// Bilder in Fancybox öffnen -> container = umgebender Frames
function fancyImages(container) {
    $(document).ready(function() {
        $(container + " a").fancybox({
            'zoomSpeedIn': 100,
            'zoomSpeedOut': 100,
            'overlayShow': true,
            'overlayOpacity': 0.5,
            'hideOnContentClick': true
        });
    });
}