--- webfm.js.orig	2008-08-07 12:34:39.000000000 +0200
+++ webfm.js	2008-08-07 12:34:36.000000000 +0200
@@ -3575,6 +3575,7 @@
   var toSend = '';
   if (typeof object == 'object') {
     xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+    xmlHttp.setRequestHeader("X-Requested-With", "XMLHttpRequest");
     for (var i in object) {
       toSend += (toSend ? '&' : '') + i + '=' + encodeURIComponent(object[i]);
     }