function writeSecureMail(sAnchor,sLayer,sName,sDomain,sSubject) {

  aAnchor = document.getElementById (sAnchor);
  eLayer = document.getElementById (sLayer);

  // For 2 emails equals (ie, konkeror,...)   
  aAnchor.id = aAnchor.id + '_ok';
  eLayer.id = eLayer.id + '_ok';

  if (!aAnchor) return;
  if (!eLayer) return;

  aAnchor.href = aAnchor.href.replace("(arroba)", "@");
  eLayer.innerHTML = eLayer.innerHTML.replace("(arroba)", "@");

  return true;
}