Jak na flashmessage pri odeslani formulare ajaxem?

Ahoj,

pri odeslani formulare pomoci ajaxu, se mi nezobrazi flashMessage v pripade potreby

V @layout.latte mam:

{snippet flashMessage}
    <div n:foreach="$flashes as $flash" class="flash {$flash->type}">{$flash->message}</div>
{/snippet}

JS:

$('#new-folder form').submit(function () {
        loadingAjaxIndicator.show();
        var dataString = $(this).serialize();
        var newfolder = $('#frmnewfolderForm-newfolder').val();
        var hrefaction = $(this).attr('action');

        $.ajax({
            type : "GET",
            data : dataString,
            url : hrefaction,
            success : function (response) {
                $('#imageTable').load(location.href + ' #imageTable', function () {
                    newFolderDiv.find('#frmnewfolderForm-newfolder').val('');
                    newFolderDiv.find('form').hide();
                    $('#createfolder').show();
                    loadingAjaxIndicator.fadeOut();
                });
            }
        });
        return false;
    });

V presenteru:

protected function createComponentNewfolderForm()
{
    $form = new \Nette\Application\UI\Form;

    $form->addHidden('path');
    $form->addText('newfolder');
    $form->addSubmit('newfoldersubmit', 'Vytvořit složku');

    $form->onSuccess[] = callback($this, 'newfolderSubmitted');

    return $form;
}

public function newfolderSubmitted($form)
{
    $this->flashMessage('Test flashMessage');
    if ($this->isAjax()) {
        $this->invalidateControl('flashMessage');
    }
}