function dolink(part1,part2,ext,myclass) {
    document.write('\x3Cspan class="' + myclass + '"\x3E\x3Ca href=\"mailto:' + part1 + '@' + part2 + '.' + ext + '\" \x3E');
    document.write('' + part1 + '@' + part2 + '.' + ext + '\x3C/' + 'a>\x3C/span\x3E');
}