Index: branches/5.2.x/core/kernel/db/db_tag_processor.php
===================================================================
diff -u -r14614 -r14646
--- branches/5.2.x/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 14614)
+++ branches/5.2.x/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 14646)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: db_tag_processor.php 14614 2011-10-03 16:04:13Z alex $
+* @version	$Id: db_tag_processor.php 14646 2011-10-06 15:38:50Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -591,6 +591,44 @@
 	}
 
 	/**
+	 * Returns ID of previous record (related to current) in list.
+	 * Use only on item detail pages.
+	 *
+	 * @param Array $params
+	 * @return int
+	 * @access protected
+	 */
+	protected function PreviousResource($params)
+	{
+		$object =& $this->getObject($params);
+		/* @var $object kDBItem */
+
+		$list_helper =& $this->Application->recallObject('ListHelper');
+		/* @var $list_helper ListHelper */
+
+		return $list_helper->getNavigationResource($object, $params['list'], false);
+	}
+
+	/**
+	 * Returns ID of next record (related to current) in list.
+	 * Use only on item detail pages.
+	 *
+	 * @param Array $params
+	 * @return int
+	 * @access protected
+	 */
+	protected function NextResource($params)
+	{
+		$object =& $this->getObject($params);
+		/* @var $object kDBItem */
+
+		$list_helper =& $this->Application->recallObject('ListHelper');
+		/* @var $list_helper ListHelper */
+
+		return $list_helper->getNavigationResource($object, $params['list'], true);
+	}
+
+	/**
 	 * Allows to modify block params & current list record before PrintList parses record
 	 *
 	 * @param kDBList $object