<!-- Begin
datetoday = new Date();
timenow=datetoday.getTime();
datetoday.setTime(timenow);
thehour = datetoday.getHours();
if (thehour > 18) display = "noches";
else if (thehour >12) display = "tardes";
else display = "dias";
var greeting = ("Buenos " + display + " !");
document.write(greeting);
//  End -->