Código HTML:
entre body me dijeron que escribuiera lo siguiente: <script languaje="javascript"> //cambiar el texto var before="el segundo aniversario de LosRecursosGratis.com" var current="Hoy es mi cumpleaños!" var montharray=new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec") function countdown(yr,m,d){ var today=new Date() var todayy=today.getYear() if (todayy < 1000) todayy+=1900 var todaym=today.getMonth() var todayd=today.getDate() var todaystring=montharray[todaym]+" "+todayd+", "+todayy var futurestring=montharray[m-1]+" "+d+", "+yr var difference=(Math.round((Date.parse(futurestring)-Date.parse(todaystring))/(24*60*60*1000))*1) if (difference==0) document.write(current) else if (difference>0) document.write("Faltan "+difference+" días para "+before) } //cambiar la fecha countdown(2003,4,14) </script>