web/data/jquery-migrate.js
changeset 9388 4c34a63bd113
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9387:f31f0c8bda4f 9388:4c34a63bd113
       
     1 /*!
       
     2  * jQuery Migrate - v1.2.1 - 2013-05-08
       
     3  * https://github.com/jquery/jquery-migrate
       
     4  * Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors; Licensed MIT
       
     5  */
       
     6 (function( jQuery, window, undefined ) {
       
     7 // See http://bugs.jquery.com/ticket/13335
       
     8 // "use strict";
       
     9 
       
    10 
       
    11 var warnedAbout = {};
       
    12 
       
    13 // List of warnings already given; public read only
       
    14 jQuery.migrateWarnings = [];
       
    15 
       
    16 // Set to true to prevent console output; migrateWarnings still maintained
       
    17 // jQuery.migrateMute = false;
       
    18 
       
    19 // Show a message on the console so devs know we're active
       
    20 if ( !jQuery.migrateMute && window.console && window.console.log ) {
       
    21 	window.console.log("JQMIGRATE: Logging is active");
       
    22 }
       
    23 
       
    24 // Set to false to disable traces that appear with warnings
       
    25 if ( jQuery.migrateTrace === undefined ) {
       
    26 	jQuery.migrateTrace = true;
       
    27 }
       
    28 
       
    29 // Forget any warnings we've already given; public
       
    30 jQuery.migrateReset = function() {
       
    31 	warnedAbout = {};
       
    32 	jQuery.migrateWarnings.length = 0;
       
    33 };
       
    34 
       
    35 function migrateWarn( msg) {
       
    36 	var console = window.console;
       
    37 	if ( !warnedAbout[ msg ] ) {
       
    38 		warnedAbout[ msg ] = true;
       
    39 		jQuery.migrateWarnings.push( msg );
       
    40 		if ( console && console.warn && !jQuery.migrateMute ) {
       
    41 			console.warn( "JQMIGRATE: " + msg );
       
    42 			if ( jQuery.migrateTrace && console.trace ) {
       
    43 				console.trace();
       
    44 			}
       
    45 		}
       
    46 	}
       
    47 }
       
    48 
       
    49 function migrateWarnProp( obj, prop, value, msg ) {
       
    50 	if ( Object.defineProperty ) {
       
    51 		// On ES5 browsers (non-oldIE), warn if the code tries to get prop;
       
    52 		// allow property to be overwritten in case some other plugin wants it
       
    53 		try {
       
    54 			Object.defineProperty( obj, prop, {
       
    55 				configurable: true,
       
    56 				enumerable: true,
       
    57 				get: function() {
       
    58 					migrateWarn( msg );
       
    59 					return value;
       
    60 				},
       
    61 				set: function( newValue ) {
       
    62 					migrateWarn( msg );
       
    63 					value = newValue;
       
    64 				}
       
    65 			});
       
    66 			return;
       
    67 		} catch( err ) {
       
    68 			// IE8 is a dope about Object.defineProperty, can't warn there
       
    69 		}
       
    70 	}
       
    71 
       
    72 	// Non-ES5 (or broken) browser; just set the property
       
    73 	jQuery._definePropertyBroken = true;
       
    74 	obj[ prop ] = value;
       
    75 }
       
    76 
       
    77 if ( document.compatMode === "BackCompat" ) {
       
    78 	// jQuery has never supported or tested Quirks Mode
       
    79 	migrateWarn( "jQuery is not compatible with Quirks Mode" );
       
    80 }
       
    81 
       
    82 
       
    83 var attrFn = jQuery( "<input/>", { size: 1 } ).attr("size") && jQuery.attrFn,
       
    84 	oldAttr = jQuery.attr,
       
    85 	valueAttrGet = jQuery.attrHooks.value && jQuery.attrHooks.value.get ||
       
    86 		function() { return null; },
       
    87 	valueAttrSet = jQuery.attrHooks.value && jQuery.attrHooks.value.set ||
       
    88 		function() { return undefined; },
       
    89 	rnoType = /^(?:input|button)$/i,
       
    90 	rnoAttrNodeType = /^[238]$/,
       
    91 	rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i,
       
    92 	ruseDefault = /^(?:checked|selected)$/i;
       
