Index: sakai-lamstwo/tool/src/webapp/lamstwo/LamstwoAddItem.jsp
===================================================================
diff -u -rc144f53e688b530044b19ff807e502a41d33039a -rc7e29a9f70736528d9ba7db4259620f907987d12
--- sakai-lamstwo/tool/src/webapp/lamstwo/LamstwoAddItem.jsp	(.../LamstwoAddItem.jsp)	(revision c144f53e688b530044b19ff807e502a41d33039a)
+++ sakai-lamstwo/tool/src/webapp/lamstwo/LamstwoAddItem.jsp	(.../LamstwoAddItem.jsp)	(revision c7e29a9f70736528d9ba7db4259620f907987d12)
@@ -141,8 +141,13 @@
   		
   		<script type="text/javascript">
 			//<![CDATA[
-			var sequenceId = document.getElementById("addUpdateItem:itemSequenceId").value;
+			var sequenceIdElem = document.getElementById("addUpdateItem:itemSequenceId");
 			
+			var sequenceId = null;			
+			if (sequenceIdElem != null) {
+				sequenceId = sequenceIdElem.value;
+			}
+			
   			if (!lessonCreated && (sequenceId == "0")) {
   				document.getElementById("stage1").style.display = 'block';
   			} else {