setOption nefunguje v presenteru

Po zatrzeni checkboxu chci aby se rozbalil div=„sendBox“. Je to kod z form examples.
Otazka:
kdyz do dam to presenteru tak nefunguje ->setOption, div=„sendBox“ je porat otevreny, samostatne jako v examples to funguje.

nevite nekdo?

<?php
	protected function createComponentDoprava_platba_form($name)
	{
	$countries = array(
	'Select your country',
	'Europe' => array(
		'CZ' => 'Czech Republic',
		'GB' => 'United Kingdom'));

$form = new NAppForm($this, $name);

$form->addGroup('Shipping address')
	->setOption('embedNext', TRUE);

$form->addCheckbox('send', 'Ship to address')
	->addCondition(NForm::EQUAL, TRUE) // conditional rule: if is checkbox checked...
	->toggle('sendBox'); // toggle div #sendBox

// subgroup
$form->addGroup()
	->setOption('container', NHtml::el('div')->id('sendBox'));

$form->addText('street', 'Street:');

$form->addText('city', 'City:')
	->addConditionOn($form['send'], NForm::EQUAL, TRUE)
	->addRule(NForm::FILLED, 'Enter your shipping address');
$form->addSelect('country', 'Country:', $countries)
	->skipFirst()
	->addConditionOn($form['send'], NForm::EQUAL, TRUE)
		->addRule(NForm::FILLED, 'Select your country');
$form->addGroup();
$form->addSubmit('submit', 'Send');
return;
?>