text: /*! jQuery UI - v1.12.1 - 2017-11-15
  * http://jqueryui.com
  * Includes: widget.js, data.js, disable-selection.js, scroll-parent.js, widgets/draggable.js, widgets/mouse.js
  * Copyright jQuery Foundation and other contributors; Licensed MIT */
  
  (function( factory ) {
  	if ( typeof define === "function" && define.amd ) {
  
  		// AMD. Register as an anonymous module.
  		define([ "jquery" ], factory );
  	} else {
  
  		// Browser globals
  		factory( jQuery );
  	}
  }(function( $ ) {
  
  $.ui = $.ui || {};
  
  var version = $.ui.version = "1.12.1";
  
  
  /*!
   * jQuery UI Widget 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */
  
  //>>label: Widget
  //>>group: Core
  //>>description: Provides a factory for creating stateful widgets with a common API.
  //>>docs: http://api.jqueryui.com/jQuery.widget/
  //>>demos: http://jqueryui.com/widget/
  
  
  
  var widgetUuid = 0;
  var widgetSlice = 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 existingConstructor, constructor, basePrototype;
  
  	// ProxiedPrototype allows the provided prototype to remain unmodified
  	// so that it can be used as a mixin for multiple widgets (#8876)
  	var proxiedPrototype = {};
  
  	var namespace = name.split( "." )[ 0 ];
  	name = name.split( "." )[ 1 ];
  	var fullName = namespace + "-" + name;
  
  	if ( !prototype ) {
  		prototype = base;
  		base = $.Widget;
  	}
  
  	if ( $.isArray( prototype ) ) {
  		prototype = $.extend.apply( null, [ {} ].concat( prototype ) );
  	}
  
  	// 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() {
  			function _super() {
  				return base.prototype[ prop ].apply( this, arguments );
  			}
  
  			function _superApply( args ) {
  				return base.prototype[ prop ].apply( this, args );
  			}
  
  			return function() {
  				var __super = this._super;
  				var __superApply = this._superApply;
  				var 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 = widgetSlice.call( arguments, 1 );
  	var inputIndex = 0;
  	var inputLength = input.length;
  	var key;
  	var 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";
  		var args = widgetSlice.call( arguments, 1 );
  		var returnValue = this;
  
  		if ( isMethodCall ) {
  
  			// If this is an empty collection, we need to have the instance method
  			// return undefined instead of the jQuery instance
  			if ( !this.length && options === "instance" ) {
  				returnValue = undefined;
  			} else {
  				this.each( function() {
  					var methodValue;
  					var 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: {
  		classes: {},
  		disabled: false,
  
  		// Callbacks
  		create: null
  	},
  
  	_createWidget: function( options, element ) {
  		element = $( element || this.defaultElement || this )[ 0 ];
  		this.element = $( element );
  		this.uuid = widgetUuid++;
  		this.eventNamespace = "." + this.widgetName + this.uuid;
  
  		this.bindings = $();
  		this.hoverable = $();
  		this.focusable = $();
  		this.classesElementLookup = {};
  
  		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();
  
  		if ( this.options.disabled ) {
  			this._setOptionDisabled( this.options.disabled );
  		}
  
  		this._trigger( "create", null, this._getCreateEventData() );
  		this._init();
  	},
  
  	_getCreateOptions: function() {
  		return {};
  	},
  
  	_getCreateEventData: $.noop,
  
  	_create: $.noop,
  
  	_init: $.noop,
  
  	destroy: function() {
  		var that = this;
  
  		this._destroy();
  		$.each( this.classesElementLookup, function( key, value ) {
  			that._removeClass( value, key );
  		} );
  
  		// 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 );
  		this.widget()
  			.off( this.eventNamespace )
  			.removeAttr( "aria-disabled" );
  
  		// Clean up events and states
  		this.bindings.off( this.eventNamespace );
  	},
  
  	_destroy: $.noop,
  
  	widget: function() {
  		return this.element;
  	},
  
  	option: function( key, value ) {
  		var options = key;
  		var parts;
  		var curOption;
  		var 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 ) {
  		if ( key === "classes" ) {
  			this._setOptionClasses( value );
  		}
  
  		this.options[ key ] = value;
  
  		if ( key === "disabled" ) {
  			this._setOptionDisabled( value );
  		}
  
  		return this;
  	},
  
  	_setOptionClasses: function( value ) {
  		var classKey, elements, currentElements;
  
  		for ( classKey in value ) {
  			currentElements = this.classesElementLookup[ classKey ];
  			if ( value[ classKey ] === this.options.classes[ classKey ] ||
  					!currentElements ||
  					!currentElements.length ) {
  				continue;
  			}
  
