Clicking radio button it calls the another program or t-code.

Hi all,

       In my program am having two radio buttons, by clicking first radio button i want to display the

another program in (se 38)..Now in my code am using submit syntax

by clicking first radio button and press F8 means it calls the another program.But my user wants while first click

it calls the another program screen.

How to do this?? Anyone suggest??