jquery輪換效果

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="https://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>圖片輪播切換效果-橡樹小屋</title>
<style type="text/css">
#banner {position:relative; width:478px; height:286px; border:1px solid #666; overflow:hidden;}
#banner_list img {border:0px;}
#banner_bg {position:absolute; bottom:0;background-color:#000;height:30px;filter: Alpha(Opacity=30);opacity:0.3;z-index:1000;cursor:pointer; width:478px; }
#banner_info{position:absolute; bottom:0; left:5px;height:22px;color:#fff;z-index:1001;cursor:pointer}
#banner_text {position:absolute;width:120px;z-index:1002; right:3px; bottom:3px;}
#banner ul {position:absolute;list-style-type:none;filter: Alpha(Opacity=80);opacity:0.8; border:1px solid #fff;z-index:1002;
   margin:0; padding:0; bottom:3px; right:5px;}
#banner ul li { padding:0px 8px;float:left;display:block;color:#FFF;border:#e5eaff 1px solid;background:#6f4f67;cursor:pointer}
#banner ul li.on { background:#900}
#banner_list a{position:absolute;} <!– 讓四張圖片都可以重疊在一起–>
</style>
<script type="text/javascript" src="jquery-1.2.6.pack.js"></script>
<script type="text/javascript">
 var t = n = 0, count;
 $(document).ready(function(){
  count=$("#banner_list a").length;
  $("#banner_list a:not(:first-child)").hide();
  $("#banner_info").html($("#banner_list a:first-child").find("img").attr('alt'));
  $("#banner_info").click(function(){window.open($("#banner_list a:first-child").attr('href'), "_blank")});
  $("#banner li").click(function() {
   var i = $(this).text() – 1;//獲取Li元素內的值,即1,2,3,4
   n = i;
   if (i >= count) return;
   $("#banner_info").html($("#banner_list a").eq(i).find("img").attr('alt'));
   $("#banner_info").unbind().click(function(){window.open($("#banner_list a").eq(i).attr('href'), "_blank")})
   $("#banner_list a").filter(":visible").fadeOut(500).parent().children().eq(i).fadeIn(1000);
   document.getElementById("banner").style.background="";
   $(this).toggleClass("on");
   $(this).siblings().removeAttr("class");
  });
  t = setInterval("showAuto()", 4000);
  $("#banner").hover(function(){clearInterval(t)}, function(){t = setInterval("showAuto()", 4000);});
 })
 
 function showAuto()
 {
  n = n >=(count – 1) ? 0 : ++n;
  $("#banner li").eq(n).trigger('click');
 }
</script>
</head>
<body>
<p id="banner">
 <p id="banner_bg"></p>  <!–標題背景–>
 <p id="banner_info"></p> <!–標題–>
    <ul>
        <li class="on">1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
    </ul>www.aiwalls.com
   <p id="banner_list">
        <a href="#" target="_blank"><img src="imgs/p1.jpg" title="橡樹小屋的blog" alt="橡樹小屋的blog" /></a>
        <a href="#" target="_blank"><img src="imgs/p5.jpg" title="橡樹小屋的blog" alt="橡樹小屋的blog" /></a>
        <a href="#" target="_blank"><img src="imgs/p3.jpg" title="橡樹小屋的blog" alt="橡樹小屋的blog" /></a>
        <a href="#" target="_blank"><img src="imgs/p4.jpg" title="橡樹小屋的blog" alt="橡樹小屋的blog" /></a>
 </p>
</p>
</body>
</html>
作者:guyongqing52

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