Best way to keep loading content to main?

hi there!

well my problem is:

i have a main swf with 5 menus and i want to , when i click on one buton the meuns will apear ( they have exactly the same size as the main movie)

im trying with loadMovie but i cant make it work cause, when i load the new menu, i cant go back to the main one.

any idea of how to make this in the best way plz?

thank you very much in advance!