function Mailer(form,w,h,tipo) {
  msgWindow=window.open('','winmail','resizable=no,width='+w+',height='+h+',left=20,top=20,toolbar=no,status=no,scrollbars=no');
  form.action='mailer.pl';
  form.target='winmail';
  if(tipo == 1) {
    form.share.value=1;
  } else {
    form.share.value=0;
  }
  form.submit();
}