<script language="javascript">
function QueryString(sURL, sKey)
{
var re = new RegExp("(?:[?]|%26)" + sKey + "=(.*?)(?:%26|$)","i");
if (re.test(sURL))
return RegExp.$1;
return "";
}
var sURL = top.location.href;
var sQuery = sURL.replace(/^[^?]+\?/,"");
alert(sQuery);
alert(QueryString(sURL, "value"));
</script>
var sURL = top.location.href;
alert(QueryString(sURL, "value"));
</script>