// ******************************** ventana pop *******************************
function subWin(loc, nom, ancho, alto, posx, posy) {
  var options="toolbar=0,status=0,menubar=0,scrollbars=0,resizable=0,location=0,directories=0,width=" + ancho + ",height=" + alto + ",left=" + posx + ",top=" + posy + ",screenX=" + posx + ",screenY=" + posy;
  loc = '../../../../site/extra/zoom/zoom.php?' + loc;
  var win = window.open(loc,nom,options);
  win.focus();
};