function setMailLinkLabel(prefix, domain, suffix, label) {
  var link_text = prefix + "@" + domain + "." + suffix;
  document.open();
  document.write("<a href=\"mailto:" + link_text + "\">" + label + "<\/a>");
  document.close();
}

function setMailLink(prefix, domain, suffix) {
  var link_text = prefix + "@" + domain + "." + suffix;
  document.open();
  document.write("<a href=\"mailto:" + link_text + "\">" + link_text + "<\/a>");
  document.close();
}