamespace )
  			.removeData( this.widgetFullName )
  			// support: jquery <1.6.3
  			// http://bugs.jquery.com/ticket/9413
  			.removeData( $.camelCase( this.widgetFullName ) );
  		this.widget()
  			.off( this.eventNamespace )
  			.removeAttr( "aria-disabled" )
  			.removeClass(
  				this.widgetFullName + "-disabled " +
  				"ui-state-disabled" );
  
  		// clean up events and states
  		this.bindings.off( 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.on( eventName, handlerProxy );
  			}
  		});
  	},
  
  	_off: function( element, eventName ) {
  		eventName = (eventName || "").split( " " ).join( this.eventNamespace + " " ) +
  			this.eventNamespace;
  		element.off( 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
  			.on("mousedown." + this.widgetName, function(event) {
  				return that._mouseDown(event);
  			})
  			.on("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.off("." + this.widgetName);
  		if ( this._mouseMoveDelegate ) {
  			this.document
  				.off("mousemove." + this.widgetName, this._mouseMoveDelegate)
  				.off("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
  			.on( "mousemove." + this.widgetName, this._mouseMoveDelegate )
  			.on( "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
  			.off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
  			.off( "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 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 Droppable 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/droppable/
   */
  
  
  $.widget( "ui.droppable", {
  	version: "1.11.4",
  	widgetEventPrefix: "drop",
  	options: {
  		accept: "*",
  		activeClass: false,
  		addClasses: true,
  		greedy: false,
  		hoverClass: false,
  		scope: "default",
  		tolerance: "intersect",
  
  		// callbacks
  		activate: null,
  		deactivate: null,
  		drop: null,
  		out: null,
  		over: null
  	},
  	_create: function() {
  
  		var proportions,
  			o = this.options,
  			accept = o.accept;
  
  		this.isover = false;
  		this.isout = true;
  
  		this.accept = $.isFunction( accept ) ? accept : function( d ) {
  			return d.is( accept );
  		};
  
  		this.proportions = function( /* valueToWrite */ ) {
  			if ( arguments.length ) {
  				// Store the droppable's proportions
  				proportions = arguments[ 0 ];
  			} else {
  				// Retrieve or derive the droppable's proportions
  				return proportions ?
  					proportions :
  					proportions = {
  						width: this.element[ 0 ].offsetWidth,
  						height: this.element[ 0 ].offsetHeight
  					};
  			}
  		};
  
  		this._addToManager( o.scope );
  
  		o.addClasses && this.element.addClass( "ui-droppable" );
  
  	},
  
  	_addToManager: function( scope ) {
  		// Add the reference and positions to the manager
  		$.ui.ddmanager.droppables[ scope ] = $.ui.ddmanager.droppables[ scope ] || [];
  		$.ui.ddmanager.droppables[ scope ].push( this );
  	},
  
  	_splice: function( drop ) {
  		var i = 0;
  		for ( ; i < drop.length; i++ ) {
  			if ( drop[ i ] === this ) {
  				drop.splice( i, 1 );
  			}
  		}
  	},
  
  	_destroy: function() {
  		var drop = $.ui.ddmanager.droppables[ this.options.scope ];
  
  		this._splice( drop );
  
  		this.element.removeClass( "ui-droppable ui-droppable-disabled" );
  	},
  
  	_setOption: function( key, value ) {
  
  		if ( key === "accept" ) {
  			this.accept = $.isFunction( value ) ? value : function( d ) {
  				return d.is( value );
  			};
  		} else if ( key === "scope" ) {
  			var drop = $.ui.ddmanager.droppables[ this.options.scope ];
  
  			this._splice( drop );
  			this._addToManager( value );
  		}
  
  		this._super( key, value );
  	},
  
  	_activate: function( event ) {
  		var draggable = $.ui.ddmanager.current;
  		if ( this.options.activeClass ) {
  			this.element.addClass( this.options.activeClass );
  		}
  		if ( draggable ){
  			this._trigger( "activate", event, this.ui( draggable ) );
  		}
  	},
  
  	_deactivate: function( event ) {
  		var draggable = $.ui.ddmanager.current;
  		if ( this.options.activeClass ) {
  			this.element.removeClass( this.options.activeClass );
  		}
  		if ( draggable ){
  			this._trigger( "deactivate", event, this.ui( draggable ) );
  		}
  	},
  
  	_over: function( event ) {
  
  		var draggable = $.ui.ddmanager.current;
  
