Index: trunk/kernel/admin/include/toolbar/advanced_view.php
===================================================================
diff -u -r150 -r264
--- trunk/kernel/admin/include/toolbar/advanced_view.php	(.../advanced_view.php)	(revision 150)
+++ trunk/kernel/admin/include/toolbar/advanced_view.php	(.../advanced_view.php)	(revision 264)
@@ -9,10 +9,7 @@
 //global $hideSelectAll;
 
 
-if(strlen($DefaultTab))
-{
-    $m_tab_Categories_hide = ($DefaultTab=="category") ? 0 : 1;
-}
+$m_tab_Categories_hide = isset($DefaultTab) && ($DefaultTab == 'category') ? 0 : 1;
 
 
 /* bit place holders for category view menu */