    93 
       
    94 // jQuery.attrFn
       
    95 migrateWarnProp( jQuery, "attrFn", attrFn || {}, "jQuery.attrFn is deprecated" );
       
    96 
       
    97 jQuery.attr = function( elem, name, value, pass ) {
       
    98 	var lowerName = name.toLowerCase(),
       
    99 		nType = elem && elem.nodeType;
       
   100 
       
   101 	if ( pass ) {
       
   102 		// Since pass is used internally, we only warn for new jQuery
       
   103 		// versions where there isn't a pass arg in the formal params
       
   104 		if ( oldAttr.length < 4 ) {
       
   105 			migrateWarn("jQuery.fn.attr( props, pass ) is deprecated");
       
   106 		}
       
   107 		if ( elem && !rnoAttrNodeType.test( nType ) &&
       
   108 			(attrFn ? name in attrFn : jQuery.isFunction(jQuery.fn[name])) ) {
       
   109 			return jQuery( elem )[ name ]( value );
       
   110 		}
       
   111 	}
       
   112 
       
   113 	// Warn if user tries to set `type`, since it breaks on IE 6/7/8; by checking
       
   114 	// for disconnected elements we don't warn on $( "<button>", { type: "button" } ).
       
   115 	if ( name === "type" && value !== undefined && rnoType.test( elem.nodeName ) && elem.parentNode ) {
       
   116 		migrateWarn("Can't change the 'type' of an input or button in IE 6/7/8");
       
   117 	}
       
   118 
       
   119 	// Restore boolHook for boolean property/attribute synchronization
       
   120 	if ( !jQuery.attrHooks[ lowerName ] && rboolean.test( lowerName ) ) {
       
   121 		jQuery.attrHooks[ lowerName ] = {
       
   122 			get: function( elem, name ) {
       
   123 				// Align boolean attributes with corresponding properties
       
   124 				// Fall back to attribute presence where some booleans are not supported
       
   125 				var attrNode,
       
   126 					property = jQuery.prop( elem, name );
       
   127 				return property === true || typeof property !== "boolean" &&
       
   128 					( attrNode = elem.getAttributeNode(name) ) && attrNode.nodeValue !== false ?
       
   129 
       
   130 					name.toLowerCase() :
       
   131 					undefined;
       
   132 			},
       
   133 			set: function( elem, value, name ) {
       
   134 				var propName;
       
   135 				if ( value === false ) {
       
   136 					// Remove boolean attributes when set to false
       
   137 					jQuery.removeAttr( elem, name );
       
   138 				} else {
       
   139 					// value is true since we know at this point it's type boolean and not false
       
   140 					// Set boolean attributes to the same name and set the DOM property
       
   141 					propName = jQuery.propFix[ name ] || name;
       
   142 					if ( propName in elem ) {
       
   143 						// Only set the IDL specifically if it already exists on the element
       
   144 						elem[ propName ] = true;
       
   145 					}
       
   146 
       
   147 					elem.setAttribute( name, name.toLowerCase() );
       
   148 				}
       
   149 				return name;
       
   150 			}
       
   151 		};
       
   152 
       
   153 		// Warn only for attributes that can remain distinct from their properties post-1.9
       
   154 		if ( ruseDefault.test( lowerName ) ) {
       
   155 			migrateWarn( "jQuery.fn.attr('" + lowerName + "') may use property instead of attribute" );
       
   156 		}
       
   157 	}
       
   158 
       
   159 	return oldAttr.call( jQuery, elem, name, value );
       
   160 };
       
   161 
       
   162 // attrHooks: value
       
   163 jQuery.attrHooks.value = {
       
   164 	get: function( elem, name ) {
       
   165 		var nodeName = ( elem.nodeName || "" ).toLowerCase();
       
   166 		if ( nodeName === "button" ) {
       
   167 			return valueAttrGet.apply( this, arguments );
       
   168 		}
       
   169 		if ( nodeName !== "input" && nodeName !== "option" ) {
       
   170 			migrateWarn("jQuery.fn.attr('value') no longer gets properties");
       
   171 		}
       
   172 		return name in elem ?
       
