Radio buttons on a flash subscribe form?

I've downloaded (http://github.com/campaignmonitor/flash-api-wrapper-as2/tree/master) and it works great aside from the fact that I have no idea how to implement radio buttons. Any help?

200,000 companies around the world can't be wrong.

From Australia to Zimbabwe, and everywhere in between, companies count on 
Campaign Monitor for email campaigns that drive real business results.

Get started for free
1-888-533-8098