diff --git a/gulliver/js/common/core/common.js b/gulliver/js/common/core/common.js
index 3a9e8b518..75d13b9a8 100755
--- a/gulliver/js/common/core/common.js
+++ b/gulliver/js/common/core/common.js
@@ -707,7 +707,7 @@ function showHideSearch(id,aElement,openText,closeText)
  * and execute the javascript node that it contains.
  */
 function loadPage ( url, x, y , visibility , div )  {
-    visibility = typeof(visibility)==='udefined'?'hidden':visibility;
+    visibility = typeof(visibility)==='undefined'?'hidden':visibility;
   	var r = new leimnud.module.rpc.xmlhttp({url:url});
   	r.callback=leimnud.closure({Function:function(rpc,div){
   	    if (typeof(div)==='undefined') div=createDiv('');