Index: lams_monitoring/web/includes/javascript/monitorLesson.js
===================================================================
diff -u -r3b70087062500e57ffd0a57c798716883ca61150 -rf75114e35bb77bc0ff710ef9c06207c17bf8d32c
--- lams_monitoring/web/includes/javascript/monitorLesson.js	(.../monitorLesson.js)	(revision 3b70087062500e57ffd0a57c798716883ca61150)
+++ lams_monitoring/web/includes/javascript/monitorLesson.js	(.../monitorLesson.js)	(revision f75114e35bb77bc0ff710ef9c06207c17bf8d32c)
@@ -35,12 +35,14 @@
 function initTabs(){
 	$('#tabs').tabs({
 		'activate' : function(event, ui) {
+			var sequenceInfoDialog = $('#sequenceInfoDialog');
 			if (ui.newPanel.attr('id') == 'tabSequence') {
-				var sequenceInfoDialog = $('#sequenceInfoDialog');
 				if (sequenceInfoDialog.length > 0
 						&& !sequenceInfoDialog.dialog('option', 'showed')) {
 					sequenceInfoDialog.dialog('open');
 				}
+			} else if (sequenceInfoDialog.dialog('isOpen')) {
+				sequenceInfoDialog.dialog('close');
 			}
 		}
 	});