put @requires statements inside JSDOC comment block

git-svn-id: http://svn.openlayers.org/trunk/openlayers@1235 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/VirtualEarth.js

@@ -1,10 +1,11 @@
 /* Copyright (c) 2006 MetaCarta, Inc., published under the BSD license.
  * See http://svn.openlayers.org/trunk/openlayers/license.txt for the full
  * text of the license. */
-// @requires OpenLayers/Layer/EventPane.js
 
 /**
  * @class 
+ * 
+ * @requires OpenLayers/Layer/EventPane.js
  */
 OpenLayers.Layer.VirtualEarth = Class.create();
 OpenLayers.Layer.VirtualEarth.prototype =