  		// Bail if draggable and droppable are same element
  		if ( !draggable || ( draggable.currentItem || draggable.element )[ 0 ] === this.element[ 0 ] ) {
  			return;
  		}
  
  		if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem || draggable.element ) ) ) {
  			if ( this.options.hoverClass ) {
  				this.element.addClass( this.options.hoverClass );
  			}
  			this._trigger( "over", event, this.ui( draggable ) );
  		}
  
  	},
  
  	_out: function( event ) {
  
  		var draggable = $.ui.ddmanager.current;
  
  		// Bail if draggable and droppable are same element
  		if ( !draggable || ( draggable.currentItem || draggable.element )[ 0 ] === this.element[ 0 ] ) {
  			return;
  		}
  
  		if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem || draggable.element ) ) ) {
  			if ( this.options.hoverClass ) {
  				this.element.removeClass( this.options.hoverClass );
  			}
  			this._trigger( "out", event, this.ui( draggable ) );
  		}
  
  	},
  
  	_drop: function( event, custom ) {
  
  		var draggable = custom || $.ui.ddmanager.current,
  			childrenIntersection = false;
  
  		// Bail if draggable and droppable are same element
  		if ( !draggable || ( draggable.currentItem || draggable.element )[ 0 ] === this.element[ 0 ] ) {
  			return false;
  		}
  
  		this.element.find( ":data(ui-droppable)" ).not( ".ui-draggable-dragging" ).each(function() {
  			var inst = $( this ).droppable( "instance" );
  			if (
  				inst.options.greedy &&
  				!inst.options.disabled &&
  				inst.options.scope === draggable.options.scope &&
  				inst.accept.call( inst.element[ 0 ], ( draggable.currentItem || draggable.element ) ) &&
  				$.ui.intersect( draggable, $.extend( inst, { offset: inst.element.offset() } ), inst.options.tolerance, event )
  			) { childrenIntersection = true; return false; }
  		});
  		if ( childrenIntersection ) {
  			return false;
  		}
  
  		if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem || draggable.element ) ) ) {
  			if ( this.options.activeClass ) {
  				this.element.removeClass( this.options.activeClass );
  			}
  			if ( this.options.hoverClass ) {
  				this.element.removeClass( this.options.hoverClass );
  			}
  			this._trigger( "drop", event, this.ui( draggable ) );
  			return this.element;
  		}
  
  		return false;
  
  	},
  
  	ui: function( c ) {
  		return {
  			draggable: ( c.currentItem || c.element ),
  			helper: c.helper,
  			position: c.position,
  			offset: c.positionAbs
  		};
  	}
  
  });
  
  $.ui.intersect = (function() {
  	function isOverAxis( x, reference, size ) {
  		return ( x >= reference ) && ( x < ( reference + size ) );
  	}
  
  	return function( draggable, droppable, toleranceMode, event ) {
  
  		if ( !droppable.offset ) {
  			return false;
  		}
  
  		var x1 = ( draggable.positionAbs || draggable.position.absolute ).left + draggable.margins.left,
  			y1 = ( draggable.positionAbs || draggable.position.absolute ).top + draggable.margins.top,
  			x2 = x1 + draggable.helperProportions.width,
  			y2 = y1 + draggable.helperProportions.height,
  			l = droppable.offset.left,
  			t = droppable.offset.top,
  			r = l + droppable.proportions().width,
  			b = t + droppable.proportions().height;
  
  		switch ( toleranceMode ) {
  		case "fit":
  			return ( l <= x1 && x2 <= r && t <= y1 && y2 <= b );
  		case "intersect":
  			return ( l < x1 + ( draggable.helperProportions.width / 2 ) && // Right Half
  				x2 - ( draggable.helperProportions.width / 2 ) < r && // Left Half
  				t < y1 + ( draggable.helperProportions.height / 2 ) && // Bottom Half
  				y2 - ( draggable.helperProportions.height / 2 ) < b ); // Top Half
  		case "pointer":
  			return isOverAxis( event.pageY, t, droppable.proportions().height ) && isOverAxis( event.pageX, l, droppable.proportions().width );
  		case "touch":
  			return (
  				( y1 >= t && y1 <= b ) || // Top edge touching
  				( y2 >= t && y2 <= b ) || // Bottom edge touching
  				( y1 < t && y2 > b ) // Surrounded vertically
  			) && (
  				( x1 >= l && x1 <= r ) || // Left edge touching
  				( x2 >= l && x2 <= r ) || // Right edge touching
  				( x1 < l && x2 > r ) // Surrounded horizontally
  			);
  		default:
  			return false;
  		}
  	};
  })();
  
