Javascript 获取链接(url)参数的方法

<script type="text/javascript">
<!--
function getQueryStringRegExp(name)
{
var reg = new RegExp("(^|//?|&)"+ name +"=([^&]*)(//s|&|$)", "i");
if (reg.test(location.href))
return unescape(RegExp.$2.replace(//+/g, " "));
return "";
} //http://localhost/test.html?aa=bb&test=cc+dd&ee=ff alert(getQueryStringRegExp('test'));
//-->
</script>