facebook”messenge”同”add friend

按 facebook 上面 bar 的 setting >> private setting
http://img5.imageshack.us/img5/8379/facebooksettingm.jpg
<img src='http://img5.imageshack.us/img5/3779/facebooksetting.jpg' border='0'/>
按 search
http://img5.imageshack.us/img5/6240/facebooksearch.jpg
唔 tick my friend list
http://img37.imageshack.us/img37/2455/facebookfriendlist.jpg
>> save changes
完成!