javascript 新闻切换技术

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<title>脚本之家www.gxlcms.com新闻切换技术</title>  
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<body>  
 <script language="JavaScript" type="text/javascript">  
var nn;  
nn=1;  
setTimeout('change_img()',6000);  
function change_img()  
{  
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function setFocus1(i)  
{  
 selectLayer1(i);  
}  
function selectLayer1(i)  
{  
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 case 1:  
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  <img src="http://img.gxlcms.com//Uploads-s/new/2019-09-17-201917/2006011810122068706.jpg" alt="网易学院05年软件评选结果" width="240" height="180" border="0" / onclick="javascript:window.open(this.src);" style="CURSOR: pointer" onload="return imgzoom(this,550)">   
 <h2>网易学院05年软件评选结果</h2>  
  
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="https://www.jb51.net/newimg/i2.gif" alt="详细" width="3" height="5" / onclick="javascript:window.open(this.src);" style="CURSOR: pointer" onload="return imgzoom(this,550)"> 详细</p>  
   
   
  <img src="http://img.gxlcms.com//Uploads-s/new/2019-09-17-201917/200601171557008cee7.jpg" alt="颠覆丛林动物生存法则" width="240" height="180" border="0" / onclick="javascript:window.open(this.src);" style="CURSOR: pointer" onload="return imgzoom(this,550)">   
 <h2>颠覆丛林动物生存法则</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="https://www.jb51.net/newimg/i2.gif" alt="详细" width="3" height="5" / onclick="javascript:window.open(this.src);" style="CURSOR: pointer" onload="return imgzoom(this,550)"> 详细</p>  
   
   
  <img src="http://img.gxlcms.com//Uploads-s/new/2019-09-17-201917/2006011711483290a60.jpg" alt="WAPI并非贸易阴谋" width="240" height="180" border="0" / onclick="javascript:window.open(this.src);" style="CURSOR: pointer" onload="return imgzoom(this,550)">   
 <h2>WAPI并非贸易阴谋</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="https://www.jb51.net/newimg/i2.gif" alt="详细" width="3" height="5" / onclick="javascript:window.open(this.src);" style="CURSOR: pointer" onload="return imgzoom(this,550)"> 详细</p>  
   
   
  <img src="http://img.gxlcms.com//Uploads-s/new/2019-09-17-201917/200601171002503f251.jpg" alt="新视野号探测冥王星特别专题" width="240" height="180" border="0" / onclick="javascript:window.open(this.src);" style="CURSOR: pointer" onload="return imgzoom(this,550)">   
 <h2>新视野号探测冥王星特别专题</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="https://www.jb51.net/newimg/i2.gif" alt="详细" width="3" height="5" / onclick="javascript:window.open(this.src);" style="CURSOR: pointer" onload="return imgzoom(this,550)"> 详细</p>  
   
   
   
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