function insertEMail(myID, myDomain) {
  var atCharacter = "@";
  var aOpen = "<a class='ga-email' href='mailto:";
  var aClose = "'>";
  var aEnd = "</a>";
  document.write(aOpen + myID + atCharacter + myDomain + aClose + myID + atCharacter + myDomain + aEnd);
}

function insertEMailLink(myID, myDomain, linkContent) {
  var atCharacter = "@";
  var aOpen = "<a class='ga-email' href='mailto:";
  var aClose = "'>";
  var aEnd = "</a>";
  document.write(aOpen + myID + atCharacter + myDomain + aClose + linkContent + aEnd);
}