Index: branches/5.3.x/core/kernel/db/cat_dbitem.php
===================================================================
diff -u -N -r15938 -r15986
--- branches/5.3.x/core/kernel/db/cat_dbitem.php	(.../cat_dbitem.php)	(revision 15938)
+++ branches/5.3.x/core/kernel/db/cat_dbitem.php	(.../cat_dbitem.php)	(revision 15986)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: cat_dbitem.php 15938 2013-08-14 09:33:06Z alex $
+* @version	$Id: cat_dbitem.php 15986 2013-10-07 14:37:54Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -409,14 +409,19 @@
 			$this->Conn->Query($sql);
 		}
 		else {
-			$fields_hash = 	Array(
+			$fields_hash = 	Array (
 				'CategoryId'		=>	$category_id,
 				'ItemResourceId'	=>	$this->GetField('ResourceId'),
 				'PrimaryCat'		=>	$is_primary ? 1 : 0,
 				'ItemPrefix'		=>	$this->Prefix,
 				'Filename'			=>	$this->useFilenames ? (string)$this->GetDBField('Filename') : '', // because some prefixes does not use filenames,
 			);
 
+			if ( $this->Application->IsTempTable($table) ) {
+				$new_id = (int)$this->Conn->GetOne('SELECT MIN(Id) FROM ' . $table .' WHERE Id < 0' );
+				$fields_hash['Id'] = $new_id - 1;
+			}
+
 			$this->Conn->doInsert($fields_hash, $table);
 		}