Index: schedule/Module/calendar.php
===================================================================
--- schedule/Module/calendar.php	(revision 16172)
+++ schedule/Module/calendar.php	(revision 16173)
@@ -219,7 +219,9 @@
 							function loadGraph(x,y)
 							{
+								var container=$('<div>').appendTo('container');
 								var options = {
 											chart: {
-												renderTo: 'container' /* display to div Graph*/
+												renderTo: container[0],
+												height:400/* display to div Graph*/
 												
 											},