function _cln_enter(){
 window.open('http://zebra.livechatnow.com/js/enter.php?url=&refer=&name=&email=&skin=&user=&uid=&sid=&cid=5340&op=&ip=&group=General&q=&track=','_chat_5340','resizable=yes,menubar=no,scrollbars=no, width=450, height=350');
 return false;
}