function chat_open(){
window.open('https://chat.livechatinc.net/licence/1023634/open_chat.cgi?groups=0'+
'&s=1&lang=en&dc='+escape(document.cookie+';l='+document.location+';r='+ document.referer+';s='+ typeof(lc_session)), 'Czat_1023634', 'width=604,height=247,resizable=yes,scrollbars=yes,status=1');
}