function printEmailAddress(first, last)
{
    var email = first + "@" + last;
    document.write('<a href="mailto:' + email + '">' + email + '</a>');
}

function printEmailAddressText(first, last, text) {
    var email = first + "@" + last;
    document.write('<a href="mailto:' + email + '" target="_blank">' + text + '</a>');
}