Report With Multiple Radio Button ,How to reset the values of when selected

 

Reaching out to the experts here. I have a report which i created a radio group which saves the value rownum when the radio buton is selected to a hidden item based on an on click event. There are currently 3 radio button , i need to be able to "reset" the value of the other items when more than of the button are selected .I.E. There are 3 buttons, user clicks button one , but then decides they need to click button two , then realizes they really wanted to perform button 3 , I want to be able