function foto1(url) {
        aPopUp = window.open(url, '', 'menu=no,location=no,width=295,height=399,status=no,scrollbars=no');
}

function foto2(url) {
        aPopUp = window.open(url, '', 'menu=no,location=no,width=389,height=302,status=no,scrollbars=no');
}