Index: modules/system/system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.module,v
retrieving revision 1.414
diff -u -p -r1.414 system.module
--- modules/system/system.module	28 Nov 2006 14:39:28 -0000	1.414
+++ modules/system/system.module	28 Nov 2006 20:17:46 -0000
@@ -2140,6 +2140,8 @@ function system_admin_compact_mode() {
  */
 function theme_admin_page($blocks) {
   $stripe = 0;
+  $container = array();
+
   foreach ($blocks as $block) {
     if ($block_output = theme('admin_block', $block)) {
       if (!$block['position']) {