var scrollSpeed = 1;
			var step = 1;
			var current = 0;
			var imageWidth = 2247;
			var headerWidth = 1280;
			var restartPosition = -(imageWidth - headerWidth);
			function scrollBg(){
				current -= step;
				if (current == restartPosition){
					current = 0;
				}
				$('#header').css("background-position",current+"px 0");
			}
			var init = setInterval("scrollBg()", scrollSpeed);