function control_select($action, $data)
{
if ($action == 'serialize') {
return $_REQUEST['variable_' . $data['variable']];
} elseif ($action == 'widget') {
if (!$_REQUEST['variable_' . $data['variable']]) {
$GLOBALS['variable_' . $data['variable']] = $_REQUEST['variable_' . $data['variable']] = $data['default'];
}
return html_form::select_widget('variable_' . $data['variable'], explode('|', $data['options']));
}
}