Index: branches/5.2.x/core/install/upgrade_helper.php
===================================================================
diff -u -N -r14244 -r14870
--- branches/5.2.x/core/install/upgrade_helper.php	(.../upgrade_helper.php)	(revision 14244)
+++ branches/5.2.x/core/install/upgrade_helper.php	(.../upgrade_helper.php)	(revision 14870)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: upgrade_helper.php 14244 2011-03-16 20:53:41Z alex $
+* @version	$Id: upgrade_helper.php 14870 2011-12-16 11:54:01Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2010 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -39,4 +39,28 @@
 			$this->_toolkit =& $instance;
 		}
 
+		/**
+		 * Replaces deprecated detail template design with new one
+		 *
+		 * @param string $prefix
+		 * @param string $from_template
+		 * @param string $to_template
+		 */
+		function _updateDetailTemplate($prefix, $from_template, $to_template)
+		{
+			$sql = 'SELECT CustomFieldId
+					FROM ' . TABLE_PREFIX . 'CustomField
+					WHERE FieldName = "' . $prefix . '_ItemTemplate"';
+			$custom_field_id = $this->Conn->GetOne($sql);
+
+			$ml_formatter =& $this->Application->recallObject('kMultiLanguage');
+			/* @var $ml_formatter kMultiLanguage */
+
+			$field = $ml_formatter->LangFieldName('cust_' . $custom_field_id, true);
+
+			$sql = 'UPDATE ' . TABLE_PREFIX . 'CategoryCustomData
+					SET ' . $field . ' = "' . $to_template . '"
+					WHERE ' . $field . ' = "' . $from_template . '"';
+			$this->Conn->Query($sql);
+		}
 	}