  			// We are doing this to create a new jQuery object because the _removeClass() call
  			// on the next line is going to destroy the reference to the current elements being
  			// tracked. We need to save a copy of this collection so that we can add the new classes
  			// below.
  			elements = $( currentElements.get() );
  			this._removeClass( currentElements, classKey );
  
  			// We don't use _addClass() here, because that uses this.options.classes
  			// for generating the string of classes. We want to use the value passed in from
  			// _setOption(), this is the new value of the classes option which was passed to
  			// _setOption(). We pass this value directly to _classes().
  			elements.addClass( this._classes( {
  				element: elements,
  				keys: classKey,
  				classes: value,
  				add: true
  			} ) );
  		}
  	},
  
  	_setOptionDisabled: function( value ) {
  		this._toggleClass( this.widget(), this.widgetFullName + "-disabled", null, !!value );
  
  		// If the widget is becoming disabled, then nothing is interactive
  		if ( value ) {
  			this._removeClass( this.hoverable, null, "ui-state-hover" );
  			this._removeClass( this.focusable, null, "ui-state-focus" );
  		}
  	},
  
  	enable: function() {
  		return this._setOptions( { disabled: false } );
  	},
  
  	disable: function() {
  		return this._setOptions( { disabled: true } );
  	},
  
  	_classes: function( options ) {
  		var full = [];
  		var that = this;
  
  		options = $.extend( {
  			element: this.element,
  			classes: this.options.classes || {}
  		}, options );
  
  		function processClassString( classes, checkOption ) {
  			var current, i;
  			for ( i = 0; i < classes.length; i++ ) {
  				current = that.classesElementLookup[ classes[ i ] ] || $();
  				if ( options.add ) {
  					current = $( $.unique( current.get().concat( options.element.get() ) ) );
  				} else {
  					current = $( current.not( options.element ).get() );
  				}
  				that.classesElementLookup[ classes[ i ] ] = current;
  				full.push( classes[ i ] );
  				if ( checkOption && options.classes[ classes[ i ] ] ) {
  					full.push( options.classes[ classes[ i ] ] );
  				}
  			}
  		}
  
  		this._on( options.element, {
  			"remove": "_untrackClassesElement"
  		} );
  
  		if ( options.keys ) {
  			processClassString( options.keys.match( /\S+/g ) || [], true );
  		}
  		if ( options.extra ) {
  			processClassString( options.extra.match( /\S+/g ) || [] );
  		}
  
  		return full.join( " " );
  	},
  
  	_untrackClassesElement: function( event ) {
  		var that = this;
  		$.each( that.classesElementLookup, function( key, value ) {
  			if ( $.inArray( event.target, value ) !== -1 ) {
  				that.classesElementLookup[ key ] = $( value.not( event.target ).get() );
  			}
  		} );
  	},
  
  	_removeClass: function( element, keys, extra ) {
  		return this._toggleClass( element, keys, extra, false );
  	},
  
  	_addClass: function( element, keys, extra ) {
  		return this._toggleClass( element, keys, extra, true );
  	},
  
  	_toggleClass: function( element, keys, extra, add ) {
  		add = ( typeof add === "boolean" ) ? add : extra;
  		var shift = ( typeof element === "string" || element === null ),
  			options = {
  				extra: shift ? keys : extra,
  				keys: shift ? element : keys,
  				element: shift ? this.element : element,
  				add: add
  			};
  		options.element.toggleClass( this._classes( options ), add );
  		return this;
  	},
  
  	_on: function( suppressDisabledCheck, element, handlers ) {
  		var delegateElement;
  		var 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*(.*)$/ );
  			var eventName = match[ 1 ] + instance.eventNamespace;
  			var selector = match[ 2 ];
  
  			if ( selector ) {
  				delegateElement.on( eventName, selector, handlerProxy );
  			} else {
  				element.on( eventName, handlerProxy );
  			}
  		} );
  	},
  
