var _countDowncontainer=0;
var _currentSeconds=0; 
function ActivateCountDown(strContainerID, initialValue,initialdays) 
{    
	_countDowncontainer = document.getElementById(strContainerID);  
	//alert(initialValue);      
	if (!_countDowncontainer) 
	{
        alert("count down error: container does not exist: "+strContainerID+"\nmake sure html element with this ID exists");        
		return;    
	}        
	SetCountdownText(initialValue,initialdays);    
	window.setTimeout("CountDownTick()", 1000);
} 
function CountDownTick() 
	{    
		if (_currentSeconds <= 0) 
		{        
			//alert("your time has expired!");        
			return;    
		}        
		SetCountdownText(_currentSeconds-1);    
		window.setTimeout("CountDownTick()", 1000);
	} 
	
function SetCountdownText(seconds,days) 
{    
	//store:    
	_currentSeconds = seconds;  
	_currentdays = days;      
	//get minutes:    
	var minutes=parseInt(seconds/60);        
	//shrink:    
	seconds = (seconds%60);        
	//get hours:    
	var hours=parseInt(minutes/60);        
	//shrink:    
	minutes = (minutes%60);   
	//days
	var days = parseInt(hours/24);     
	//build text:    
	var strText = AddZero(hours) + ":" + AddZero(minutes) + ":" + AddZero(seconds);        
	//apply:    
	//alert(days);
	_countDowncontainer.innerHTML = strText;
} 
function AddZero(num) 
{    
	return ((num >= 0)&&(num < 10))?"0"+num:num+"";
}