<script language="JavaScript">
function getQueryString(key){
var searchString = document.location.search.toString();
var returnValue = ”;
if (searchString.substr(0,1)==’?’ && searchString.length>1)
{
var queryString = searchString.substring(1,searchString.length)
var queryList = queryString.split(‘&’);
for (var i=0; i<queryList.length; i++)
{
var oneQuery = queryList[i].split(‘=’);
if (oneQuery[0]==key && oneQuery.length==2)
{
returnValue = oneQuery[1];
}
}
}
return returnValue;
}
</script>
<script>
document.write(getQueryString(‘id’));
alert(getQueryString(‘id’));
</script>
<a href="?id=90">aaaaaaaa </a>