  /*
  	This manager tracks offsets of draggables and droppables
  */
  $.ui.ddmanager = {
  	current: null,
  	droppables: { "default": [] },
  	prepareOffsets: function( t, event ) {
  
  		var i, j,
  			m = $.ui.ddmanager.droppables[ t.options.scope ] || [],
  			type = event ? event.type : null, // workaround for #2317
  			list = ( t.currentItem || t.element ).find( ":data(ui-droppable)" ).addBack();
  
  		droppablesLoop: for ( i = 0; i < m.length; i++ ) {
  
  			// No disabled and non-accepted
  			if ( m[ i ].options.disabled || ( t && !m[ i ].accept.call( m[ i ].element[ 0 ], ( t.currentItem || t.element ) ) ) ) {
  				continue;
  			}
  
  			// Filter out elements in the current dragged item
  			for ( j = 0; j < list.length; j++ ) {
  				if ( list[ j ] === m[ i ].element[ 0 ] ) {
  					m[ i ].proportions().height = 0;
  					continue droppablesLoop;
  				}
  			}
  
  			m[ i ].visible = m[ i ].element.css( "display" ) !== "none";
  			if ( !m[ i ].visible ) {
  				continue;
  			}
  
  			// Activate the droppable if used directly from draggables
  			if ( type === "mousedown" ) {
  				m[ i ]._activate.call( m[ i ], event );
  			}
  
  			m[ i ].offset = m[ i ].element.offset();
  			m[ i ].proportions({ width: m[ i ].element[ 0 ].offsetWidth, height: m[ i ].element[ 0 ].offsetHeight });
  
  		}
  
  	},
  	drop: function( draggable, event ) {
  
  		var dropped = false;
  		// Create a copy of the droppables in case the list changes during the drop (#9116)
  		$.each( ( $.ui.ddmanager.droppables[ draggable.options.scope ] || [] ).slice(), function() {
  
  			if ( !this.options ) {
  				return;
  			}
  			if ( !this.options.disabled && this.visible && $.ui.intersect( draggable, this, this.options.tolerance, event ) ) {
  				dropped = this._drop.call( this, event ) || dropped;
  			}
  
  			if ( !this.options.disabled && this.visible && this.accept.call( this.element[ 0 ], ( draggable.currentItem || draggable.element ) ) ) {
  				this.isout = true;
  				this.isover = false;
  				this._deactivate.call( this, event );
  			}
  
  		});
  		return dropped;
  
  	},
  	dragStart: function( draggable, event ) {
  		// Listen for scrolling so that if the dragging causes scrolling the position of the droppables can be recalculated (see #5003)
  		draggable.element.parentsUntil( "body" ).on( "scroll.droppable", function() {
  			if ( !draggable.options.refreshPositions ) {
  				$.ui.ddmanager.prepareOffsets( draggable, event );
  			}
  		});
  	},
  	drag: function( draggable, event ) {
  
  		// If you have a highly dynamic page, you might try this option. It renders positions every time you move the mouse.
  		if ( draggable.options.refreshPositions ) {
  			$.ui.ddmanager.prepareOffsets( draggable, event );
  		}
  
  		// Run through all droppables and check their positions based on specific tolerance options
  		$.each( $.ui.ddmanager.droppables[ draggable.options.scope ] || [], function() {
  
  			if ( this.options.disabled || this.greedyChild || !this.visible ) {
  				return;
  			}
  
  			var parentInstance, scope, parent,
  				intersects = $.ui.intersect( draggable, this, this.options.tolerance, event ),
  				c = !intersects && this.isover ? "isout" : ( intersects && !this.isover ? "isover" : null );
  			if ( !c ) {
  				return;
  			}
  
  			if ( this.options.greedy ) {
  				// find droppable parents with same scope
  				scope = this.options.scope;
  				parent = this.element.parents( ":data(ui-droppable)" ).filter(function() {
  					return $( this ).droppable( "instance" ).options.scope === scope;
  				});
  
  				if ( parent.length ) {
  					parentInstance = $( parent[ 0 ] ).droppable( "instance" );
  					parentInstance.greedyChild = ( c === "isover" );
  				}
  			}
  
