function apri(id){
  var sUrl = "http://feccetricolore.altervista.org/popup/foto" + id + ".html";
  var w = 440;
  var h = 370;
  var winName = "foto";
  win = window.open(sUrl, winName, "height=" + h + ",width=" + w + ",resizable=no,status=no,scrollbars=no,location=no,menubar=no,toolbar=no,top=200,left=200");
  }