jQuery Mobile and KO.js - radio

HTML

<link rel="stylesheet" href="http://code.jquery.com/mobile/1.3.2/jquery.mobile-1.3.2.min.css">
<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="http://code.jquery.com/mobile/1.3.2/jquery.mobile-1.3.2.min.js"></script>


<fieldset id="mycontrolbox">
    <label><input type="radio" value="Yes"/>Yes</label>
    <label><input type="radio" value="No"/>No</label>
    <label><input type="radio" value="Abstain"/>Abstain</label>
</fieldset>


<fieldset data-role="controlgroup" data-type="horizontal" data-mini="true">
    <label><input type="radio" value="Yes"/>Yes</label>
    <label><input type="radio" value="No"/>No</label>
    <label><input type="radio" value="Abstain"/>Abstain</label>
</fieldset>

JavaScript

$("#mycontrolbox").controlgroup({ mini: true, type: "horizontal"});
$("#mycontrolbox").attr("data-role", "controlgroup");