--- a/client/js/main.js	Wed Apr 03 16:17:36 2013 +0200
+++ b/client/js/main.js	Thu Apr 04 15:41:00 2013 +0200
@@ -288,6 +288,13 @@
         }
         return _base + this._ID_BASE + '-' + _n;
     },
+    getFullURL : function(url) {
+    	var img = new Image();
+    	img.src = url;
+    	var res = img.src;
+    	img.src = null;
+    	return res;
+    },
     inherit : function(_baseClass, _callbefore) {
         var _class = function() {
             if (typeof _callbefore === "function") {