   173 			elem.value :
       
   174 			null;
       
   175 	},
       
   176 	set: function( elem, value ) {
       
   177 		var nodeName = ( elem.nodeName || "" ).toLowerCase();
       
   178 		if ( nodeName === "button" ) {
       
   179 			return valueAttrSet.apply( this, arguments );
       
   180 		}
       
   181 		if ( nodeName !== "input" && nodeName !== "option" ) {
       
   182 			migrateWarn("jQuery.fn.attr('value', val) no longer sets properties");
       
   183 		}
       
   184 		// Does not return so that setAttribute is also used
       
   185 		elem.value = value;
       
   186 	}
       
   187 };
       
   188 
       
   189 
       
   190 var matched, browser,
       
   191 	oldInit = jQuery.fn.init,
       
   192 	oldParseJSON = jQuery.parseJSON,
       
   193 	// Note: XSS check is done below after string is trimmed
       
   194 	rquickExpr = /^([^<]*)(<[\w\W]+>)([^>]*)$/;
       
   195 
       
   196 // $(html) "looks like html" rule change
       
   197 jQuery.fn.init = function( selector, context, rootjQuery ) {
       
   198 	var match;
       
   199 
       
   200 	if ( selector && typeof selector === "string" && !jQuery.isPlainObject( context ) &&
       
   201 			(match = rquickExpr.exec( jQuery.trim( selector ) )) && match[ 0 ] ) {
       
   202 		// This is an HTML string according to the "old" rules; is it still?
       
   203 		if ( selector.charAt( 0 ) !== "<" ) {
       
   204 			migrateWarn("$(html) HTML strings must start with '<' character");
       
   205 		}
       
   206 		if ( match[ 3 ] ) {
       
   207 			migrateWarn("$(html) HTML text after last tag is ignored");
       
   208 		}
       
   209 		// Consistently reject any HTML-like string starting with a hash (#9521)
       
   210 		// Note that this may break jQuery 1.6.x code that otherwise would work.
       
   211 		if ( match[ 0 ].charAt( 0 ) === "#" ) {
       
   212 			migrateWarn("HTML string cannot start with a '#' character");
       
   213 			jQuery.error("JQMIGRATE: Invalid selector string (XSS)");
       
   214 		}
       
   215 		// Now process using loose rules; let pre-1.8 play too
       
   216 		if ( context && context.context ) {
       
   217 			// jQuery object as context; parseHTML expects a DOM object
       
   218 			context = context.context;
       
   219 		}
       
   220 		if ( jQuery.parseHTML ) {
       
   221 			return oldInit.call( this, jQuery.parseHTML( match[ 2 ], context, true ),
       
   222 					context, rootjQuery );
       
   223 		}
       
   224 	}
       
   225 	return oldInit.apply( this, arguments );
       
   226 };
       
   227 jQuery.fn.init.prototype = jQuery.fn;
       
   228 
       
   229 // Let $.parseJSON(falsy_value) return null
       
   230 jQuery.parseJSON = function( json ) {
       
   231 	if ( !json && json !== null ) {
       
   232 		migrateWarn("jQuery.parseJSON requires a valid JSON string");
       
   233 		return null;
       
   234 	}
       
   235 	return oldParseJSON.apply( this, arguments );
       
   236 };
       
   237 
       
   238 jQuery.uaMatch = function( ua ) {
       
   239 	ua = ua.toLowerCase();
       
   240 
       
   241 	var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
       
   242 		/(webkit)[ \/]([\w.]+)/.exec( ua ) ||
       
   243 		/(opera)(?:.*version|)[ \/]([\w.]+)/.exec( ua ) ||
       
   244 		/(msie) ([\w.]+)/.exec( ua ) ||
       
   245 		ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec( ua ) ||
       
   246 		[];
       
   247 
       
   248 	return {
       
   249 		browser: match[ 1 ] || "",
       
   250 		version: match[ 2 ] || "0"
       
   251 	};
       
   252 };
       
   253 
       
   254 // Don't clobber any existing jQuery.browser in case it's different
       
   255 if ( !jQuery.browser ) {
       
   256 	matched = jQuery.uaMatch( navigator.userAgent );
       
   257 	browser = {};
       
   258 
       
   259 	if ( matched.browser ) {
       
   260 		browser[ matched.browser ] = true;
       
   261 		browser.version = matched.version;
       
   262 	}
       
   263 
       
   264 	// Chrome is Webkit, but Webkit is also Safari.
       
