Alpha fade, enlarge function [MX foo]

can someone give me an idea how I would use a function to enlarge and change the alpha of a button but make it span over a period of time like it was an animation.
a long time ago on gear78.com I think he used functions to make his buttons do what they did and it was badass. if I find another site I will post a link. if you don’t know what the heck I am talking about tell me and I will try and explain it more.

thanks so much for reading!
_root.brian.2 C:-)

Use movie clips instead, maybe?

that sounds reasonable.
I thought that since he did his with actionscript it might be easier than tweening and and doing separate animations for a lot of buttons.
has anyone ever seen the gear78 site…one of the old versions?