Index: schedule/Module/calendar.php
===================================================================
--- schedule/Module/calendar.php	(revision 16542)
+++ schedule/Module/calendar.php	(revision 16543)
@@ -106,4 +106,5 @@
 					if (window.XMLHttpRequest)
 						 {// code for IE7+, Firefox, Chrome, Opera, Safari
+                         alert("new request created");
 						 xmlhttp.push(new XMLHttpRequest());
 						 }