function writeaddress()
  {
  var address = "infoapestaartjegbsnederlanddingetjenl";
  address = address.replace(/apestaartje/g, "@");
  address = address.replace(/hyphen/g, "-");
  address = address.replace(/dingetje/g, ".");
  document.write('<a class="ftr" href="mailto:'+address+'">info@gbsnederland.nl</a>');
  }