function WriteMailLink(user,domain,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 ( display.length > 0 )
      document.write(display);
     else
      document.write(user+'&#64;'+domain);
    document.write('<'+'/a>');
  }