Add user name and sure name to auth_user tabl

[Anonymous]

I need add Name and Surname for user in auth_user table... I`m creat a new fields (name,surname). In wich place on the phplib scripts I need place some changes for it?

if I use: $auth->auth["uname"]; I`m recive a username, what I can do if I need have $auth->auth["surname"] ???

Thanks!

P.S. sorry for my english, I`m don`t speak on it ;)