Timeline control in as 3.0

hallo

i’m a new as 3.0 user

the problem is
i have a button called tro_btn
when i press that button, i want it to go to frame 5 and play that action

in frame 5 there is a movie clip, when it’s done playing that i want that to go back to frame 1 again.
frame 1 have a stop(); action.

the movie clip in frame 5 is called tre_move

how do i do that in as 3.0