Flash效果的网站后台左侧Js多级展开菜单代码

代码简介：
这款形式的菜单对于站长来说再熟悉不过了，说不定我们每天都会见到它，而且也在使用它，我们都知道后台左侧的Js菜单，一般都是可多级展开的，就像这款菜单一样，简洁美观，如果你是一位网站程序开发者的话，完全可以可以用这款菜单作为你的后台管理控制菜单。
代码内容：
<html>
<head>
<titile>Flash效果的网站后台左侧Js多级展开菜单代码_网页代码站(www.webdm.cn)</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type=text/css>
body  { background:#799AE1; margin:0px; font:normal 12px 宋体; }
table  { border:0px; }
td  { font:normal 12px; }
img  { vertical-align:bottom; border:0px; }
a  { font:normal 12px 宋体; color:#215DC6; text-decoration:none; }
a:hover  { color:#428EFF }
.sec_menu  { border-left:1px solid white; border-right:1px solid white; border-bottom:1px solid white; 

overflow:hidden; background:#D6DFF7; }
.menu_title  { }
.menu_title span  { position:relative; top:2px; left:8px; color:#215DC6; font-weight:bold; }
.menu_title2  { }
.menu_title2 span  { position:relative; top:2px; left:8px; color:#428EFF; font-weight:bold; }
</style>
<script language=javascript>
function menuShow(obj,maxh,obj2)
{
  if(obj.style.pixelHeight<maxh)
  {
    obj.style.pixelHeight+=maxh/20;
    obj.filters.alpha.opacity+=5;
    obj2.background="";
    if(obj.style.pixelHeight==maxh/10)
      obj.style.display='block';
    myObj=obj;
    myMaxh=maxh;
    myObj2=obj2;
    setTimeout('menuShow(myObj,myMaxh,myObj2)','5');
  }
}
function menuHide(obj,maxh,obj2)
{
  if(obj.style.pixelHeight>0)
  {
    if(obj.style.pixelHeight==maxh/20)
      obj.style.display='none';
    obj.style.pixelHeight-=maxh/20;
    obj.filters.alpha.opacity-=5;
    obj2.background="";
    myObj=obj;
    myMaxh=maxh
    myObj2=obj2;
    setTimeout('menuHide(myObj,myMaxh,myObj2)','5');
  }
  else
    if(whichContinue)
      whichContinue.click();
}
function menuChange(obj,maxh,obj2)
{
  if(obj.style.pixelHeight)
  {
    menuHide(obj,maxh,obj2);
    whichOpen='';
    whichcontinue='';
  }
  else
    if(whichOpen)
    {
      whichContinue=obj2;
      whichOpen.click();
    }
    else
    {
      menuShow(obj,maxh,obj2);
      whichOpen=obj2;
      whichContinue='';
    }
}
</script>
<base target=main>
</head>
<body onselectstart="return false;" ondragstart="return false;" oncontextmenu="return false;">
 
<table cellpadding=0 cellspacing=0 width=142 align=center>
  <tr style="cursor:hand;">
    <td height=25 class=menu_title onmouseover=this.className='menu_title2'; 

onmouseout=this.className='menu_title';  id=menuTitle1 onclick="menuChange(menu1,80,menuTitle1);">
      <span>系统选项</span>
    </td>
  </tr>
  <tr>
    <td>
      <div class=sec_menu style="158px;height:80px;filter:alpha(Opacity=100);overflow:hidden;" id=menu1>
        <table cellpadding=0 cellspacing=0 align=center width=135 style="position:relative;top:10px;">
          <tr>
            <td height=20>
              <a href=/ onfocus=this.blur();><img src=http://www.webdm.cn/images/20090920/dots.gif>
              安全选项</a>
            </td>
          </tr>
          <tr>
            <td height=20>
              <a href=http://codefans.net onfocus=this.blur();><img 

src=http://www.webdm.cn/images/20090920/dots.gif>
              垃圾邮件选项</a>
            </td>
          </tr>
          <tr>
            <td height=20>
              <a href=http://webdm.cn onfocus=this.blur();><img 

src=http://www.webdm.cn/images/20090920/dots.gif>
              动态规则选项</a>
            </td>
          </tr>
        </table>
      </div>
    </td>
  </tr>
</table>
<script language=javascript>
  var whichOpen=menuTitle1;
  var whichContinue='';
</script>
 
