Index: vertical_tabs.js
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/vertical_tabs/vertical_tabs.js,v
retrieving revision 1.3.2.17
diff -u -p -r1.3.2.17 vertical_tabs.js
--- vertical_tabs.js	28 Nov 2009 22:10:17 -0000	1.3.2.17
+++ vertical_tabs.js	4 Dec 2009 04:50:05 -0000
@@ -1,9 +1,10 @@
 // $Id: vertical_tabs.js,v 1.3.2.17 2009/11/28 22:10:17 davereid Exp $
 
 Drupal.verticalTabs = Drupal.verticalTabs || {};
+Drupal.settings.verticalTabs = Drupal.settings.verticalTabs || {};
 
 Drupal.behaviors.verticalTabs = function() {
-  if (!$('.vertical-tabs-list').size()) {
+  if (!$('.vertical-tabs-list').size() && Drupal.settings.verticalTabs) {
     var ul = $('<ul class="vertical-tabs-list"></ul>');
     var panes = $('<div class="vertical-tabs-panes"></div>');
     $.each(Drupal.settings.verticalTabs, function(k, v) {