function order(tag)
{
var tag;
//tag=Document.getElementById("order").value;
var id='order'+tag;
var num=document.getElementById(id).value;
//location.href="check_update.php?id=tag&game_order=num";
var chr=check_update.php?'id'=id&'game_order'=num;
alert (chr);
}
最后的chr要怎么写,我想实现JS跳转