var vezesSetInterval=0;
function atualiza() {
vezesSetInterval = vezesSetInterval + 1;
javaScript:carregaChat("chamaChat.php?identificadoususario=8364e4bce300d422615e5fee094f8675","chat");
if (vezesSetInterval == "9") {
clearInterval(timer);
                          }
 }
 javaScript:carregaChat("chamaChat.php?identificadoususario=8364e4bce300d422615e5fee094f8675","chat");

var timer = setInterval("atualiza()",9000); 

function abrirjanelachat(theURL,winName,features,idChat) { 
var idChat = idChat;
javaScript:fecharChat("fecharchatonline.php?entrar=1&idChat=" + idChat);
document.getElementById('chat').style.visibility = "hidden";
  window.open(theURL,winName,features);
    
}