Index: branches/5.2.x/install.php
===================================================================
--- branches/5.2.x/install.php	(revision 15644)
+++ branches/5.2.x/install.php	(revision 15645)
@@ -1,52 +1,58 @@
 <?php
 /**
 * @version	$Id$
 * @package	In-Link
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
 * In-Portal is Open Source software.
 * This means that this software may have been modified pursuant
 * the GNU General Public License, and as distributed it includes
 * or is derivative of works licensed under the GNU General Public License
 * or other free or open source software licenses.
 * See http://www.in-portal.org/license for copyright notices and details.
 */
-	$module_folder = 'modules/in-link';
+$module_folder = 'modules/in-link';
 
-	if (!defined('IS_INSTALL')) {
-		// separate module install
-		define('IS_INSTALL', 1);
-		define('ADMIN', 1);
-		define('FULL_PATH', realpath(dirname(__FILE__) . '/../..') );
+if ( !defined('IS_INSTALL') ) {
+	// separate module install
+	define('IS_INSTALL', 1);
+	define('ADMIN', 1);
+	define('FULL_PATH', realpath(dirname(__FILE__) . '/../..'));
 
-		include_once(FULL_PATH . '/core/kernel/startup.php');
-		require_once FULL_PATH . '/core/install/install_toolkit.php';
+	include_once(FULL_PATH . '/core/kernel/startup.php');
+	require_once FULL_PATH . '/core/install/install_toolkit.php';
 
-		$toolkit = new kInstallToolkit();
-	}
-	else {
-		// install, using installation wizard
-		$toolkit =& $this->toolkit;
-		/* @var $toolkit kInstallToolkit */
-	}
-
-	$application =& kApplication::Instance();
-	$application->Init();
+	$constants_file = FULL_PATH . '/' . $module_folder . '/constants.php';
 
-	if ($application->RecallVar('user_id') != USER_ROOT) {
-		die('restricted access!');
+	if ( file_exists($constants_file) ) {
+		require_once $constants_file;
 	}
 
-	$category =& $toolkit->createModuleCategory('Directory', 'Link Directory', '#in-link/section_design#', 'in-link/img/menu_links.gif');
-
-	$toolkit->RunSQL('/' . $module_folder . '/install/install_schema.sql');
-	$toolkit->RunSQL('/' . $module_folder . '/install/install_data.sql', '{LinkCatId}', $category->GetID());
-	$toolkit->ImportLanguage('/' . $module_folder . '/install/english');
-
-	$toolkit->SetModuleRootCategory(basename($module_folder), $category->GetID());
-
-	$toolkit->linkCustomFields(basename($module_folder), 'l', 4); // to create Custom Fields for Links
-	$toolkit->linkCustomFields('KERNEL', 'c', 1); // to create ItemTemplate custom field
-	$toolkit->setModuleItemTemplate($category, 'l', '#in-link/item_design#');
+	$toolkit = new kInstallToolkit();
+}
+else {
+	// install, using installation wizard
+	$toolkit =& $this->toolkit;
+	/* @var $toolkit kInstallToolkit */
+}
+
+$application =& kApplication::Instance();
+$application->Init();
+
+if ( $application->RecallVar('user_id') != USER_ROOT ) {
+	die('restricted access!');
+}
+
+$category =& $toolkit->createModuleCategory('Directory', 'Link Directory', '#in-link/section_design#', 'in-link/img/menu_links.gif');
+
+$toolkit->RunSQL('/' . $module_folder . '/install/install_schema.sql');
+$toolkit->RunSQL('/' . $module_folder . '/install/install_data.sql', '{LinkCatId}', $category->GetID());
+$toolkit->ImportLanguage('/' . $module_folder . '/install/english');
+
+$toolkit->SetModuleRootCategory(basename($module_folder), $category->GetID());
+
+$toolkit->linkCustomFields(basename($module_folder), 'l', 4); // to create Custom Fields for Links
+$toolkit->linkCustomFields('KERNEL', 'c', 1); // to create ItemTemplate custom field
+$toolkit->setModuleItemTemplate($category, 'l', '#in-link/item_design#');
 
-	$toolkit->finalizeModuleInstall($module_folder, true);
\ No newline at end of file
+$toolkit->finalizeModuleInstall($module_folder, true);