var monthNames = new makeArray(12);
    monthNames[0] = "Enero";
    monthNames[1] = "Febrero";
    monthNames[2] = "Marzo";
    monthNames[3] = "Abril";
    monthNames[4] = "Mayo";
    monthNames[5] = "Junio";
    monthNames[6] = "Julio";
    monthNames[7] = "Agosto";
    monthNames[8] = "Septiembre";
    monthNames[9] = "Octubre";
    monthNames[10] = "Noviembre";
    monthNames[11] = "Diciembre";
    var dayNames = new makeArray(7);
    dayNames[0] = "Domingo";
    dayNames[1] = "Lunes";
    dayNames[2] = "Martes";
    dayNames[3] = "Miércoles";
    dayNames[4] = "Jueves";
    dayNames[5] = "Viernes";
    dayNames[6] = "Sábado";
    var now = new Date;
    var year = now.getYear();
    if (year < 2000) {
        year = year + 1900;
    }

    function makeArray(len) {
        for (var i = 0; i < len; i++) {
            this[i] = null;
        }
        this.length = len;
    }

    document.write("" + dayNames[now.getDay()] + " " + now.getDate() + " de " + monthNames[now.getMonth()] + " " + " de " + year);