当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 网站上面有这种切换效果

Javascript
javascript 动态数据下的锚点错位问题解决方法
jQuery 动画基础教程
jQuery 操作XML入门
ASP SQL防注入的方法
jquery 插件 web2.0分格的分页脚本,可用于ajax无刷新分页
jquery 插件 任意位置浮动固定层
JavaScript 检测浏览器和操作系统的脚本
不要小看注释掉的JS 引起的安全问题
js实现的验证,学习用js控制td
javascript iframe中打开文件,并检测iframe存在否
Javascript typeof 用法
Javascript valueOf 使用方法
extjs form textfield的隐藏方法
extjs grid取到数据而不显示的解决
Ext第一周 史上最强学习笔记---GridPanel(基础篇)
My Desktop :) 桌面式代码
javascript 双击文本框编辑功能代码
不用写JS也能使用EXTJS视频演示
js 提取class相同的节点集合
js Li来实现的效果

Javascript 中的 网站上面有这种切换效果


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-10-12   浏览: 288 ::
收藏到网摘: n/a

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>新闻切换技术</title>
<style type="text/css">
<!--
body { text-align: center; margin:0; padding:0; background: #FFF; font-size:12px; color:#000;}
div,form,img,ul,ol,li,dl,dt,dd {margin: 0; padding: 0; border: 0;}
h1,h2,h3,h4,h5,h6 { margin:0; padding:0;}
table,td,tr,th{font-size:12px;}
a:link {color: #000; text-decoration:none;}
a:visited {color: #83006f;text-decoration:none;}
a:hover {color: #c00; text-decoration:underline;}
a:active {color: #000;}
.focusPic{margin:0 auto; width:244px;}
.focusPic .pic{margin:0 auto; width:240px; height:180px; padding:2px 0 0;}
.focusPic .adPic{margin:0 auto 5px; width:240px; height:29px; overflow:hidden;background:url(http://tech.163.com/newimg/adpic.gif);}
.focusPic .adPic .text{float:right; padding:9px 4px 0 0; width:140px;}
.focusPic .adPic .text a{color:#1f3a87;}
.focusPic .adPic .text a:hover{color:#bc2931;}
.focusPic h2{ float:left; width:232px;padding:4px 0 3px 12px; font-size:14px; text-align:left;}
.focusPic p{float:left; width:226px;line-height:160%; margin:0; text-align:left;padding:0 0 10px 12px;}
.focusPic p img {margin:0px 0 2px;}
.focusPic .more{ margin:0 auto; width:240px; }
.focusPic .more .textNum{float:right; margin:0 8px 0 0;padding:0 0 4px;}
.focusPic .more .textNum .text{float:left; font-weight:bold; padding:7px 6px 0 0; color:#666;}
.focusPic .more .textNum .num{float:left; width:113px; height:19px;}
.focusPic .more .textNum .bg1{ background:url(http://tech.163.com/newimg/num1.gif);}
.focusPic .more .textNum .bg2{ background:url(http://tech.163.com/newimg/num2.gif);}
.focusPic .more .textNum .bg3{ background:url(http://tech.163.com/newimg/num3.gif);}
.focusPic .more .textNum .bg4{ background:url(http://tech.163.com/newimg/num4.gif);}
.focusPic .more .textNum .num ul{ float:left; width:113px;}
.focusPic .more .textNum .num li{float:left; width:28px; font-weight:bold;display:block; color:#fff; list-style-type:none; padding:6px 0 0;}
.focusPic .more .textNum .num li a{color:#fff; padding:0 5px; }
.focusPic .more .textNum .num li a:visited{color:#fff;}
.focusPic .more .textNum .num li a:hover{color:#ff0;}

