Index: lams_central/web/includes/javascript/main.js
===================================================================
diff -u -r970546106e9b05a4d1a507b26be2ce96130b4f01 -r158d458bc2a6d92107a65202f6781379ac0b5767
--- lams_central/web/includes/javascript/main.js	(.../main.js)	(revision 970546106e9b05a4d1a507b26be2ce96130b4f01)
+++ lams_central/web/includes/javascript/main.js	(.../main.js)	(revision 158d458bc2a6d92107a65202f6781379ac0b5767)
@@ -550,7 +550,6 @@
 		'modal' : false,
 		'title' : LABELS.GRADEBOOK_COURSE_TITLE,
 		'open' : function() {
-			var orgID = $(this).dialog('option', 'orgID');
 			// load contents after opening the dialog
 			$('iframe', this).attr('src', LAMS_URL
 				+ 'gradebook/gradebookMonitoring.do?dispatch=courseMonitor&organisationID=' + orgID);