Index: /schedule/Module/calendar.php
===================================================================
--- /schedule/Module/calendar.php	(revision 16522)
+++ /schedule/Module/calendar.php	(revision 16523)
@@ -133,5 +133,5 @@
 				{
 					$('#data').append('XML state is activated!');
-					 if (xmlhttp[index].readyState==4 && xmlhttp[index].status==200)
+					 if (xmlhttp[0].readyState==4 && xmlhttp[0].status==200)
 						{
 						//sourceData[index]= new Array(); //--> remove this if you use sourceData[[]]