  	_off: function( element, eventName ) {
  		eventName = ( eventName || "" ).split( " " ).join( this.eventNamespace + " " ) +
  			this.eventNamespace;
  		element.off( eventName ).off( 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 ) {
  				this._addClass( $( event.currentTarget ), null, "ui-state-hover" );
  			},
  			mouseleave: function( event ) {
  				this._removeClass( $( event.currentTarget ), null, "ui-state-hover" );
  			}
  		} );
  	},
  
  	_focusable: function( element ) {
  		this.focusable = this.focusable.add( element );
  		this._on( element, {
  			focusin: function( event ) {
  				this._addClass( $( event.currentTarget ), null, "ui-state-focus" );
  			},
  			focusout: function( event ) {
  				this._removeClass( $( event.currentTarget ), null, "ui-state-focus" );
  			}
  		} );
  	},
  
  	_trigger: function( type, event, data ) {
  		var prop, orig;
  		var 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;
  		var 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 :data 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */
  
  //>>label: :data Selector
  //>>group: Core
  //>>description: Selects elements which have data stored under the specified key.
  //>>docs: http://api.jqueryui.com/data-selector/
  
  
  var data = $.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 ] );
  		}
  } );
  
  /*!
   * jQuery UI Disable Selection 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */
  
  //>>label: disableSelection
  //>>group: Core
  //>>description: Disable selection of text content within the set of matched elements.
  //>>docs: http://api.jqueryui.com/disableSelection/
  
  // This file is deprecated
  
  
  var disableSelection = $.fn.extend( {
  	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" );
  	}
  } );
  
  
  /*!
   * jQuery UI Scroll Parent 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */
  
  //>>label: scrollParent
  //>>group: Core
  //>>description: Get the closest ancestor element that is scrollable.
  //>>docs: http://api.jqueryui.com/scrollParent/
  
  
  
  var scrollParent = $.fn.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;
  };
  
  
  
  
  // This file is deprecated
  var ie = $.ui.ie = !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() );
  
  /*!
   * jQuery UI Mouse 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */
  
  //>>label: Mouse
  //>>group: Widgets
  //>>description: Abstracts mouse-based interactions to assist in creating certain widgets.
  //>>docs: http://api.jqueryui.com/mouse/
  
  
  
  var mouseHandled = false;
  $( document ).on( "mouseup", function() {
  	mouseHandled = false;
  } );
  
  var widgetsMouse = $.widget( "ui.mouse", {
  	version: "1.12.1",
  	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 ) {
  
  				// Support: Safari <=8 - 9
  				// Safari sets which to 0 if you press any of the following keys
  				// during a drag (#14461)
  				if ( event.originalEvent.altKey || event.originalEvent.ctrlKey ||
  						event.originalEvent.metaKey || event.originalEvent.shiftKey ) {
  					this.ignoreMissingWhich = true;
  				} else if ( !this.ignoreMissingWhich ) {
  					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 );
  		}
  
  		if ( this._mouseDelayTimer ) {
  			clearTimeout( this._mouseDelayTimer );
  			delete this._mouseDelayTimer;
  		}
  
  		this.ignoreMissingWhich = false;
  		mouseHandled = false;
  		event.preventDefault();
  	},
  
  	_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; }
  } );
  
  
  
  
  // $.ui.plugin is deprecated. Use $.widget() extensions instead.
  var plugin = $.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 );
  			}
  		}
  	}
  };
  
  
  
  var safeActiveElement = $.ui.safeActiveElement = function( document ) {
  	var activeElement;
  
  	// Support: IE 9 only
  	// IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
  	try {
  		activeElement = document.activeElement;
  	} catch ( error ) {
  		activeElement = document.body;
  	}
  
  	// Support: IE 9 - 11 only
  	// IE may return null instead of an element
  	// Interestingly, this only seems to occur when NOT in an iframe
  	if ( !activeElement ) {
  		activeElement = document.body;
  	}
  
  	// Support: IE 11 only
  	// IE11 returns a seemingly empty object in some cases when accessing
  	// document.activeElement from an <iframe>
  	if ( !activeElement.nodeName ) {
  		activeElement = document.body;
  	}
  
  	return activeElement;
  };
  
