ok thanks, now im trying to modding final fantasy VII 
P.S.
the problem of the black model its only in obj file, in someone character archive is present a smd file or other formact, and in this formact dont is present the problem of black model
P.S.2
I have understand how to removing the black part is very simple
, but have a problem, in game the model continues to remain black, this is the result:
http://i.imgur.com/9fYjH.jpg
anyone can help me to solve the problem, i use milkshape and 3ds max 2009
EDIT
SOLVED, have understand the problem and have solve.
Mod Edit: That image was WAY too big to post like that...

P.S.
the problem of the black model its only in obj file, in someone character archive is present a smd file or other formact, and in this formact dont is present the problem of black model
P.S.2
I have understand how to removing the black part is very simple
, but have a problem, in game the model continues to remain black, this is the result:
http://i.imgur.com/9fYjH.jpg
anyone can help me to solve the problem, i use milkshape and 3ds max 2009

EDIT
SOLVED, have understand the problem and have solve.
Mod Edit: That image was WAY too big to post like that...