$(function(){
    //下拉导航
    var navli=$("li",$(".nav"));
    navli.hover(function(){
        $(this).children(".list").css("display","block");
    },function(){
        $(this).children(".list").css("display","none");
    })

    //banner轮播
    $(function(){
        //获取内容图片
        var imgs=$(".con img");
        // 获取按钮
        var btns=$(".btn li");
        var num=0;
        var t1=setInterval(move1,3000);
        function move1(){
            num++;
            if(num==imgs.length){
                num=0;
            }
            imgs.css("display","none");
            btns.attr("id","");
            $(imgs[num]).css("display","block");
            $(btns[num]).attr("id","hot");
        }
        //鼠标移上去图片盒子停止，移除继续轮播
        $(".con").mouseover(function(){
            clearInterval(t1);
        })
        $(".con").mouseout(function(){
            t1=setInterval(move1,3000);
        })

        //按钮对应图片显示
        btns.mouseover(function(){
            clearInterval(t1);
            num=$(this).index(".btn li");
            imgs.css("display","none");
            btns.attr("id","");

            $(imgs[num]).css("display","block");
            $(btns[num]).attr("id","hot");
        })
        //箭头
        $(".left").click(function(){
            clearInterval(t1);
            num--;
            if(num==-1){
                num=imgs.length-1;
            }
            imgs.css("display","none");
            btns.attr("id","");
            $(imgs[num]).css("display","block");
            $(btns[num]).attr("id","hot");
        })
        $(".right").click(function(){
            clearInterval(t1);
            move1();
        })


    })
})