js判断QQ是否在线(IP方式)

<script>
var online= new Array();
</script>
<script src=" http://219.133.49.157/getonline?Type=1&123456:"></script>
<script>
if (online[0]==0)
document.write("QQ当前不在线");
else
document.write("Qq在线");
</script>