Index: branches/5.2.x/core/units/helpers/file_helper.php
===================================================================
diff -u -N -r13840 -r14092
--- branches/5.2.x/core/units/helpers/file_helper.php	(.../file_helper.php)	(revision 13840)
+++ branches/5.2.x/core/units/helpers/file_helper.php	(.../file_helper.php)	(revision 14092)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: file_helper.php 13750 2010-06-09 20:01:41Z alex $
+* @version	$Id: file_helper.php 14092 2010-11-26 22:43:15Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -151,7 +151,6 @@
 				'type'			=>	'string',
 				'max_len'		=>	240,
 				'default'		=>	'',
-				'not_null'		=>	1,
 			);
 
 			if ($is_image) {
@@ -222,7 +221,7 @@
 		 */
 		function _createCustomFields($prefix, $field_name, &$virtual_fields, $is_image)
 		{
-			$virtual_fields['Delete' . $field_name] = Array ('type' => 'int', 'not_null' => 1, 'default' => 0);
+			$virtual_fields['Delete' . $field_name] = Array ('type' => 'int', 'default' => 0);
 
 			if ($is_image) {
 				$virtual_fields[$field_name . 'Alt'] = Array ('type' => 'string', 'default' => '');