--- loncom/publisher/lonpubdir.pm	2006/11/22 20:16:16	1.96
+++ loncom/publisher/lonpubdir.pm	2006/11/22 20:50:44	1.97
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Construction Space Directory Lister
 #
-# $Id: lonpubdir.pm,v 1.96 2006/11/22 20:16:16 banghart Exp $
+# $Id: lonpubdir.pm,v 1.97 2006/11/22 20:50:44 banghart Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -311,7 +311,7 @@ parent.lastknownpriv='/~$uname$thisdisfn
     function changename(theform,activity) {
         var oldname=theform.dispfilename.value;
         var newname=prompt('New Name',oldname);
-        if (newname == "" || !newname)  {
+        if (newname == "" || !newname || newname == oldname)  {
             return
         }
         document.moveresource.newfilename.value = newname