flash actionscript: I have to setup a navigation that is similar to having a back button in a
browser. Im not sure exactly how to do this.
It appears to sound pretty dynamic.
1. The user can select one of 12 options
2. then another 12 (btns) options replace the prior.
3. There are two other buttons - very beginning of the options (like a home)
and a back one level button
The problem im having is if I use multiple mcs (and just goto a frame when
something is selected) how does my back button remember what exact mc was last
(and for that matter what frame in that mc) and the one before that and so on -
all the way back to the beginning of the options?

i don't know any tutorials. for your project i'd probably use a 2d array that
pushes the currently selected movieclip/frame into the 2d array. that way you
could, at any time, use your back button to start at the end of the array and
move back towards the beginning retrieving the movieclip/frame that was
selected at any particular step.