Index: dhtml_menu.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/dhtml_menu/dhtml_menu.module,v
retrieving revision 1.29.2.7
diff -u -p -r1.29.2.7 dhtml_menu.module
--- dhtml_menu.module	8 Nov 2008 21:37:23 -0000	1.29.2.7
+++ dhtml_menu.module	9 Nov 2008 18:35:20 -0000
@@ -118,7 +118,7 @@ function dhtml_menu_theme_menu_item($lin
  *   The stack, if no parameter is given.
  */
 function _dhtml_menu_stack($link = FALSE) {
-  static $stack;
+  static $stack = array();
   if ($link) {
     $stack[$link['localized_options']['attributes']['id']] = $link;
   }