$name = new TextField('FromName', 'Il tuo nome');
$from = new TextField('FromEmail', 'Il tuo indirizzo email');
//$to = new DropDownField('ToEmail', 'Chi desideri contattare?', $map);
$to = new GroupedDropdownField(
        $name = "ToEmail",
        $title = _t("Contact", "Chi desideri contattare?"),
        $groupedDropDownEmail,
        $ToEmailVal
);
$msg = new TextAreaField('Message', 'La tua richiesta');
$fields = new FieldList($name, $from, $to, $msg);
$actions = new FieldList(
        new FormAction('doSendContactForm', 'Invia richiesta')
);
$required = new RequiredFields(
        array('FromName', 'FromEmail', 'Message')
);

$form = new Form($this, 'ContactForm', $fields, $actions, $required);