function GetSecondsTxt(sSecondsNum) {

	sSecondsNum = String(sSecondsNum);
	var sSecondsText = "секунд";
	var nSecondsNumLength = sSecondsNum.length;
	
	if ( sSecondsNum.charAt(nSecondsNumLength - 2) != "1" )
	{
		if (sSecondsNum.charAt(nSecondsNumLength - 1) == "2" || sSecondsNum.charAt(nSecondsNumLength - 1) == "3" || sSecondsNum.charAt(nSecondsNumLength - 1) == "4"){
			sSecondsText = "секунды";
		}else if (sSecondsNum.charAt(nSecondsNumLength - 1) == "1"){
			sSecondsText = "секунду";
		}
	}
	return sSecondsText;
}

function countDown()
{
	var currentTime = parseInt(document.getElementById('timer').innerHTML);
	
	if( currentTime > 1 ) {
		document.getElementById('timer').innerHTML = currentTime - 1;
		document.getElementById('seconds').innerHTML = GetSecondsTxt(currentTime-1);

    	setTimeout('countDown()',1000);
	}
	else
	{
		document.getElementById('timer').innerHTML = "";
		document.getElementById('seconds').innerHTML = "...";
	}
}