  
  
  var safeBlur = $.ui.safeBlur = function( element ) {
  
  	// Support: IE9 - 10 only
  	// If the <body> is blurred, IE will switch windows, see #9420
  	if ( element && element.nodeName.toLowerCase() !== "body" ) {
  		$( element ).trigger( "blur" );
  	}
  };
  
  
  /*!
   * jQuery UI Draggable 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */
  
  //>>label: Draggable
  //>>group: Interactions
  //>>description: Enables dragging functionality for any element.
  //>>docs: http://api.jqueryui.com/draggable/
  //>>demos: http://jqueryui.com/draggable/
  //>>css.structure: ../../themes/base/draggable.css
  
  
  
  $.widget( "ui.draggable", $.ui.mouse, {
  	version: "1.12.1",
  	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._addClass( "ui-draggable" );
  		}
  		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._removeHandleClassName();
  		this._mouseDestroy();
  	},
  
  	_mouseCapture: function( event ) {
  		var o = this.options;
  
  		// 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._blurActiveElement( event );
  
  		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 activeElement = $.ui.safeActiveElement( this.document[ 0 ] ),
  			target = $( event.target );
  
  		// Don't blur if the event occurred on an element that is within
  		// the currently focused element
  		// See #10527, #12472
  		if ( target.closest( activeElement ).length ) {
  			return;
  		}
  
  		// Blur any element that currently has focus, see #4261
  		$.ui.safeBlur( activeElement );
  	},
  
  	_mouseStart: function( event ) {
  
  		var o = this.options;
  
  		//Create and append the visible helper
  		this.helper = this._createHelper( event );
  
  		this._addClass( this.helper, "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 );
  		}
  
  		// Execute the drag once - this causes the helper not to be visible before getting its
  		// correct position
  		this._mouseDrag( event, true );
  
  		// 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( new $.Event( "mouseup", event ) );
  				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.trigger( "focus" );
  		}
  
  		return $.ui.mouse.prototype._mouseUp.call( this, event );
  	},
  
  	cancel: function() {
  
  		if ( this.helper.is( ".ui-draggable-dragging" ) ) {
  			this._mouseUp( new $.Event( "mouseup", { target: this.element[ 0 ] } ) );
  		} 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._addClass( this.handleElement, "ui-draggable-handle" );
  	},
  
  	_removeHandleClassName: function() {
  		this._removeClass( this.handleElement, "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: (
  
  				// The absolute mouse position
  				pos.top	+
  
  				// Only for relative positioned nodes: Relative offset from element to offset parent
  				this.offset.relative.top * mod +
  
  				// The offsetParent's offset without borders (offset + border)
  				this.offset.parent.top * mod -
  				( ( this.cssPosition === "fixed" ?
  					-this.offset.scroll.top :
  					( scrollIsRootNode ? 0 : this.offset.scroll.top ) ) * mod )
  			),
  			left: (
  
  				// The absolute mouse position
  				pos.left +
  
  				// Only for relative positioned nodes: Relative offset from element to offset parent
  				this.offset.relative.left * mod +
  
  				// The offsetParent's offset without borders (offset + border)
  				this.offset.parent.left * mod	-
  				( ( 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: (
  
  				// The absolute mouse position
  				pageY -
  
  				// Click offset (relative to the element)
  				this.offset.click.top -
  
  				// Only for relative positioned nodes: Relative offset from element to offset parent
  				this.offset.relative.top -
  
  				// The offsetParent's offset without borders (offset + border)
  				this.offset.parent.top +
  				( this.cssPosition === "fixed" ?
  					-this.offset.scroll.top :
  					( scrollIsRootNode ? 0 : this.offset.scroll.top ) )
  			),
  			left: (
  
  				// The absolute mouse position
  				pageX -
  
  				// Click offset (relative to the element)
  				this.offset.click.left -
  
  				// Only for relative positioned nodes: Relative offset from element to offset parent
  				this.offset.relative.left -
  
  				// The offsetParent's offset without borders (offset + border)
  				this.offset.parent.left +
  				( this.cssPosition === "fixed" ?
  					-this.offset.scroll.left :
  					( scrollIsRootNode ? 0 : this.offset.scroll.left ) )
  			)
  		};
  
  	},
  
  	_clear: function() {
  		this._removeClass( this.helper, "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();
  		}
  	},
  
  	// 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 widgetsDraggable = $.ui.draggable;
  
  
  
  
  }));