function impressum() {
    window.open('impressum.html', 'Impressum', 'width=530,height=500,scrollbars=1');
}

function stadtplan() {
    $('img-contact').src = 'img/content/anfahrtsskizze.jpg';
}

window.onload = function() {
    if ($('scroller')) {
        scroller.setup('content-body', 'scroller');
    }
}