Index: trunk/admin/browse.php
===================================================================
diff -u -r374 -r547
--- trunk/admin/browse.php	(.../browse.php)	(revision 374)
+++ trunk/admin/browse.php	(.../browse.php)	(revision 547)
@@ -133,7 +133,8 @@
       @include_once($path);
     }
 }
-if(!$is_install)
+if(!defined('IS_INSTALL'))define('IS_INSTALL',0);
+if(!IS_INSTALL)
 {
   if (!admin_login())
   {