<script>
function Close1(){
var obj =document.getElementById("Slider").getElementsByTagName("div")
obj[2].style.display=(obj[2].style.display=="none"?"":"none")
}
</script>
<div id="Slider">
<div id="Menu0">
<div class="Header">
<span>系统任务 </span>
<img name="headerimg" src="image/xpcollapse1_s.gif" alt="" onclick="Close1()" />
</div>
<div class="Content">
<ul>
<li> <a href="#" id="SysInfo"> <span>查看系统信息 </span> </a> </li>
<li> <a href="#" id="SysUninstall"> <span>添加/删除程序 </span> </a> </li>
<li> <a href="#" id="SysControl"> <span>更改一个设置 </span> </a> </li>
</ul>
</div>
</div>
没改变html的部分 但是你结尾的地方确实是掉了个</div> 不信你数数
function Close1(){
var obj =document.getElementById("Slider").getElementsByTagName("div")
obj[2].style.display=(obj[2].style.display=="none"?"":"none")
}
</script>
<div id="Slider">
<div id="Menu0">
<div class="Header">
<span>系统任务 </span>
<img name="headerimg" src="image/xpcollapse1_s.gif" alt="" onclick="Close1()" />
</div>
<div class="Content">
<ul>
<li> <a href="#" id="SysInfo"> <span>查看系统信息 </span> </a> </li>
<li> <a href="#" id="SysUninstall"> <span>添加/删除程序 </span> </a> </li>
<li> <a href="#" id="SysControl"> <span>更改一个设置 </span> </a> </li>
</ul>
</div>
</div>
没改变html的部分 但是你结尾的地方确实是掉了个</div> 不信你数数
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<script>
function Close1()
{
var divArr=window.event.srcElement.parentElement.parentElement.getElementsByTagName("div")
; divArr[1].style.display=(divArr[1].style.display=="none"?"":"none");
}
</script>
</HEAD> <BODY>
<div id="Slider">
<div id="Menu0">
<div class="Header">
<span>系统任务 </span>
<img name="headerimg" src="image/xpcollapse1_s.gif" alt="" onclick="Close1()" />
</div>
<div class="Content" id="aaa">
<ul>
<li> <a href="#" id="SysInfo"> <span>查看系统信息 </span> </a> </li>
<li> <a href="#" id="SysUninstall"> <span>添加/删除程序 </span> </a> </li>
<li> <a href="#" id="SysControl"> <span>更改一个设置 </span> </a> </li>
</ul>
</div>
</div>
</div>
</BODY>
</HTML>