Index: branches/5.1.x/core/kernel/startup.php
===================================================================
diff -u -N -r13545 -r13581
--- branches/5.1.x/core/kernel/startup.php	(.../startup.php)	(revision 13545)
+++ branches/5.1.x/core/kernel/startup.php	(.../startup.php)	(revision 13581)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: startup.php 13545 2010-05-11 19:19:58Z alex $
+* @version	$Id: startup.php 13581 2010-05-19 07:33:23Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -167,6 +167,6 @@
 		include_once(KERNEL_PATH . '/utility/adodb-time.inc.php');
 	}
 
-	// global constants
-	define ('KG_TO_POUND', 2.20462262);
-	define ('POUND_TO_KG', 0.45359237);
\ No newline at end of file
+	// system users
+	define('USER_ROOT', -1);
+	define('USER_GUEST', -2);
\ No newline at end of file