JS实现幻灯片效果的小问题

不废话无代码
<script language="JavaScript">
var i=0;
function a()
{
var n=document.getElementById('show');
i++;
if(i>=15)i=1;
n.innerHTML=document.write('<img src="test/'+i+'.jpg" />');
t=setTimeout('a()',1000);
}
</script>
<body onload="a()">
<div id="show" style="width:375; height:450; margin:0 auto;"></div>
</body>我的test文件夹里有15张图片
实现幻灯片效果循环
不知道哪里有错了。高手看看

解决方案 »

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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf8" />
<title>无标题文档</title>
<script  type="text/javascript">
var   i=0;
function a()
{
   var n=document.getElementById( 'show ');
   i++;
   if(i>=15){
     i=1;
    }
    n.innerHTML=('<img  src= "'+i+ '.jpg " />');
    t=setTimeout('a()',1000);
}
</script>
</head>
</style><body   onload= "a()">
<div   id= "show "   style= "width:375;   height:450;   margin:0   auto; "> </div>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf8" />
<title>无标题文档</title>
<script  type="text/javascript">
var   i=0;
function a()
{
var n=document.getElementById( 'show ');
i++;
if(i>=15){
i=1;
}
n.innerHTML=('<img   src= "test/ '+i+ '.jpg "/>');//这个路径1楼得没给你改过来呵呵
t=setTimeout('a()',1000);
}
</script>
</head>
</style>
<body   onload= "a()">
<div   id= "show "   style= "width:375;   height:450;   margin:0   auto; "> </div>
</body>
</html>
http://www.google.com.hk/search?client=aff-cs-360se&forid=1&ie=utf-8&oe=UTF-8&q=site%3Amayixueyuan%2Ecom+%E5%B9%BB%E7%81%AF幻灯实例，自己看。
别乱用document.write()...
n.innerHTML= ' <img   src= "test/ '+i+ '.jpg "   /> ';