File Source for headerpage.php

<?php
/**
==============================================================================
* @package dokeos.document
==============================================================================
*/
// name of the language file that needs to be included
$language_file = 'document';
include('../inc/global.inc.php');
$noPHP_SELF=true;
$header_file= Security::remove_XSS($_GET['file']);
$path_array=explode('/',str_replace('\\','/',$header_file));
$path_array = array_map('urldecode',$path_array);
$header_file=implode('/',$path_array);
$nameTools = $header_file;
if(isset($_SESSION['_gid']) && $_SESSION['_gid']!='')
{
$req_gid = '&gidReq='.$_SESSION['_gid'];
$interbreadcrumb[]= array ("url"=>"../group/group_space.php?gidReq=".$_SESSION['_gid'], "name"=> get_lang('GroupSpace'));
}
$interbreadcrumb[]= array ("url"=>"./document.php?curdirpath=".dirname($header_file).$req_gid, "name"=> $langDocuments);
$interbreadcrumb[]= array ("url"=>"showinframes.php?file=".$header_file, "name"=>$header_file);
Display::display_header(null,"Doc");
echo "<div align=\"center\">";
echo "<a href='".api_get_path('WEB_COURSE_PATH').$_course['path'].'/document'.$header_file."?".api_get_cidreq()."' target='blank'>".$lang_cut_paste_link."</a></div>";
?>

Source for file headerpage.php