Index: lams_central/web/includes/javascript/progressBar.js
===================================================================
diff -u -r4be52b69f493859875a40eb81855b0bd917e63ca -rf69c22db18ae4be82e40f9e66a6b5c6efe8890da
--- lams_central/web/includes/javascript/progressBar.js	(.../progressBar.js)	(revision 4be52b69f493859875a40eb81855b0bd917e63ca)
+++ lams_central/web/includes/javascript/progressBar.js	(.../progressBar.js)	(revision f69c22db18ae4be82e40f9e66a6b5c6efe8890da)
@@ -349,7 +349,7 @@
 		
 		// label underneath the shape
 		var label = null,
-			content = activity.name;
+			content = activity.name || '';
 		if (isHorizontalBar) {
 			// cut lengthy activity names so they don't overlap
 			if (content.length > 23) {
@@ -1023,9 +1023,9 @@
 	$.ajax({
 		url : LAMS_URL + 'monitoring/monitoring.do',
 		data : {
-			'method' : 'getLearnerProgress',
+			'method'   : 'getLearnerProgress',
 			'lessonID' : lessonId,
-			'userID' : bar.userId
+			'userID'   : bar.userId
 		},
 		cache : false,
 		dataType : 'json',
@@ -1135,13 +1135,13 @@
 				}
 
 				// draw support activities if they exist
-				if (result.support
-						&& !supportSeparatorRow.is(':visible')) {
+				var supportSeparatorRow = $('#supportSeparatorRow');
+				if (result.support && supportSeparatorRow.length > 0 && !supportSeparatorRow.is(':visible')) {
 					supportSeparatorRow.show();
-					supportPart.height(17 + 33 * result.support.length)
-							.show();
+					$('#supportPart').height(17 + 33 * result.support.length)
+							   .show();
 
-					// separate paper for Suppor Activities frame
+					// separate paper for Support Activities frame
 					var supportPaper = Raphael('supportPart');
 
 					$.each(result.support, function(activityIndex,
Index: lams_learning/web/main.jsp
===================================================================
diff -u -ra74069c34b714d11dc325ed73abc77383d75c1e1 -rf69c22db18ae4be82e40f9e66a6b5c6efe8890da
--- lams_learning/web/main.jsp	(.../main.jsp)	(revision a74069c34b714d11dc325ed73abc77383d75c1e1)
+++ lams_learning/web/main.jsp	(.../main.jsp)	(revision f69c22db18ae4be82e40f9e66a6b5c6efe8890da)
@@ -58,9 +58,6 @@
 				TOSTART_ACTIVITY : '<fmt:message key="label.learner.progress.activity.tostart.tooltip"/>',
 				SUPPORT_ACTIVITY : '<fmt:message key="label.learner.progress.activity.support.tooltip"/>'
 			},
-		
-			supportSeparatorRow = null,
-			supportPart = null,
 			
 			parentURL = "${notifyCloseURL}",
 			lessonId = '${param.lessonID}',
@@ -84,10 +81,6 @@
 			
 			// show if panel is not disabled in LAMS Configuration
 			if (progressPanelEnabled) {
-				// these DOM elements are accessed often, so cache reference to them
-				supportSeparatorRow = $('#supportSeparatorRow');
-				supportPart = $('#supportPart');
-				
 				$('body').layout({
 					west : {
 						applyDefaultStyles : true,