Here is one way of detecting a radio button has been pressed using php. So for this example we have three radio buttons on the form.
Here is some basic code which will allows you to embed html inside an email, with the use of php. If can be added to a class function very easily.
I was just wondering if Netscape had been updated for Mac OS, only to find on their link that it's been ditched (around March 1st 2008) so whats happened.