Index: branches/5.1.x/core/units/configuration/configuration_event_handler.php
===================================================================
diff -u -N -r13086 -r13188
--- branches/5.1.x/core/units/configuration/configuration_event_handler.php	(.../configuration_event_handler.php)	(revision 13086)
+++ branches/5.1.x/core/units/configuration/configuration_event_handler.php	(.../configuration_event_handler.php)	(revision 13188)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: configuration_event_handler.php 13086 2010-01-12 19:47:40Z alex $
+* @version	$Id: configuration_event_handler.php 13188 2010-03-10 09:06:05Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -50,8 +50,10 @@
 			}
 
 			if (defined('IS_INSTALL') && IS_INSTALL) {
-				$object->addFilter('install_filter', 'ca.Install = 1');
+				$object->addFilter('install_filter', '%1$s.Install = 1');
 			}
+
+			$object->addFilter('visible_filter', '%1$s.Heading <> ""');
 		}
 
 		/**