SO - 17057481

by Arun P Johny

HTML

<div>
    <input type="radio" name="a_SignatureOption" value="0"/>
    <input type="radio" name="a_SignatureOption" value="1"/>
    <input type="radio" name="a_SignatureOption" value="2"/>
</div>
<button id="commandButton_1_0">Save</button>

JavaScript

$(document).ready(function() {
    $('input:radio[name=a_SignatureOption]').click(function() {
        var checkval = $(this).val();
        $('#commandButton_1_0').prop('disabled', !(checkval == '1' || checkval == '2'));
    });
});