Index: branches/5.2.x/core/units/helpers/file_helper.php
===================================================================
diff -u -N -r14585 -r14619
--- branches/5.2.x/core/units/helpers/file_helper.php	(.../file_helper.php)	(revision 14585)
+++ branches/5.2.x/core/units/helpers/file_helper.php	(.../file_helper.php)	(revision 14619)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: file_helper.php 14585 2011-09-24 12:04:17Z alex $
+* @version	$Id: file_helper.php 14619 2011-10-04 08:39:18Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -221,12 +221,15 @@
 		 * @param string $prefix
 		 * @param string $field_name
 		 * @param Array $virtual_fields
+		 * @param bool $is_image
+		 * @return void
+		 * @access protected
 		 */
-		function _createCustomFields($prefix, $field_name, &$virtual_fields, $is_image)
+		protected function _createCustomFields($prefix, $field_name, &$virtual_fields, $is_image = false)
 		{
 			$virtual_fields['Delete' . $field_name] = Array ('type' => 'int', 'default' => 0);
 
-			if ($is_image) {
+			if ( $is_image ) {
 				$virtual_fields[$field_name . 'Alt'] = Array ('type' => 'string', 'default' => '');
 			}
 		}
@@ -238,11 +241,9 @@
 		 */
 		function DownloadFile($filename)
 		{
-			$content_type = function_exists('mime_content_type') ? mime_content_type($filename) : 'application/octet-stream';
-
-			header('Content-type: '.$content_type);
-			header('Content-Disposition: attachment; filename="'.basename($filename).'"');
-			header('Content-Length: '.filesize($filename));
+			header('Content-type: ' . kUtil::mimeContentType($filename));
+			header('Content-Disposition: attachment; filename="' . basename($filename) . '"');
+			header('Content-Length: ' . filesize($filename));
 			readfile($filename);
 			flush();
 		}