判断QQ是否在线(JS代码)

<script>
var online= new Array();
</script>
<script src="http://webpresence.qq.com/getonline?Type=1&qq号码:"></script>
<script>
if (online[0]==0)
document.write(" <img src=不在线显示的图片地址 border=0 align=center /><a class='qqb' target=blank href='http://wpa.qq.com/msgrd?V=1&Uin=qq号码&Site=在线咨询&Menu=no' title='QQ不在线，请留言'>名称</a>");
else
document.write(" <img src=在线时显示的图片地址 border=0 align=center /><a class='qqa' target=blank href='http://wpa.qq.com/msgrd?V=1&Uin=qq号码&Site=在线咨询&Menu=no' title='在线即时交谈'>名称</a>");
</script>