function writeMail(box, domain, sufix) {
    document.write('<a href="javascript:openMailTo(\''
        + box + '\', \''
        + domain + '\', \''
        + sufix + '\')">');
    document.write(box + '@' + domain + '.' + sufix);
    document.write('</a>');
}

function openMailTo(box, domain, sufix) {
    document.location = 'mailto:' + box + '@' + domain + '.' + sufix;
}