Index: branches/5.1.x/core/units/admin/admin_events_handler.php
===================================================================
diff -u -N -r14241 -r14326
--- branches/5.1.x/core/units/admin/admin_events_handler.php	(.../admin_events_handler.php)	(revision 14241)
+++ branches/5.1.x/core/units/admin/admin_events_handler.php	(.../admin_events_handler.php)	(revision 14326)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: admin_events_handler.php 14241 2011-03-16 20:24:35Z alex $
+* @version	$Id: admin_events_handler.php 14326 2011-05-20 08:13:02Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -489,7 +489,7 @@
 		if(!$prefix_special) {
 			$prefix_special = $export_helper->ExportData('prefix');
 		}
-		$prefix_elems = split('\.|_', $prefix_special, 2);
+		$prefix_elems = preg_split('/\.|_/', $prefix_special, 2);
 		$perm_sections = $this->Application->getUnitOption($prefix_elems[0], 'PermSection');
 
 		if(!$this->Application->CheckPermission($perm_sections['main'].'.view')) {
@@ -514,7 +514,7 @@
 		/* @var $export_helper kCSVHelper */
 
 		$prefix_special = $export_helper->ExportData('prefix');
-		$prefix_elems = split('\.|_', $prefix_special, 2);
+		$prefix_elems = preg_split('/\.|_/', $prefix_special, 2);
 		$perm_sections = $this->Application->getUnitOption($prefix_elems[0], 'PermSection');
 
 		if(!$this->Application->CheckPermission($perm_sections['main'].'.view')) {
@@ -533,7 +533,7 @@
 	function OnCSVImportBegin(&$event)
 	{
 		$prefix_special = $this->Application->GetVar('PrefixSpecial');
-		$prefix_elems = split('\.|_', $prefix_special, 2);
+		$prefix_elems = preg_split('/\.|_/', $prefix_special, 2);
 		$perm_sections = $this->Application->getUnitOption($prefix_elems[0], 'PermSection');
 
 		if(!$this->Application->CheckPermission($perm_sections['main'].'.add') && !$this->Application->CheckPermission($perm_sections['main'].'.edit')) {
@@ -579,7 +579,7 @@
 		/* @var $export_helper kCSVHelper */
 
 		$prefix_special = $import_helper->ImportData('prefix');
-		$prefix_elems = split('\.|_', $prefix_special, 2);
+		$prefix_elems = preg_split('/\.|_/', $prefix_special, 2);
 		$perm_sections = $this->Application->getUnitOption($prefix_elems[0], 'PermSection');
 		if(!$this->Application->CheckPermission($perm_sections['main'].'.add') && !$this->Application->CheckPermission($perm_sections['main'].'.edit')) {
 			$event->status = erPERM_FAIL;