Index: lams_central/web/includes/javascript/addLesson.js
===================================================================
diff -u -r284923f86a16bfc0fa2681918f532b1eb12ac8b9 -r9611486dadb7a74fbe7d54b67cd1da4dbf6b3535
--- lams_central/web/includes/javascript/addLesson.js	(.../addLesson.js)	(revision 284923f86a16bfc0fa2681918f532b1eb12ac8b9)
+++ lams_central/web/includes/javascript/addLesson.js	(.../addLesson.js)	(revision 9611486dadb7a74fbe7d54b67cd1da4dbf6b3535)
@@ -312,7 +312,7 @@
 	submitInProgress = true;
 	$('#lessonForm').ajaxSubmit({
 		'success' : function(){
-			window.parent.closeAddLessonDialog(true);
+			window.parent.closeDialog('dialogAddLesson', true);
 	}});
 }