kris-g

<form>
<div class="btn-group" data-toggle-name="is_private" data-toggle="buttons-radio" >
  <button type="button" value="0" class="btn" data-toggle="button">Public</button>
  <button type="button" value="1" class="btn" data-toggle="button">Private</button>
</div>
<input type="hidden" name="is_private" value="0" />
</form>