   265 	if ( browser.chrome ) {
       
   266 		browser.webkit = true;
       
   267 	} else if ( browser.webkit ) {
       
   268 		browser.safari = true;
       
   269 	}
       
   270 
       
   271 	jQuery.browser = browser;
       
   272 }
       
   273 
       
   274 // Warn if the code tries to get jQuery.browser
       
   275 migrateWarnProp( jQuery, "browser", jQuery.browser, "jQuery.browser is deprecated" );
       
   276 
       
   277 jQuery.sub = function() {
       
   278 	function jQuerySub( selector, context ) {
       
   279 		return new jQuerySub.fn.init( selector, context );
       
   280 	}
       
   281 	jQuery.extend( true, jQuerySub, this );
       
   282 	jQuerySub.superclass = this;
       
   283 	jQuerySub.fn = jQuerySub.prototype = this();
       
   284 	jQuerySub.fn.constructor = jQuerySub;
       
   285 	jQuerySub.sub = this.sub;
       
   286 	jQuerySub.fn.init = function init( selector, context ) {
       
   287 		if ( context && context instanceof jQuery && !(context instanceof jQuerySub) ) {
       
   288 			context = jQuerySub( context );
       
   289 		}
       
   290 
       
   291 		return jQuery.fn.init.call( this, selector, context, rootjQuerySub );
       
   292 	};
       
   293 	jQuerySub.fn.init.prototype = jQuerySub.fn;
       
   294 	var rootjQuerySub = jQuerySub(document);
       
   295 	migrateWarn( "jQuery.sub() is deprecated" );
       
   296 	return jQuerySub;
       
   297 };
       
   298 
       
   299 
       
   300 // Ensure that $.ajax gets the new parseJSON defined in core.js
       
   301 jQuery.ajaxSetup({
       
   302 	converters: {
       
   303 		"text json": jQuery.parseJSON
       
   304 	}
       
   305 });
       
   306 
       
   307 
       
   308 var oldFnData = jQuery.fn.data;
       
   309 
       
   310 jQuery.fn.data = function( name ) {
       
   311 	var ret, evt,
       
   312 		elem = this[0];
       
   313 
       
   314 	// Handles 1.7 which has this behavior and 1.8 which doesn't
       
   315 	if ( elem && name === "events" && arguments.length === 1 ) {
       
   316 		ret = jQuery.data( elem, name );
       
   317 		evt = jQuery._data( elem, name );
       
   318 		if ( ( ret === undefined || ret === evt ) && evt !== undefined ) {
       
   319 			migrateWarn("Use of jQuery.fn.data('events') is deprecated");
       
   320 			return evt;
       
   321 		}
       
   322 	}
       
   323 	return oldFnData.apply( this, arguments );
       
   324 };
       
   325 
       
   326 
       
   327 var rscriptType = /\/(java|ecma)script/i,
       
   328 	oldSelf = jQuery.fn.andSelf || jQuery.fn.addBack;
       
   329 
       
   330 jQuery.fn.andSelf = function() {
       
   331 	migrateWarn("jQuery.fn.andSelf() replaced by jQuery.fn.addBack()");
       
   332 	return oldSelf.apply( this, arguments );
       
   333 };
       
   334 
       
   335 // Since jQuery.clean is used internally on older versions, we only shim if it's missing
       
   336 if ( !jQuery.clean ) {
       
   337 	jQuery.clean = function( elems, context, fragment, scripts ) {
       
   338 		// Set context per 1.8 logic
       
   339 		context = context || document;
       
   340 		context = !context.nodeType && context[0] || context;
       
   341 		context = context.ownerDocument || context;
       
   342 
       
   343 		migrateWarn("jQuery.clean() is deprecated");
       
   344 
       
   345 		var i, elem, handleScript, jsTags,
       
   346 			ret = [];
       
   347 
       
   348 		jQuery.merge( ret, jQuery.buildFragment( elems, context ).childNodes );
       
   349 
       
   350 		// Complex logic lifted directly from jQuery 1.8
       
   351 		if ( fragment ) {
       
   352 			// Special handling of each script element
       
   353 			handleScript = function( elem ) {
       
   354 				// Check if we consider it executable
       
   355 				if ( !elem.type || rscriptType.test( elem.type ) ) {
       
   356 					// Detach the script and store it in the scripts array (if provided) or the fragment
       
   357 					// Return truthy to indicate that it has been handled
       
   358 					return scripts ?
       
