function writeaddress()
  {
  var address = "infoapestaartjedelijnbaandingetjenl";
  address = address.replace(/apestaartje/g, "@");
  address = address.replace(/hyphen/g, "-");
  address = address.replace(/dingetje/g, ".");
  document.write('<a class="tekst" href="mailto:'+address+'">&#105;&#110;&#102;&#111;&#064;&#100;&#101;&#108;&#105;&#106;&#110;&#098;&#097;&#097;&#110;&#046;&#110;&#108;</a>');
  }