function getTopicAutoSubscribeSelect($select_name, $selected_option = null)
{
$statuses = Subscriptions::getTopicAutoSubscribeNames();
if (empty($selected_option)) {
$selected_option = SUBSCRIPTION_TOPIC_AUTOSUBSCRIBE_YES;
}
$options = array();
foreach ($statuses as $status => $status_name) {
$options[] = array('value' => $status, 'contents' => $status_name);
}
return HtmlForm::getRadio(array('select_name' => $select_name, 'values' => $options, 'selected_value' => $selected_option));
}