Index: dependent.js
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/ctools/js/dependent.js,v
retrieving revision 1.6
diff -u -r1.6 dependent.js
--- dependent.js	12 Oct 2009 12:42:53 -0000	1.6
+++ dependent.js	13 Nov 2009 01:25:11 -0000
@@ -121,7 +121,7 @@
                 Drupal.CTools.dependent.activeBindings[id] = {};
               }
 
-              if (Drupal.CTools.dependent.inArray(Drupal.settings.CTools.dependent[id].values[bind_id], val)) {
+              if (val != null && Drupal.CTools.dependent.inArray(Drupal.settings.CTools.dependent[id].values[bind_id], val)) {
                 Drupal.CTools.dependent.activeBindings[id][bind_id] = 'bind';
               }
               else {