Playing a few frames of an SWF

Hi, I have a problem that I suspect is easy to solve but I’ve had no success so far.

I have an SWF (created from an MPEG in Squeeze) that is divided into short bursts of static.

I have a number of buttons which when pressed should play an individual burst from the SWF (which is subsequently removed/hidden) before a new external movie is loaded.

For example button 1 plays frames 1 - 13 of the static SWF and then loads movieclip1.swf

button 2 plays frames 14 - 26 and then loads movieclip2.swf

etc etc…

Can anybody give me some pointers?

Thanks, in advance.