function BuildEmail(site,user,visibleText) {
  if (!visibleText) {
    document.write('<a href=\"mailto:' + user + '@' + site + '\">');
    document.write(user + '@' + site + '</a>');
  } else {
    document.write('<a href=\"mailto:' + user + '@' + site + '\">' + visibleText + '</a>');
  }
}