<body>
      页面代码：
<div id="menu1" onclick="TreeMenu(this,'child1')">
   <img src="plus.gif" ><a href="#">菜单1</a>
</div>
   <div id="child1" style="display:none">
       <a href="#">页面1</a><br>
       <a href="#">页面2</a>
   </div>
<div id="menu2" onclick="TreeMenu(this,'child2')">
   <img src="plus.gif"><a href="#">菜单2</a>
</div>
   <div id="child2" style="display:none">
        <a href="#">页面1</a><br>
        <a href="#">页面2</a>
   </div>
<script language=javascript>
function TreeMenu(node,id)
{
var sibling = document.getElementById(id);

if (sibling.style.display == 'none')
{
if (node.childNodes.length > 0)
{
   if (node.childNodes[0].tagName == "IMG")
   {
    node.childNodes[0].src = "minus.gif"; //替换为展开时的图片
   }
}

sibling.style.display = '';
}
else
{
if (node.childNodes.length > 0)
{
   if (node.childNodes[0].tagName == "IMG")
   {
    node.childNodes[0].src = "plus.gif"; //替换为
   }
}
sibling.style.display = 'none';
}
}
</script>
</body>

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>新建网页 3</title>
</head>
<body>
<script language="javascript">
document.body.oncopy = function ()   //当发生复制事件时触发函数,不管是ctrl+c还是右键-复制
{  
     setTimeout(  
         function ()  
         {  
             var text = clipboardData.getData("text");  
             if (text)  
             {  
                 text = text + "\r\n该文章转载自blog："+location.href;  
                 clipboardData.setData("text", text);  
             }  
         },  
         100  
     )  
}  
window.onload = function()  
{  
     this.focus();    //内容加载完成后,获取焦点
}
</script>
sdfsdfsdf
</body>
</html>

从今天开始，开始我的PHP记录之旅！