var evtAntiSpam = window.onload;
window.onload = (typeof(window.onload) != 'function' ? antiSpam : function() { evtAntiSpam(); antiSpam(); });

function antiSpam() {
 if (document.getElementsByTagName) {
  
  /* Change the next variable: */
  var change = '(apendinges)';
  
  var allOfThem = document.getElementsByTagName('a');
  var thisHref;
  for (var i = 0; i < allOfThem.length; i++) {
   thisHref = allOfThem[i].getAttribute('href');
   if (thisHref.indexOf('mailto:') != -1) {
    allOfThem[i].setAttribute('href', thisHref.replace(change, '@'));
   }
  }
 }
}