How to Load the Moviclip from reverse order?

Hi to all,
I am new to AS 3.0. i am having 5 swf file. each swf file contains the 5 to 10 keyframes.I want to load the first swf file on to the stage, while i am click the right or down arrow from the keyboard the next key frame will run. at the end of the key frame it goes to the next swf file. If i am click the up arrow or left arrow then the previous key frame will be run.
than its goes to the previous swf file i want to load from lastkey frame of the first swf file.
Please help me.

Advance thanks.