Index: branches/5.1.x/core/units/users/users_config.php
===================================================================
diff -u -N -r13941 -r13962
--- branches/5.1.x/core/units/users/users_config.php	(.../users_config.php)	(revision 13941)
+++ branches/5.1.x/core/units/users/users_config.php	(.../users_config.php)	(revision 13962)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: users_config.php 13941 2010-09-14 09:16:10Z alex $
+* @version	$Id: users_config.php 13962 2010-09-25 18:38:45Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -379,7 +379,7 @@
 							        'Status' => Array('type' => 'int', 'formatter'=>'kOptionsFormatter', 'options'=>Array(1=>'la_Enabled', 0=>'la_Disabled', 2=>'la_Pending'), 'use_phrases'=>1, 'not_null' => '1','default' => 1),
 							        'Modified' => Array('type' => 'int', 'formatter' => 'kDateFormatter', 'default' => '#NOW#'),
 							        'dob' => Array('type'=>'int', 'formatter' => 'kDateFormatter', 'default' => null),
-							        'tz' => Array('type' => 'int','default' => 0),
+							        'tz' => Array('type' => 'int', 'default' => NULL),
 							        'ip' => Array('type' => 'string','default' => null),
 							        'IsBanned' => Array('type' => 'int','not_null' => 1, 'default' => 0),
 							        'PassResetTime' => Array('type' => 'int','default' => null),
@@ -413,7 +413,7 @@
 						'UserGroup' => Array (
 							'type' => 'int',
 							'formatter' => 'kOptionsFormatter', 'options_sql' => 'SELECT %1$s FROM ' . TABLE_PREFIX . 'PortalGroup WHERE Enabled = 1 AND FrontRegistration = 1', 'option_key_field' => 'GroupId', 'option_title_field' => 'Name',
-							'not_null' => 1, 'default' => 0,
+							'default' => 0,
 						),
 					),