var mydate=new Date();
var year=mydate.getYear();

if (year < 1000) year+=1900;
var day=mydate.getDay();
var month=mydate.getMonth();
var daym=mydate.getDate();

if (daym<10) daym="0"+daym;

var dayarray=new Array("Domingo","Lunes","Martes","Mi&eacute;rcoles","Jueves","Viernes","S&aacute;bado");
var montharray=new Array("enero","febrero","marzo","abril","mayo","junio","julio","agosto","septiembre","octubre","noviembre","diciembre");

document.write("<small><font color='#FFFFFF' face='Arial'>"+dayarray[day]+", "+daym+" de "+montharray[month]+" de "+year+"</font></small>");