Index: vertical_tabs.node_form.js
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/vertical_tabs/Attic/vertical_tabs.node_form.js,v
retrieving revision 1.1.2.5
diff -u -r1.1.2.5 vertical_tabs.node_form.js
--- vertical_tabs.node_form.js	6 Jan 2009 02:47:47 -0000	1.1.2.5
+++ vertical_tabs.node_form.js	31 May 2009 19:18:36 -0000
@@ -11,7 +11,7 @@
 }
 
 Drupal.verticalTabs.revision_information = function() {
-  var val = $('#edit-revision').attr('checked');
+  var val = !$('#edit-revision').length || $('#edit-revision').attr('checked');
   if (val) {
     return Drupal.t('Create new revision');
   }