我就是想要实现不同的用户登陆,二级联动菜单中只显示与它相关的信息,无关的不显示,不知道我说的是否清楚?
<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!--#include file="conn_fj16.asp" -->
<!--#include file="admin_qx.asp" -->
<% issjcz %>
<html>   
  <head>   
  <title>奶牛数量</title>   
   <style>   
  body,select   
  {   
  font-size:9pt;   
  font-family:Verdana;   
  }   
  a   
  {   
  color:red;   
  text-decoration:none;   
  }   
  a:hover{   
  text-decoration:underline;   
  }   
  .style5 {color: #000000}
  .STYLE6 {
    font-size: 12pt;
    font-weight: bold;
}
  body {
    background-color: #d6dff7;
}
</style> 
  <body>
 <%xiangzhen=session("xiangzhen") %>
 <form id="form1" name="form1" method="post" action="nainiushuliang_add_save.asp">
  <SCRIPT   LANGUAGE="JavaScript">  
   <!--   
  function   Dsy()   
  {   
  this.Items   =   {};   
  }   
  Dsy.prototype.add   =   function(id,iArray)   
  {   
  this.Items[id]   =   iArray;   
  }   
  Dsy.prototype.Exists   =   function(id)   
  {   
  if(typeof(this.Items[id])   ==   "undefined")   return   false;   
  return   true;   
  }   
    
  function   change(v){   
  var   str="0";   
  for(i=0;i<v;i++){   str+=("_"+(document.getElementById(s[i]).selectedIndex-1));};   
  var   ss=document.getElementById(s[v]);   
  with(ss){   
  length   =   0;   
  options[0]=new   Option(opt0[v],opt0[v]);   
  if(v   &&   document.getElementById(s[v-1]).selectedIndex>0   ||   !v)   
  {   
  if(dsy.Exists(str)){   
  ar   =   dsy.Items[str];   
  for(i=0;i<ar.length;i++)options[length]=new   Option(ar[i],ar[i]);   
  if(v)options[1].selected   =   true;   
  }   
  }   
  if(++v<s.length){change(v);}   
  }   
  }   
    
  var   dsy   =   new   Dsy();
  a="安徽",b="北京",c="福建",d="甘肃";
  a1="安庆",a2="蚌埠"
  b1="北京" 
 if (a=xiangzhen)
   {b="";c="";d="";
   }
    
  dsy.add("0",["a","b","c","d"]);   
    
  dsy.add("0_0",["a1","a2",]);   
 
  dsy.add("0_1",["b1"]);   
  
     
    
  //-->   
  </SCRIPT>   
  <SCRIPT   LANGUAGE   =   JavaScript>   
  <!--   
  //**   Power   by   Fason(2004-3-11)   
  //**   Email:fason_pfx@   
    
  var   s=["s1","s2","s3"];   
  var   opt0   =   [" "," "];   
  function   setup()   
  {   
  for(i=0;i<s.length-1;i++)   
  document.getElementById(s[i]).onchange=new   Function("change("+(i+1)+")");   
  change(0);   
  }   
  //-->   
  </SCRIPT>   
  </head>   
  <body   bgcolor="#E0E0E0"   onload="setup()">
  <form   name="frm">   
    <p> </p>
    <table width="884" border="0" cellpadding="2" cellspacing="2" bordercolor="#F3F3F3">
      <!--DWLayoutTable-->
      <tr>
        <td height="44" colspan="2" align="right" valign="bottom" bordercolor="#999999"><div align="center" class="STYLE6">乡镇办场奶牛数量统计表</div></td>
      </tr>
      <tr>
        <td height="45" align="right" valign="bottom" bordercolor="#999999">日期:</td>
        <td width="455" align="left" valign="bottom" bordercolor="#999999"><span class="time style5">
          <select name="byear" size="1" class="put" id="select14">
            <option value=""> </option>
            <%for i=year(date) to 2050 step 1%>
            <option value="<%=i%>"><%=i%></option>
            <%next%>
          </select>
          年
          <select name="bmonth" size="1" class="put" id="select15">
            <option value=""> </option>
            <%for i=1 to 12%>
            <option value="<%=i%>"><%=i%></option>
            <%next%>
          </select>
        月</span></td>
      </tr>
      <tr>
        <td width="415" height="45" align="right" valign="bottom" bordercolor="#999999">地点:</td>
        <td align="left" valign="bottom" bordercolor="#999999"><select name="xiangzhen" size="1"   id="s1">
          </select>
          <span class="time style5">
          <select name="cun" size="1"   id="s2">
          </select>
          </span></td>
      </tr>
      <tr>
        <td height="45" align="right" valign="bottom" bordercolor="#999999">奶牛头数:</td>
        <td align="left" valign="bottom" bordercolor="#999999"><input name="shuliang" type="text" id="shuliang" size="15">
          头</td>
      </tr>
    </table>
    <p align="center"> </p>
    <p align="center">
      <input type="submit" name="Submit" value="添加记录" style="width:120;background-color: #FFCC66; color: #000000; border: 1 solid #000000" />
    </p>
  </form>   
  </body>   
  </html>