var x=0;
$(function(){
	ChangeImg();
	$(".select>li").click(function(){
		$(".select>li").attr("class","");
		$(this).attr("class","chick");
		var i=$(this).index();
		x=i;
		var width=-i*975+"px";
		$(".sli_img").animate({left:width},"slow");
		
	})
})

function ChangeImg()
{
	var width=-x*975+"px";
	$(".sli_img").animate({left:width},"slow");
	$(".select>li").attr("class","");
	$(".select>li").eq(x).attr("class","chick");
	x=x+1;
	if(x==3)x=0;
	setTimeout(ChangeImg,5000);
}