jQuery().ready(function(){
	jQuery("#chxj_top li").eq(0).css("background","url(/images/chxj_2.jpg)")


	var len=jQuery('#chxj_top li').length;
	var index=0;
	var time;
   jQuery('#chxj_top li').mousemove(function(){
		index=jQuery("#chxj_top li").index(this);
		show(index);
		});
		
		jQuery(".chxj_ul").hover(function(){
		clearInterval(time);
		},function(){
				time=setInterval(function(){
				show(index)
				index++;
				if(index==len){index=0;}
			},2000);
			}).trigger("mouseleave");

})
function show(index) {

  jQuery(".chxj_ul li").eq(index).show().siblings().hide();

  jQuery("#chxj_top li").css("background","url(/images/chxj_1.jpg)").eq(index).css("background","url(/images/chxj_2.jpg)");

}