function getMail(minfo, mdomain) {
    var mmail = 'mail';
    var mat = '@';
    var mcom = 'com';
    var mdot = '.';
    var mcolon = ':';
    var mto = 'to';

    return {
        mail: minfo + mat + mdomain + mdot + mcom,
        mailTo: mmail + mto + mcolon + minfo + mat + mdomain + mdot + mcom
    }
}

function writeMail(minfo, mdomain) {
    document.write(getMail(minfo, mdomain).mail);
}