function RollImage(harf,child){
	$('.roller').animate({"left": "-="+harf+"px"},70000,"linear",
	 function () {
		$('li:lt('+child+')','.roller').appendTo('.roller');
		$('.roller').css("left","0px");
		RollImage(harf,child);
	});
}

$(document).ready(function(){
	harf = parseInt($('.roller').width() / 2);
	child = parseInt($('li','.roller').length / 2);
	RollImage(harf,child);
});