function zdjecieSrednie(src, href,i) {
    document.getElementById('ctl00_ContentPlaceHolder1_ofertaZdjecia1_IDuze').src = src;
    document.getElementById('ctl00_ContentPlaceHolder1_ofertaZdjecia1_IDuze').onclick = function() {
        lightbox_plus._show(i);
        return false;
    };
    return false;
}