Index: lams_monitoring/web/tblmonitor/aes.jsp
===================================================================
diff -u -rbfb2094d16d2be706d0ebcc52221fe6ca0fbcbc2 -r468931509b9788c750a5f9aae7ac973659a63178
--- lams_monitoring/web/tblmonitor/aes.jsp	(.../aes.jsp)	(revision bfb2094d16d2be706d0ebcc52221fe6ca0fbcbc2)
+++ lams_monitoring/web/tblmonitor/aes.jsp	(.../aes.jsp)	(revision 468931509b9788c750a5f9aae7ac973659a63178)
@@ -23,6 +23,9 @@
 	});
 	
 	function loadAePane(targetToolContentId, contentType){
+		// defined in monitorLesson.js
+		clearEventSources();
+		
 		$('#aes-tab .tab-pane').each(function(){
 			var aePane = $(this).hide(),
 				toolContentId = aePane.data('toolContentId'),