function WriteMailLink(user,domain,htmlclass,subject,display) {
  document.write('<a href="mai');
  document.write('lto:'+user+'&#64;');
  document.write(domain);
  if ( subject.length > 0 )  document.write("?subject="+subject);
  document.write('"');
  if ( htmlclass.length > 0 )
    document.write(' class="'+htmlclass+'"');
  document.write('>');
  if ( display.length > 0 )
    document.write(display);
   else
    document.write(user+'&#64;'+domain);
  document.write('<'+'/a>');
}