if (count($_POST) == 0) {
    // Non-SEF redirect
    if ((strpos($jSef, 'index.php?') === false) && ($oldUrl != $jSef)) {
        // Seems the URL is SEF, let's redirect
        $f = $l = '';
        if( !headers_sent($f, $l) ) {
            $mainframe =& JFactory::getApplication();
            $mainframe->redirect($jSef, '', 'message', true);
            exit();
        } else {
            JoomSEF::_headers_sent_error($f, $l, __FILE__, __LINE__);
        }
    }
}