如何将广告始终定位到网页右下角

1. body{margin:0;border:0;height:100%;overflow-y:auto;}
2. #test{display:block; bottom:3px; right:3px; width:130px; position:fixed;}
3. /* 以下是写给IE6的 */
4. * html #test{position:absolute;right:18px} 
5. * html{overflow-x:auto; overflow-y:hidden;}