<script type="text/javascript">
	var ArrImg=["images/1.jpg","images/2.jpg","images/3.jpg","images/4.jpg","images/5.jpg"];
	var num=ArrImg.length;
	//建立li和小原點
	for(var i=0;i<ArrImg.length;i++){
		$("<li/>").css("background","url("+ArrImg[i]+")").appendTo($("#banner"));
		$("<li/>").html(i+1).appendTo($("#round"));
	}
	//設定ul寬度
		$("#banner").css("width",$("#banner li:eq(1)").width()*(ArrImg.length)+"px");
	//操作輪播圖
       // 1.輪播最大的left值
        var Liw=$("#banner li").width();
        var bannerW=$("#banner").width();
        var index=0; 
       
        //圖片變化初始化
        function move(index){
        $("#banner").css("left",-Liw*index );
    		$("#round li").css("background","#000");
    		$("#round li").eq(index).css("background","red");   
        }
        //圖片變化
         var time1=setInterval(changeImg,1500);
        function changeImg(){   
    		move(index)
		    	if(index==4){	
		    		index=-1;
		    	}     		
        	index++;
        }
       //點選下標
         $("#round li").on('mouseenter',function(){	 	
       	 	index=$(this).index();
       	 	clearInterval(time1);
       	 	move(index)    	 	 	  
      	 })   
         $("#round li").on('mouseout',function(){
         	time1=setInterval(changeImg,1500);
         })
        //劃過出現按鈕
        $("#wrap").on('mouseenter',function(){
        	$("#right a").add("#left a").css("display","block");
        }).on('mouseleave',function(){
        	$("#right a").add("#left a").css("display","none");
        })
        //點選按鈕
         $("#left a").add($("#right a")).hover(function(){
         	clearInterval(time1);
         },function (){
         	time1=setInterval(changeImg,1500); 
         });

        $("#right a").on('click',function(){	
        	clearInterval(time1); 
        	index=((++index)%5);
       	 	move(index)
        });
          $("#left a").on('click',function(){	
        	clearInterval(time1); 
        	index=((5+--index)%5);      	
       	 	move(index)
        });
console.log(0%5);
</script>
 

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