if ($cnt > 0) {
        $sql    = 'SELECT image_file FROM ' . $xoopsDB->prefix('gwiki_page_images');
        $sql    .= ' WHERE keyword NOT IN (SELECT keyword from ' . $xoopsDB->prefix('gwiki_pages') . ')';
        $result = $xoopsDB->query($sql);
        while (false !== ($f = $xoopsDB->fetchArray($result))) {