MW2 Elevator Glitch

i saw at youtube this videohttp://www.youtube.com/watch?v=Mgv-GRVEoHYhow he do this or can me show some one this glitch on the ps3????
help :-\

Have you tried this on a ps3 at all first?Prehaps it's a bit of practice...or they fixed this on the ps3.

of course i tried
but i need helpwithout someone its almost impossible
(it isn't easy) :(

It's PATCHED.