function mailThis(id, nid){
  var janLarg = 360;
  var janAlt = 310;
  var largura = screen.width;
  var altura = screen.height;
  var xPos = (largura - janLarg) / 2;
  var yPos = (altura - janAlt) / 2;
  self.focus();

  window.open("mail.noticias.php?id=" + id,"mailnoticias","width="+janLarg+",height="+janAlt+",top="+yPos+",left="+xPos);
  void(0);
}