求PHP跳转网址的代码。谢谢

---

<?
$s = $_SERVER['QUERY_STRING'];
if ($s == "肆罩昌裂扒http://www.baidu.com")
{
$s = "http://www.taobao.bz"闷贺;
}
if ($s == "http://www.163.com")
{
$s = "http://taomm.taobao.bz";
}
header("Location:".$s."");
?>

---