function radReferredToRehab_click(senderA) {
    debugger;

    if (senderA.value == 1) {
    
        ctrSam.doCommand('Page1', 'domethods');
      
    }
    
    $mainTool.set_activity({ "Next": true });
    return;
}

There are 3 radio buttons "No, yes, un". when we press yes it will popup some fields, but when I click again no or un is still there how can I hide it or disable it