about module pool program

Hi all,

I have 2 screens in the program. In first screen i have one input button and 2 radio buttons.

so if i give input and select one radio button it is going to the 2 nd screen.

So in the 2 nd screen when i save the document it has to go to the function module .before going to the function module it has to check which radio button i have selected in the initial screen..?

how will i do this....?

Pls help me on this issue......

plzzzzzzzzzzzzz