Movieclips behaving as buttons

i’m confused…

i’m trying to make a movieclip behave as a button…

i tried using instanceName.ButtonMode etc…

i made up, down, active, and inactive states…

i’m not sure i’m understanding the simplebutton class…

can someone please tell me their method of making a movieclip behave as a button?!? please?!

one more question…i have a “master” SWF that uses AS3-flash player 9…can i load in external SWFs that use AS2- flash player 7?? the 2 SWfs will never talk to each other…they might share variables though…

Thanks in advance!