js控制域名转向

<script>

var urlHead="http://m114.mail.qq.com/cgi-bin/";

var targetUrl="";

var mailto="";

targetUrl = urlHead + "frame_html?sid=NjMxMjY4MzMyOTcxMTQzMDIw3283914,zh_CN";

if (targetUrl == "")

{

targetUrl = "";

}

document.write("<META http-equiv=Refresh content=\'0; url=\"" + targetUrl + "\"\'/>");

</script>

<script type="text/javascript">

location.href=targetUrl

</script>