$no_gz_buffer=true;
require_once('../env.inc.php');
-require_once('pre.php');
-require_once('include/doc_utils.php');
-require_once('common/docman/Document.class.php');
+require_once $gfwww.'include/pre.php';
+require_once $gfwww.'docman/include/doc_utils.php';
+require_once $gfcommon.'docman/Document.class.php';
$arr=explode('/',getStringFromServer('REQUEST_URI'));
$group_id=$arr[3];