function calcage(secs, num1, num2) {
    s = ((Math.floor(secs / num1)) % num2).toString();
    if (LeadingZero && s.length < 2) s = "0" + s;
    return s;
}
function CountBack(secs) {
    var hours = Math.floor((secs / 3600));
    hours = hours.toString();
	
	if(hours > 23) { //If more than 23 hours
		
		var days = Math.floor((hours / 24));
		days = days.toString();		
		
		if(days < 10) {
			$('#days-ten').attr('src', 'img/png/box-timer-0.png');
			$('#days-single').attr('src', 'img/png/box-timer-'+days.substr(0,1)+'.png');	
		} else {
			$('#days-ten').attr('src', 'img/png/box-timer-'+days.substr(0,1)+'.png');
			$('#days-single').attr('src', 'img/png/box-timer-'+days.substr(1,1)+'.png');					
		}
		
		
		//Work out hours
		var hoursToSubtract = days * 24;
		//left hours 
		var hoursLeft = hours - hoursToSubtract;
		hoursLeft = hoursLeft.toString();	
		
		if(hoursLeft < 10) {	
			$('#hrs-ten').attr('src', 'img/png/box-timer-0.png');
			$('#hrs-single').attr('src', 'img/png/box-timer-'+hoursLeft.substr(0, 1)+'.png');
		} else {
			$('#hrs-ten').attr('src', 'img/png/box-timer-'+hoursLeft.substr(0, 1)+'.png');
			$('#hrs-single').attr('src', 'img/png/box-timer-'+hoursLeft.substr(1, 1)+'.png');					
		}
		
		
	} else { //If less than 23 hours
		
		$('#days-ten').attr('src', 'img/png/box-timer-0.png'); //No Days
		$('#days-single').attr('src', 'img/png/box-timer-0.png'); //No Days
		
		if(hours < 10) {	
			$('#hrs-ten').attr('src', 'img/png/box-timer-0.png');
			$('#hrs-single').attr('src', 'img/png/box-timer-'+hours.substr(0, 1)+'.png');
		} else {
			$('#hrs-ten').attr('src', 'img/png/box-timer-'+hours.substr(0, 1)+'.png');
			$('#hrs-single').attr('src', 'img/png/box-timer-'+hours.substr(1, 1)+'.png');					
		}
		
	}
    
    var minutes = calcage(secs, 60, 60);
    if (minutes < 10) minutes = "0" + minutes;
    minutes = minutes.toString();
    
	$('#mins-ten').attr('src', 'img/png/box-timer-'+minutes.substr(0, 1)+'.png');
	$('#mins-single').attr('src', 'img/png/box-timer-'+minutes.substr(1, 1)+'.png');
		
    var seconds_new = calcage(secs, 1, 60);
    if (seconds_new < 10) seconds_new = "0" + seconds_new;
    seconds_new = seconds_new.toString();
		
	$('#secs-ten').attr('src', 'img/png/box-timer-'+seconds_new.substr(0, 1)+'.png');
	$('#secs-single').attr('src', 'img/png/box-timer-'+seconds_new.substr(1, 1)+'.png');
	
	if (CountActive) setTimeout("CountBack(" + (secs + CountStepper) + ")", SetTimeOutPeriod);
		
	if (secs < 1) {
		
		$('#days-ten').attr('src', 'img/png/box-timer-0.png');
		$('#days-single').attr('src', 'img/png/box-timer-0.png');
		
		$('#hrs-ten').attr('src', 'img/png/box-timer-0.png');
		$('#hrs-single').attr('src', 'img/png/box-timer-0.png');
		
		$('#mins-ten').attr('src', 'img/png/box-timer-0.png');
		$('#mins-single').attr('src', 'img/png/box-timer-0.png');
		
		$('#secs-ten').attr('src', 'img/png/box-timer-0.png');
		$('#secs-single').attr('src', 'img/png/box-timer-0.png');
		
    }
	
	
}