   359 						scripts.push( elem.parentNode ? elem.parentNode.removeChild( elem ) : elem ) :
       
   360 						fragment.appendChild( elem );
       
   361 				}
       
   362 			};
       
   363 
       
   364 			for ( i = 0; (elem = ret[i]) != null; i++ ) {
       
   365 				// Check if we're done after handling an executable script
       
   366 				if ( !( jQuery.nodeName( elem, "script" ) && handleScript( elem ) ) ) {
       
   367 					// Append to fragment and handle embedded scripts
       
   368 					fragment.appendChild( elem );
       
   369 					if ( typeof elem.getElementsByTagName !== "undefined" ) {
       
   370 						// handleScript alters the DOM, so use jQuery.merge to ensure snapshot iteration
       
   371 						jsTags = jQuery.grep( jQuery.merge( [], elem.getElementsByTagName("script") ), handleScript );
       
   372 
       
   373 						// Splice the scripts into ret after their former ancestor and advance our index beyond them
       
   374 						ret.splice.apply( ret, [i + 1, 0].concat( jsTags ) );
       
   375 						i += jsTags.length;
       
   376 					}
       
   377 				}
       
   378 			}
       
   379 		}
       
   380 
       
   381 		return ret;
       
   382 	};
       
   383 }
       
   384 
       
   385 var eventAdd = jQuery.event.add,
       
   386 	eventRemove = jQuery.event.remove,
       
   387 	eventTrigger = jQuery.event.trigger,
       
   388 	oldToggle = jQuery.fn.toggle,
       
   389 	oldLive = jQuery.fn.live,
       
   390 	oldDie = jQuery.fn.die,
       
   391 	ajaxEvents = "ajaxStart|ajaxStop|ajaxSend|ajaxComplete|ajaxError|ajaxSuccess",
       
   392 	rajaxEvent = new RegExp( "\\b(?:" + ajaxEvents + ")\\b" ),
       
   393 	rhoverHack = /(?:^|\s)hover(\.\S+|)\b/,
       
   394 	hoverHack = function( events ) {
       
   395 		if ( typeof( events ) !== "string" || jQuery.event.special.hover ) {
       
   396 			return events;
       
   397 		}
       
   398 		if ( rhoverHack.test( events ) ) {
       
   399 			migrateWarn("'hover' pseudo-event is deprecated, use 'mouseenter mouseleave'");
       
   400 		}
       
   401 		return events && events.replace( rhoverHack, "mouseenter$1 mouseleave$1" );
       
   402 	};
       
   403 
       
   404 // Event props removed in 1.9, put them back if needed; no practical way to warn them
       
   405 if ( jQuery.event.props && jQuery.event.props[ 0 ] !== "attrChange" ) {
       
   406 	jQuery.event.props.unshift( "attrChange", "attrName", "relatedNode", "srcElement" );
       
   407 }
       
   408 
       
   409 // Undocumented jQuery.event.handle was "deprecated" in jQuery 1.7
       
   410 if ( jQuery.event.dispatch ) {
       
   411 	migrateWarnProp( jQuery.event, "handle", jQuery.event.dispatch, "jQuery.event.handle is undocumented and deprecated" );
       
   412 }
       
   413 
       
   414 // Support for 'hover' pseudo-event and ajax event warnings
       
   415 jQuery.event.add = function( elem, types, handler, data, selector ){
       
   416 	if ( elem !== document && rajaxEvent.test( types ) ) {
       
   417 		migrateWarn( "AJAX events should be attached to document: " + types );
       
   418 	}
       
   419 	eventAdd.call( this, elem, hoverHack( types || "" ), handler, data, selector );
       
   420 };
       
   421 jQuery.event.remove = function( elem, types, handler, selector, mappedTypes ){
       
   422 	eventRemove.call( this, elem, hoverHack( types ) || "", handler, selector, mappedTypes );
       