-->
</style>
</head>

<body>
<script language="JavaScript" type="text/javascript">
var nn;
nn=1;
setTimeout('change_img()',6000);
function change_img()
{
if(nn>4) nn=1
setTimeout('setFocus1('+nn+')',6000);
nn++;
tt=setTimeout('change_img()',6000);
}
function setFocus1(i)
{
selectLayer1(i);
}
function selectLayer1(i)
{
switch(i)
{
case 1:
document.getElementById("focusPic1").style.display="block";
document.getElementById("focusPic2").style.display="none";
document.getElementById("focusPic3").style.display="none";
document.getElementById("focusPic4").style.display="none";
document.getElementById("focusPic1nav").style.display="block";
document.getElementById("focusPic2nav").style.display="none";
document.getElementById("focusPic3nav").style.display="none";
document.getElementById("focusPic4nav").style.display="none";
break;
case 2:
document.getElementById("focusPic1").style.display="none";
document.getElementById("focusPic2").style.display="block";
document.getElementById("focusPic3").style.display="none";
document.getElementById("focusPic4").style.display="none";
document.getElementById("focusPic1nav").style.display="none";
document.getElementById("focusPic2nav").style.display="block";
document.getElementById("focusPic3nav").style.display="none";
document.getElementById("focusPic4nav").style.display="none";
break;
case 3:
document.getElementById("focusPic1").style.display="none";
document.getElementById("focusPic2").style.display="none";
document.getElementById("focusPic3").style.display="block";
document.getElementById("focusPic4").style.display="none";
document.getElementById("focusPic1nav").style.display="none";
document.getElementById("focusPic2nav").style.display="none";
document.getElementById("focusPic3nav").style.display="block";
document.getElementById("focusPic4nav").style.display="none";
break;
case 4:
document.getElementById("focusPic1").style.display="none";
document.getElementById("focusPic2").style.display="none";
document.getElementById("focusPic3").style.display="none";
document.getElementById("focusPic4").style.display="block";
document.getElementById("focusPic1nav").style.display="none";
document.getElementById("focusPic2nav").style.display="none";
document.getElementById("focusPic3nav").style.display="none";
document.getElementById("focusPic4nav").style.display="block";
break;
}
}
</script>
<div class="focusPic">
<div id="focusPic1" style="display:block ;">
<div class="pic"> <a href="http://tech.163.com/special/000915SN/soft2005.html"><img src="http://cimg.163.com/tech/2006/1/18/2006011810122068706.jpg" alt="网易学院05年软件评选结果" width="240" height="180" border="0" /></a> </div>
<h2><a href="http://tech.163.com/special/000915SN/soft2005.html">网易学院05年软件评选结果</a></h2>
<p>经过大家的热情投票和我们的辛劳整理,网易学院2005年年度软件评选结果终于出炉啦。点击进入查看……<img src="/newimg/i2.gif" alt="详细" width="3" height="5" /> <a href="http://tech.163.com/special/000915SN/soft2005.html" class="cDRed">详细</a></p>
</div>
<div id="focusPic2" style="display: none ;">
<div class="pic"> <a href="http://tech.163.com/discover/"><img src="http://cimg.163.com/tech/2006/1/17/200601171557008cee7.jpg" alt="颠覆丛林动物生存法则" width="240" height="180" border="0" /></a> </div>
<h2><a href="http://tech.163.com/discover/">颠覆丛林动物生存法则</a></h2>
<p>群居动物的这种行为颠覆了我们通常认为的,在动物世界通行的 “丛林法则”,动物不都自私,不都是弱肉强食的。<img src="/newimg/i2.gif" alt="详细" width="3" height="5" /> <a href="http://tech.163.com/discover/" class="cDRed">详细</a></p>
</div>
<div id="focusPic3" style="display: none ;">
<div class="pic"> <a href="http://tech.163.com/special/00091MNJ/itobserve015.html"><img src="http://cimg.163.com/tech/2006/1/17/2006011711483290a60.jpg" alt="WAPI并非贸易阴谋" width="240" height="180" border="0" /></a> </div>
<h2><a href="http://tech.163.com/special/00091MNJ/itobserve015.html">WAPI并非贸易阴谋</a></h2>
<p>近日国家做出决定:“将向其他的国内及国外企业公布该算法”。事实证明中国WAPI标准并非是贸易阴谋。<img src="/newimg/i2.gif" alt="详细" width="3" height="5" /> <a href="http://tech.163.com/special/00091MNJ/itobserve015.html" class="cDRed">详细</a></p>
</div>
<div id="focusPic4" style="display: none ;">
<div class="pic"> <a href="http://tech.163.com/special/00091OSI/horizons.html"><img src="http://cimg.163.com/tech/2006/1/17/200601171002503f251.jpg" alt="新视野号探测冥王星特别专题" width="240" height="180" border="0" /></a> </div>
<h2><a href="http://tech.163.com/special/00091OSI/horizons.html">新视野号探测冥王星特别专题</a></h2>
<p>美国宇航局将于北京时间18日凌晨2时24分发射新视野号探测器,造访这颗人类唯一尚未探测过的行星-冥王星。<img src="/newimg/i2.gif" alt="详细" width="3" height="5" /> <a href="http://tech.163.com/special/00091OSI/horizons.html" class="cDRed">详细</a></p>
</div>
<div class="more">
<div class="textNum">
<div class="text">> 更多头图新闻</div>
<div class="num bg1" id="focusPic1nav" style="display: block;">
<ul>
<li>1</li>
<li><a href="javascript:setFocus1(2);" target="_self">2</a></li>
<li><a href="javascript:setFocus1(3);" target="_self">3</a></li>
<li><a href="javascript:setFocus1(4);" target="_self">4</a></li>
</ul>
</div>
<div class="num bg2" id="focusPic2nav" style="display: none;">
<ul>
<li><a href="javascript:setFocus1(1);" target="_self">1</a></li>
<li>2</li>
<li><a href="javascript:setFocus1(3);" target="_self">3</a></li>
<li><a href="javascript:setFocus1(4);" target="_self">4</a></li>
</ul>
</div>
<div class="num bg3" id="focusPic3nav" style="display: none;">
<ul>
<li><a href="javascript:setFocus1(1);" target="_self">1</a></li>
<li><a href="javascript:setFocus1(2);" target="_self">2</a></li>
<li>3</li>
<li><a href="javascript:setFocus1(4);" target="_self">4</a></li>
</ul>
</div>
<div class="num bg4" id="focusPic4nav" style="display: none;">
<ul>
<li><a href="javascript:setFocus1(1);" target="_self">1</a></li>
<li><a href="javascript:setFocus1(2);" target="_self">2</a></li>
<li><a href="javascript:setFocus1(3);" target="_self">3</a></li>
<li>4</li>
</ul>
</div>
</div>
</div>
</div>
</body>
</html>