var dow = 0;
var tz=0;
function start(lab,time,img)
{
	if (document.getElementById && document.getElementById('timer'+lab) && document.getElementById('img'+lab) != null)
		displayCountdown(time,lab,img);
	else
		setTimeout('start(\''+lab+'\','+time+',\''+img+'\')',100);
}

function displayCountdown(countdn,lab,img)
{
	if (countdn < 0)
	{
		document.getElementById('timer'+lab).innerHTML = "";
		document.getElementById('img'+lab).src=img;
	}
	else
	{
		var secs = countdn % 60;
		if (secs < 10)
			secs = '0'+secs;
		var countdn1 = (countdn - secs) / 60;
		var mins = countdn1 % 60;
		if (mins < 10)
			mins = '0'+mins;
		countdn1 = (countdn1 - mins) / 60;
		var hours = countdn1 % 24;
		if (hours < 10)
			hours = '0'+hours;
		var days = (countdn1 - hours) / 24;
		document.getElementById('timer'+lab).innerHTML = days+' : '+hours+' : '+mins+' : '+secs;
		setTimeout('displayCountdown('+(countdn-1)+',\''+lab+'\',\''+img+'\');',999);
	}
}