//отсчет времени
D = new Date();
time_diff = (Date.UTC(2011, 8, 6, 15, 0, 0) - D.getTime()) / 1000;

function countDown() {      
	work_number = time_diff--;
	days = Math.floor(work_number / 86400);      
	work_number -= days * 86400;
	hours = Math.floor(work_number / 3600);
	work_number -= hours * 3600;
	minutes = Math.floor(work_number / 60);
	work_number -= minutes * 60;
	seconds = Math.floor(work_number % 60);
	days = (days < 10) ? "0"+days : days;
	hours = (hours < 10) ? "0"+hours : hours;
	minutes = (minutes < 10) ? "0"+minutes : minutes;
	seconds = (seconds < 10) ? "0"+seconds : seconds;
	values = [
		declOfNum(days, ["день", "дня", "дней"]), 
		declOfNum(hours, ["час", "часа", "часов"]), 
		declOfNum(minutes, ["минута", "минуты", "минут"]), 
		declOfNum(seconds, ["секунда", "секунды", "секунд"])
	];
	document.getElementById('counter').innerHTML =  values.join(" ");      
}

function declOfNum(number, titles) {
	cases = [2, 0, 1, 1, 1, 2];
	return "<div><b>" + number + "</b> " + titles[ (number%100>4 && number%100<20)? 2 : cases[Math.min(number%10, 5)]] + "</div>";
}

/* ************************************
**  <div id="counter"></div>
**  <script type="text/javascript">
**	setInterval("countDown()", 1000);
** </script>
************************************ */