function countdown(syear,smonth,sday) { today = (new Date()).getTime(); day = (new Date(syear,smonth - 1,sday)).getTime(); time = day - today; days = (time - (time % 86400000)) / 86400000; if (days > 0) { document.write(days); } else { document.write("--"); } } // Fecha referencial countdown(2005,12,31);