$(function(){
	var $numbers = $(".devcon-number"),
		today, diff, deadline = new Date(2011, 3, 15),
		sec, min, hours, days;

	function setCountdown (){
		
		today = new Date();
		diff = Math.floor((deadline.getTime() - today.getTime())/1000);

		sec = diff % 60;
		diff = Math.floor(diff/60);
		min = diff % 60;
		diff = Math.floor(diff/60);
		hours = diff % 24;
		diff = Math.floor(diff/24);
		days = diff;
		
		$numbers.eq(0).css("background-position", "left " + ( - Math.floor(days/10)*100) +"%" );
		$numbers.eq(1).css("background-position", "left " + ( - days%10*100) + "%" );
		$numbers.eq(2).css("background-position", "left " + ( - Math.floor(hours/10)*100) +"%" );
		$numbers.eq(3).css("background-position", "left " + ( - hours%10*100) + "%" );
		$numbers.eq(4).css("background-position", "left " + ( - Math.floor(min/10)*100) +"%" );
		$numbers.eq(5).css("background-position", "left " + ( - min%10*100) + "%" );
		$numbers.eq(6).css("background-position", "left " + ( - Math.floor(sec/10)*100) +"%" );
		$numbers.eq(7).css("background-position", "left " + ( - sec%10*100) + "%" );
	}
	setCountdown();
	
	setInterval(setCountdown, 1000)
})