Yet another play and pause problem

Hey everyone. I’m having a problem with trying to play and pause my movie, because I know there are several approaches to doing it (and I’ve tried many), but I can’t find one that works. My movie has a few very specific functions and actionscripting that could interfere with the play/pause function, so here it is:

http://chris.2jdesigns.com/flash/basic.swf

If someone is up to the challenge and could help me out, I would greatly appreciate it. Thanks in advance. If you have any questions at all, please feel free to ask.

PS. If you open the library window, there should be both a play and pause button. If it’s possible, I was hoping that when the user presses the pause button, it switches to the play button and vice versa.