Plezi,
To get that going, first, you'll need to get the iframe page working on it's own:
www.plezilakaytv.com/prochatrooms/
When I go there, I can't tell how that page is configured, but it doesn't look to be a Joomla site at all. You'll need to have the main JFBConnect component, as well as the user, authentication and JFBCSystem plugins enabled at a minimum for JFBConnect to work. I'm not sure any of that is there as our included Javascript files isn't on the page as well as a lot of the code that the JFBCSystem plugin inserts dynamically.
If you can explain a bit more how things should work, that'd be great. As it stands, the page you're showing is missing a lot of the normal things that JFBConnect needs to operate. Is it necessary to put that in the iFrame?
Thanks,
Alex