function writeEmailLink(addr) {
    return '<a href="mailto:' + addr + '">' + addr + '</a>';
}

function writeProlEmail(e) {
    var d = 'prologica.pt';
    return e + '@' + d;
}

function writeYoutsuEmail(e) {
    var d = 'youtsu.pt';
    return e + '@' + d;
}