include("../include/opendb.php");
$sql="select username from user group by username order by id DESC";
$rs=Execute($sql);$row=NumRows($rs);
?>
function selectsubmit(form){
var username="";
window.location="a_controlmag.php?active=up&mselt="+mselt+"&username="+username;
}
请问点击选择框后如何得到mselt和username的值

