thanks for taking your time to read this far, I hope you can help!
i haven't worked with iframes in this capacity, but i imagine you'd have to manipulate the onload event (REF: http://www.w3schools.com/jsref/dom_obj_frame.asp) to then check with your button and make sure that it changes to reflect the current situation that you expect.
1. If you reply to my post, and your reply would then appear directly beneath my post, DON'T QUOTE MY ENTIRE POST!!! IT'S REDUNTANT!!! IT'S ASININE!!!! IT'S REDUNDANTLY ASININE!!!!! DON'T DO IT!!!!
3. Use the [code][/code] tags. Otherwise, you may be left wondering why no one responded to your eyesore of a thread.