Asssuming options are to be checked on textbox focus event

1. Put checked property of radio button equal to True
2. Put checked property of check boxes equal to True

To set it true,

$(idtextbox).focus( function () {
//for radio buttons
$("#SOTH78184X44X--no--").checked=True;
//for check boxes
$("#answer78184X44X--no--othercbox").checked=True;
});