Index: branches/5.2.x/core/units/helpers/sections_helper.php
===================================================================
diff -u -N -r14244 -r14560
--- branches/5.2.x/core/units/helpers/sections_helper.php	(.../sections_helper.php)	(revision 14244)
+++ branches/5.2.x/core/units/helpers/sections_helper.php	(.../sections_helper.php)	(revision 14560)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: sections_helper.php 14244 2011-03-16 20:53:41Z alex $
+* @version	$Id: sections_helper.php 14560 2011-09-19 21:01:58Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -70,19 +70,26 @@
 		 */
 		function BuildTree()
 		{
-			if ($this->Application->isCachingType(CACHING_TYPE_MEMORY)) {
-				$data = $this->Application->getCache('master:sections_parsed', false);
+			if ( $this->Application->isCachingType(CACHING_TYPE_MEMORY) ) {
+				$data = $this->Application->getCache('master:sections_parsed', false, CacheSettings::$sectionsParsedRebuildTime);
 			}
 			else {
-				$data = $this->Application->getDBCache('sections_parsed');
+				$data = $this->Application->getDBCache('sections_parsed', CacheSettings::$sectionsParsedRebuildTime);
 			}
 
-			if ($data) {
+			if ( $data ) {
 				$this->Tree = unserialize($data);
 				return ;
 			}
 
-			if (!(defined('IS_INSTALL') && IS_INSTALL)) {
+			if ( $this->Application->isCachingType(CACHING_TYPE_MEMORY) ) {
+				$this->Application->rebuildCache('master:sections_parsed', kCache::REBUILD_NOW, CacheSettings::$sectionsParsedRebuildTime);
+			}
+			else {
+				$this->Application->rebuildDBCache('sections_parsed', kCache::REBUILD_NOW, CacheSettings::$sectionsParsedRebuildTime);
+			}
+
+			if ( !defined('IS_INSTALL') || !IS_INSTALL ) {
 				// don't reread all configs during install, because they are reread on every install step
 				$this->Application->UnitConfigReader->ReReadConfigs();
 			}
@@ -201,7 +208,7 @@
 
 			$this->Application->HandleEvent( new kEvent('adm:OnAfterBuildTree') );
 
-			if ($this->Application->isCachingType(CACHING_TYPE_MEMORY)) {
+			if ( $this->Application->isCachingType(CACHING_TYPE_MEMORY) ) {
 				$this->Application->setCache('master:sections_parsed', serialize($this->Tree));
 			}
 			else {