Index: /schedule/Module/calendar.php
===================================================================
--- /schedule/Module/calendar.php	(revision 15639)
+++ /schedule/Module/calendar.php	(revision 15640)
@@ -57,5 +57,5 @@
 		                  var year =this.selection.print("%Y").join("\n");				  
 							var newline = [];	
-							var arrTime;
+							var arrTime = [];
 							var xmlhttp;
 							if (window.XMLHttpRequest)