Index: /schedule/Module/calendar.php
===================================================================
--- /schedule/Module/calendar.php	(revision 15862)
+++ /schedule/Module/calendar.php	(revision 15863)
@@ -150,5 +150,5 @@
 										//data = JSON.parse(data);
 										
-											options.series.push({data:[21.5,12],[24.8,51]});
+											options.series.push({data:["21.5,12"],["24.8,51"]});
 									
 										var chart = new Highcharts.Chart(options);