var days = new Array(7);
      days[1] = "Domingo";
      days[2] = "Lunes";
      days[3] = "Martes";
      days[4] = "Miércoles";
      days[5] = "Jueves";
      days[6] = "Viernes";
      days[7] = "Sábado";

    var months = new Array(12);
      months[1] = "Enero";
      months[2] = "Febrero";
      months[3] = "Marzo";
      months[4] = "Abril";
      months[5] = "Mayo";
      months[6] = "Junio";
      months[7] = "Julio";
      months[8] = "Agosto";
      months[9] = "Septiembre";
      months[10] = "Octubre";
      months[11] = "Noviembre";
      months[12] = "Diciembre";


    var today = new Date();
    var day = days[today.getDay() + 1];
    var month = months[today.getMonth() + 1];
    var date = today.getDate();
    var year = "" + today.getYear();

if (navigator.appName == "Netscape") {
        var newyear = today.getYear() + 1900;
        document.write(day + ", " + date + " de <br>" + month + " de " + newyear);
}else{
        document.write(day + ", " + date + " de <br>" + month + " de " + year);
}

document.close()