function isnArray() {

  argnr=isnArray.arguments.length
  for (var i=0;
  i<argnr;
  i++) {
  this[i+1] = isnArray.arguments[i];
  }
}

var isnMonths=new isnArray("Enero","Febrero","Marzo","Abril","Mayo","Junio","Julio","Agosto","Setiembre","Octubre","Noviembre","Diciembre");
var isnDays= new isnArray("Domingo","Lunes","Martes","Mi&eacute;rcoles","Jueves","Viernes","S&aacute;bado");

var today=new Date();
var theYear = today.getYear();
if (navigator.appName == "Netscape"){
year = (theYear-100)+2000
}
else {
year = theYear;
}

document.write("" +isnDays[today.getDay()+1]+", "+today.getDate()+ " de "+ isnMonths[today.getMonth()+1]+" del "+today.getYear());