Radio Button

i have problem in radio button...
1) i used two groupin each group two redio bttn.
2)e.g:- A-grp(Maonth, week), B-grp(yogesh, pieter )
3)then if i select Month from A-grp the i have two choice either pieter or yogesh Month- pieter Month- yogesh .....by using above criterion.. get the result... 4)same thing used for Week from A-grp....
5) same thing used for pieter from B-grp....
6) same thing used for yogesh from B-grp....
.. i wanna above thing using Redio Button...not DD how it's possible... i used must time but ...