I just want to fade something!

Hi,
It seems nearly impossible to easily fade something from invisible to black within the game engine.
can someone help me out?

it is possiple … wait tell i edit and give you post

ok , by going to this thread
http://blenderartists.org/forum/showthread.php?t=56842
this link
030-learn fadeing between scenes … in realtime engine (((with sound)))
http://www.khayma.com/cgwoods/downlo…er/fadeing.rar

it learns you how to fade , but to make black after that alter the values of three colors in ipo and make them over the value 1