  			// we just moved into a greedy child
  			if ( parentInstance && c === "isover" ) {
  				parentInstance.isover = false;
  				parentInstance.isout = true;
  				parentInstance._out.call( parentInstance, event );
  			}
  
  			this[ c ] = true;
  			this[c === "isout" ? "isover" : "isout"] = false;
  			this[c === "isover" ? "_over" : "_out"].call( this, event );
  
  			// we just moved out of a greedy child
  			if ( parentInstance && c === "isout" ) {
  				parentInstance.isout = false;
  				parentInstance.isover = true;
  				parentInstance._over.call( parentInstance, event );
  			}
  		});
  
  	},
  	dragStop: function( draggable, event ) {
  		draggable.element.parentsUntil( "body" ).off( "scroll.droppable" );
  		// Call prepareOffsets one final time since IE does not fire return scroll events when overflow was caused by drag (see #5003)
  		if ( !draggable.options.refreshPositions ) {
  			$.ui.ddmanager.prepareOffsets( draggable, event );
  		}
  	}
  };
  
  var droppable = $.ui.droppable;
  
  
  /*!
   * 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")
  					.off(".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 Selectable 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/selectable/
   */
  
  
  var selectable = $.widget("ui.selectable", $.ui.mouse, {
  	version: "1.11.4",
  	options: {
  		appendTo: "body",
  		autoRefresh: true,
  		distance: 0,
  		filter: "*",
  		tolerance: "touch",
  
  		// callbacks
  		selected: null,
  		selecting: null,
  		start: null,
  		stop: null,
  		unselected: null,
  		unselecting: null
  	},
  	_create: function() {
  		var selectees,
  			that = this;
  
  		this.element.addClass("ui-selectable");
  
  		this.dragged = false;
  
  		// cache selectee children based on filter
  		this.refresh = function() {
  			selectees = $(that.options.filter, that.element[0]);
  			selectees.addClass("ui-selectee");
  			selectees.each(function() {
  				var $this = $(this),
  					pos = $this.offset();
  				$.data(this, "selectable-item", {
  					element: this,
  					$element: $this,
  					left: pos.left,
  					top: pos.top,
  					right: pos.left + $this.outerWidth(),
  					bottom: pos.top + $this.outerHeight(),
  					startselected: false,
  					selected: $this.hasClass("ui-selected"),
  					selecting: $this.hasClass("ui-selecting"),
  					unselecting: $this.hasClass("ui-unselecting")
  				});
  			});
  		};
  		this.refresh();
  
  		this.selectees = selectees.addClass("ui-selectee");
  
  		this._mouseInit();
  
  		this.helper = $("<div class='ui-selectable-helper'></div>");
  	},
  
  	_destroy: function() {
  		this.selectees
  			.removeClass("ui-selectee")
  			.removeData("selectable-item");
  		this.element
  			.removeClass("ui-selectable ui-selectable-disabled");
  		this._mouseDestroy();
  	},
  
  	_mouseStart: function(event) {
  		var that = this,
  			options = this.options;
  
  		this.opos = [ event.pageX, event.pageY ];
  
  		if (this.options.disabled) {
  			return;
  		}
  
  		this.selectees = $(options.filter, this.element[0]);
  
  		this._trigger("start", event);
  
  		$(options.appendTo).append(this.helper);
  		// position helper (lasso)
  		this.helper.css({
  			"left": event.pageX,
  			"top": event.pageY,
  			"width": 0,
  			"height": 0
  		});
  
  		if (options.autoRefresh) {
  			this.refresh();
  		}
  
  		this.selectees.filter(".ui-selected").each(function() {
  			var selectee = $.data(this, "selectable-item");
  			selectee.startselected = true;
  			if (!event.metaKey && !event.ctrlKey) {
  				selectee.$element.removeClass("ui-selected");
  				selectee.selected = false;
  				selectee.$element.addClass("ui-unselecting");
  				selectee.unselecting = true;
  				// selectable UNSELECTING callback
  				that._trigger("unselecting", event, {
  					unselecting: selectee.element
  				});
  			}
  		});
  
  		$(event.target).parents().addBack().each(function() {
  			var doSelect,
  				selectee = $.data(this, "selectable-item");
  			if (selectee) {
  				doSelect = (!event.metaKey && !event.ctrlKey) || !selectee.$element.hasClass("ui-selected");
  				selectee.$element
  					.removeClass(doSelect ? "ui-unselecting" : "ui-selected")
  					.addClass(doSelect ? "ui-selecting" : "ui-unselecting");
  				selectee.unselecting = !doSelect;
  				selectee.selecting = doSelect;
  				selectee.selected = doSelect;
  				// selectable (UN)SELECTING callback
  				if (doSelect) {
  					that._trigger("selecting", event, {
  						selecting: selectee.element
  					});
  				} else {
  					that._trigger("unselecting", event, {
  						unselecting: selectee.element
  					});
  				}
  				return false;
  			}
  		});
  
