<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
  <title>無標題頁</title>
  <script src="js/jquery-2.1.4.js" type="text/javascript"></script>
  <style type="text/css">
    .clear{overflow:hidden; clear:both; width:0px; height:0px; }
    .imgbox{width:640px; margin:0 auto; text-align:center; }
    ul{padding:0px; margin:0px;}
    ul li{float:left; list-style:none; }
    ul li.select{display:block;}
    .imgnum span{border-radius:10px; font:normal normal bold 12px/15px 微軟雅黑; color:#FFF; margin-left:5px; padding:3px 6px 3px 6px; background-color:#F90; cursor:pointer;}
    .imgnum span.onselect{background-color:#F00;}
    .imgnum{text-align:center; float:right; margin:-30px 30px; position:relative;}
  </style>
</head>
<body>
  <div class="imgbox">
      <ul id="banner_img">
        <li><img src="images/banner1.jpg"/></li>
        <li><img src="images/banner2.jpg"/></li>
        <li><img src="images/banner3.jpg"/></li>
        <li><img src="images/banner4.jpg"/></li>
        <li><img src="images/banner5.jpg"/></li>
      </ul>
  <div class="clear"></div>
  <div class="imgnum">
    <span class="onselect">1</span>
    <span>2</span>
    <span>3</span>
    <span>4</span>
    <span>5</span>
  </div>
</div>
<script type="text/javascript">
     var time = "";
     var index = 1;
     $(function () {
       showimg(index);
       //鼠標移入移出
       $(".imgnum span").hover(function () {
        clearTimeout(time);
        var icon=$(this).text();
        $(".imgnum span").removeClass("onselect").eq(icon-1).addClass("onselect");
        $("#banner_img li").hide().stop(true,true).eq(icon-1).fadeIn("slow");
       }, function () {
        index=$(this).text()> 4 ? 1 :parseInt($(this).text())+1;
        time = setTimeout("showimg(" + index + ")", 3000);
       });
     });
 
     function showimg(num) {
       index = num;
       $(".imgnum span").removeClass("onselect").eq(index-1).addClass("onselect");
       $("#banner_img li").hide().stop(true,true).eq(index-1).fadeIn("slow");
       index = index + 1 > 5 ? 1 : index + 1;
       time = setTimeout("showimg(" + index + ")", 3000);
     }
  </script>
</body>
</html>

注意要引用 Jquery 文件，圖片我就不放上來了，自己替換掉，注意圖片長寬。

效果圖如下：