   423 };
       
   424 
       
   425 jQuery.fn.error = function() {
       
   426 	var args = Array.prototype.slice.call( arguments, 0);
       
   427 	migrateWarn("jQuery.fn.error() is deprecated");
       
   428 	args.splice( 0, 0, "error" );
       
   429 	if ( arguments.length ) {
       
   430 		return this.bind.apply( this, args );
       
   431 	}
       
   432 	// error event should not bubble to window, although it does pre-1.7
       
   433 	this.triggerHandler.apply( this, args );
       
   434 	return this;
       
   435 };
       
   436 
       
   437 jQuery.fn.toggle = function( fn, fn2 ) {
       
   438 
       
   439 	// Don't mess with animation or css toggles
       
   440 	if ( !jQuery.isFunction( fn ) || !jQuery.isFunction( fn2 ) ) {
       
   441 		return oldToggle.apply( this, arguments );
       
   442 	}
       
   443 	migrateWarn("jQuery.fn.toggle(handler, handler...) is deprecated");
       
   444 
       
   445 	// Save reference to arguments for access in closure
       
   446 	var args = arguments,
       
   447 		guid = fn.guid || jQuery.guid++,
       
   448 		i = 0,
       
   449 		toggler = function( event ) {
       
   450 			// Figure out which function to execute
       
   451 			var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i;
       
   452 			jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 );
       
   453 
       
   454 			// Make sure that clicks stop
       
   455 			event.preventDefault();
       
   456 
       
   457 			// and execute the function
       
   458 			return args[ lastToggle ].apply( this, arguments ) || false;
       
   459 		};
       
   460 
       
   461 	// link all the functions, so any of them can unbind this click handler
       
   462 	toggler.guid = guid;
       
   463 	while ( i < args.length ) {
       
   464 		args[ i++ ].guid = guid;
       
   465 	}
       
   466 
       
   467 	return this.click( toggler );
       
   468 };
       
   469 
       
   470 jQuery.fn.live = function( types, data, fn ) {
       
   471 	migrateWarn("jQuery.fn.live() is deprecated");
       
   472 	if ( oldLive ) {
       
   473 		return oldLive.apply( this, arguments );
       
   474 	}
       
   475 	jQuery( this.context ).on( types, this.selector, data, fn );
       
   476 	return this;
       
   477 };
       
   478 
       
   479 jQuery.fn.die = function( types, fn ) {
       
   480 	migrateWarn("jQuery.fn.die() is deprecated");
       
   481 	if ( oldDie ) {
       
   482 		return oldDie.apply( this, arguments );
       
   483 	}
       
   484 	jQuery( this.context ).off( types, this.selector || "**", fn );
       
   485 	return this;
       
   486 };
       
   487 
       
   488 // Turn global events into document-triggered events
       
   489 jQuery.event.trigger = function( event, data, elem, onlyHandlers  ){
       
   490 	if ( !elem && !rajaxEvent.test( event ) ) {
       
   491 		migrateWarn( "Global events are undocumented and deprecated" );
       
   492 	}
       
   493 	return eventTrigger.call( this,  event, data, elem || document, onlyHandlers  );
       
   494 };
       
   495 jQuery.each( ajaxEvents.split("|"),
       
   496 	function( _, name ) {
       
   497 		jQuery.event.special[ name ] = {
       
   498 			setup: function() {
       
   499 				var elem = this;
       
   500 
       
   501 				// The document needs no shimming; must be !== for oldIE
       
   502 				if ( elem !== document ) {
       
   503 					jQuery.event.add( document, name + "." + jQuery.guid, function() {
       
   504 						jQuery.event.trigger( name, null, elem, true );
       
   505 					});
       
   506 					jQuery._data( this, name, jQuery.guid++ );
       
   507 				}
       
   508 				return false;
       
   509 			},
       
   510 			teardown: function() {
       
   511 				if ( this !== document ) {
       
   512 					jQuery.event.remove( document, name + "." + jQuery._data( this, name ) );
       
   513 				}
       
   514 				return false;
       
   515 			}
       
   516 		};
       
   517 	}
       
   518 );
       
   519 
       
   520 
       
   521 })( jQuery, window );