<table cellpadding=0 cellspacing=0 width=158 align=center>
  <tr style="cursor:hand;">
    <td height=25 class=menu_title onmouseover=this.className='menu_title2'; 

onmouseout=this.className='menu_title';  id=menuTitle2 onclick="menuChange(menu2,120,menuTitle2);">
      <span>系统规则</span>
    </td>
  </tr>
  <tr>
    <td>
      <div class=sec_menu style="158;height:0;filter:alpha(Opacity=0);display:none;" id=menu2>
        <table cellpadding=0 cellspacing=0 align=center width=135 style="position:relative;top:10px;">
          <tr>
            <td height=20>
              <a href=http://webdm.cn onfocus=this.blur();><img 

src=http://www.webdm.cn/images/20090920/dots.gif>
              IP过滤规则</a>
            </td>
          </tr>
          <tr>
            <td height=20>
              <a href=http://webdm.cn onfocus=this.blur();><img 

src=http://www.webdm.cn/images/20090920/dots.gif>
              信封过滤规则</a>
            </td>
          </tr>
         </table>
      </div>
    </td>
  </tr>
</table>
 
<table cellpadding=0 cellspacing=0 width=158 align=center>
  <tr style="cursor:hand;">
    <td height=25 class=menu_title onmouseover=this.className='menu_title2'; 

onmouseout=this.className='menu_title';  id=menuTitle3 onclick="menuChange(menu3,120,menuTitle3);">
      <span>系统管理</span>
    </td>
  </tr>
  <tr>
    <td>
      <div class=sec_menu style="158;height:0;filter:alpha(Opacity=0);display:none;" id=menu3>
        <table cellpadding=0 cellspacing=0 align=center width=135 style="position:relative;top:10px;">
          <tr>
            <td height=20>
              <a href=http://webdm.cn onfocus=this.blur();><img 

src=http://www.webdm.cn/images/20090920/dots.gif>
              用户管理</a>
            </td>
          </tr>
          <tr>
            <td height=20>
              <a href=http://webdm.cn onfocus=this.blur();><img 

src=http://www.webdm.cn/images/20090920/dots.gif>
              进程管理</a>
            </td>
          </tr>
          <tr>
            <td height=20>
              <a href=http://webdm.cn onfocus=this.blur();><img 

src=http://www.webdm.cn/images/20090920/dots.gif>
              主机状态</a>
            </td>
          </tr>
        </table>
      </div>
    </td>
  </tr>
</table>
 
<table cellpadding=0 cellspacing=0 width=158 align=center>
  <tr style="cursor:hand;">
    <td height=25 class=menu_title onmouseover=this.className='menu_title2'; 

onmouseout=this.className='menu_title'; id=menuTitle4 onclick="menuChange(menu4,140,menuTitle4);">
      <span>系统统计</span>
    </td>
  </tr>
  <tr>
    <td>
      <div class=sec_menu style="158;height:0;filter:alpha(Opacity=0);display:none;" id=menu4>
        <table cellpadding=0 cellspacing=0 align=center width=135 style="position:relative;top:10px;">
         <tr>
            <td height=20>
              <a href=http://webdm.cn onfocus=this.blur();><img 

src=http://www.webdm.cn/images/20090920/dots.gif>
              信头过滤统计</a>
            </td>
          </tr>
          <tr>
            <td height=20>
              <a href=http://webdm.cn onfocus=this.blur();><img 

src=http://www.webdm.cn/images/20090920/dots.gif>
              信体过滤统计</a>
            </td>
          </tr>
          <tr>
            <td height=20>
              <a href=http://webdm.cn onfocus=this.blur();><img 

src=http://www.webdm.cn/images/20090920/dots.gif>
              附件过滤统计</a>
            </td>
          </tr>
          <tr>
            <td height=20>
              <a href=http://webdm.cn onfocus=this.blur();><img 

src=http://www.webdm.cn/images/20090920/dots.gif>
              动态规则统计</a>
            </td>
          </tr>
        </table>
      </div>
    </td>
  </tr>
</table>
<table cellpadding=0 cellspacing=0 width=158 align=center>
  <tr style="cursor:hand;">
    <td height=25 class=menu_title onmouseover=this.className='menu_title2'; 

onmouseout=this.className='menu_title';>
      <span>退出系统</span>
    </td>
  </tr>
</table>
</body>
</html>
<br>
<p><a href="http://www.webdm.cn">网页代码站</a> - 最专业的代码下载网站 - 致力为中国站长提供有质量的代码！</p>
代码来自：http://www.webdm.cn/webcode/c43b98aa-baa0-4213-ada3-e979b4fdf84a.html
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原文地址：https://www.cnblogs.com/webdm/p/1992236.html