function reveal(name) {
  id = document.getElementById('mail');
  id.href = ":" + name;
  id.href = "mailto" + id.href + "@";
  id.href = id.href + "jpnn.co.uk";

  id.innerHTML = "@";
  id.innerHTML = name + id.innerHTML;
  id.innerHTML = id.innerHTML + "jpnn.co.uk";

  id.onclick = "";
  return false;
}