  	},
  
  	_mouseDrag: function(event) {
  
  		this.dragged = true;
  
  		if (this.options.disabled) {
  			return;
  		}
  
  		var tmp,
  			that = this,
  			options = this.options,
  			x1 = this.opos[0],
  			y1 = this.opos[1],
  			x2 = event.pageX,
  			y2 = event.pageY;
  
  		if (x1 > x2) { tmp = x2; x2 = x1; x1 = tmp; }
  		if (y1 > y2) { tmp = y2; y2 = y1; y1 = tmp; }
  		this.helper.css({ left: x1, top: y1, width: x2 - x1, height: y2 - y1 });
  
  		this.selectees.each(function() {
  			var selectee = $.data(this, "selectable-item"),
  				hit = false;
  
  			//prevent helper from being selected if appendTo: selectable
  			if (!selectee || selectee.element === that.element[0]) {
  				return;
  			}
  
  			if (options.tolerance === "touch") {
  				hit = ( !(selectee.left > x2 || selectee.right < x1 || selectee.top > y2 || selectee.bottom < y1) );
  			} else if (options.tolerance === "fit") {
  				hit = (selectee.left > x1 && selectee.right < x2 && selectee.top > y1 && selectee.bottom < y2);
  			}
  
  			if (hit) {
  				// SELECT
  				if (selectee.selected) {
  					selectee.$element.removeClass("ui-selected");
  					selectee.selected = false;
  				}
  				if (selectee.unselecting) {
  					selectee.$element.removeClass("ui-unselecting");
  					selectee.unselecting = false;
  				}
  				if (!selectee.selecting) {
  					selectee.$element.addClass("ui-selecting");
  					selectee.selecting = true;
  					// selectable SELECTING callback
  					that._trigger("selecting", event, {
  						selecting: selectee.element
  					});
  				}
  			} else {
  				// UNSELECT
  				if (selectee.selecting) {
  					if ((event.metaKey || event.ctrlKey) && selectee.startselected) {
  						selectee.$element.removeClass("ui-selecting");
  						selectee.selecting = false;
  						selectee.$element.addClass("ui-selected");
  						selectee.selected = true;
  					} else {
  						selectee.$element.removeClass("ui-selecting");
  						selectee.selecting = false;
  						if (selectee.startselected) {
  							selectee.$element.addClass("ui-unselecting");
  							selectee.unselecting = true;
  						}
  						// selectable UNSELECTING callback
  						that._trigger("unselecting", event, {
  							unselecting: selectee.element
  						});
  					}
  				}
  				if (selectee.selected) {
  					if (!event.metaKey && !event.ctrlKey && !selectee.startselected) {
  						selectee.$element.removeClass("ui-selected");
  						selectee.selected = false;
  
  						selectee.$element.addClass("ui-unselecting");
  						selectee.unselecting = true;
  						// selectable UNSELECTING callback
  						that._trigger("unselecting", event, {
  							unselecting: selectee.element
  						});
  					}
  				}
  			}
  		});
  
  		return false;
  	},
  
  	_mouseStop: function(event) {
  		var that = this;
  
  		this.dragged = false;
  
  		$(".ui-unselecting", this.element[0]).each(function() {
  			var selectee = $.data(this, "selectable-item");
  			selectee.$element.removeClass("ui-unselecting");
  			selectee.unselecting = false;
  			selectee.startselected = false;
  			that._trigger("unselected", event, {
  				unselected: selectee.element
  			});
  		});
  		$(".ui-selecting", this.element[0]).each(function() {
  			var selectee = $.data(this, "selectable-item");
  			selectee.$element.removeClass("ui-selecting").addClass("ui-selected");
  			selectee.selecting = false;
  			selectee.selected = true;
  			selectee.startselected = true;
  			that._trigger("selected", event, {
  				selected: selectee.element
  			});
  		});
  		this._trigger("stop", event);
  
  		this.helper.remove();
  
  		return false;
  	}
  
  });
  
  
  /*!
   * 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
  		};
  	}
  
  });
  
  
  
  }));