function antispam(user,domain,subject,bodytext)
  {
  if(subject == null)
    subject=" ";
  if(bodytext == null)
    bodytext=" ";        
  document.write('<a href=\"mailto:' + user + '&#64;' + domain + '?subject=' + subject + '&body=' + bodytext + '\">'); 
  document.write(user + '&#64;' + domain + '</a>');
  }