Using radioButton with kirupa`s flash/php mail form

1

Does someone know how to send a variable from a radioButton component to php?

http://www.kirupa.com/developer/actionscript/flash_php_email.htm
http://www.kirupa.com/developer/mx/components.htm

Or do you know where I can find a good tutorials for that?
The component getting my crazy! :red:

Thanks!