protected function _radioButtons($name, $values, $checkedValue = null, $actions = '')
{
$result = '';
$i = 0;
foreach ($values as $value => $display) {
$checked = !is_null($checkedValue) && $value == $checkedValue ? ' checked="checked"' : '';
$result .= sprintf('<input id="%s%s" type="radio" class="checkbox" name="%s" value="%s"%s%s /><label for="%s%s"> %s</label><br />', htmlspecialchars($name), $i, htmlspecialchars($name), htmlspecialchars($value), $checked, $actions, htmlspecialchars($name), $i, htmlspecialchars($display));
$i++;
}
return $result;
}