关于二级联动菜单赋值的问题


<%@ page contentType="text/html; charset=GBK" %><html>
<head>
  <title></title>
  <link rel="stylesheet" type="text/css" href="/claim/css/Standard.css"></head>
<script type="text/javascript">
    
    //联动函数
    function redirec(x)
       {
            //获取一级菜单长度
             var yuyan_len = document.fm.yuyan.options.length;
             var selectUploadtype = new Array(yuyan_len);
            //把一级菜单都设为数组
            for (i=0; i<yuyan_len; i++)
                {
                    selectUploadtype[i] = new Array();
                 }
             //定义基本选项
              selectUploadtype[1][0] = new Option("请选择", "0");
            selectUploadtype[1][1] = new Option("JAVA","10");
            selectUploadtype[1][2] = new Option("VB "12");
            selectUploadtype[1][3] = new Option("c++","13");
                        selectUploadtype[2][0] = new Option("请选择", "0");
            selectUploadtype[2][1] = new Option("ORACLE", "20");
            selectUploadtype[2][2] = new Option("DB2", "21");
            selectUploadtype[2][3] = new Option("SQL", "22");
         
          var temp = document.fm.zhonglei; 
          for (i=0;i<selectUploadtype[x].length;i++)
             {
               temp.options[i]=new Option(selectUploadtype[x][i].text,selectUploadtype[x][i].value);
             }
          temp.options[0].selected=true;
        }
        </script>
<body>
<form name="fm" method="post" action/chaxun.do">
    <table  cellpadding="3" cellspacing="0"  class="common">
    <tr><td colspan="4" class="formtitle">平台数据查询</td></tr>
     <tr>
       <td class='title' >种类：</td>
        <td class='input' >
            <select name="yuyan" onChange="redirec(document.fm.yuyan.options.selectedIndex)">
                  <option value="0" <%=("0".equals(riskcode))?"selected":"" %>>请选择</option>
                  <option value="1" <%=("1".equals(riskcode))?"selected":"" %>>JAVA语言</option>
                  <option value="2" <%=("2".equals(riskcode))?"selected":"" %>>数据库</option>
                    </select>
             <font color="red">*(必须选择)</font>
        </td>
        <td class='title' >细节：</td>
        <td class='input' >
           <select name="zhonglei" onChange="alert(this.value)" >
               <option value="0" selected>请选择</option>
           </select>
           <font color="red">*(必须选择)</font>
        </td>
     </tr>
      <tr>
           <td colspan="4" class=button><input type="button" class=button value="查询" onClick="return checkForm();"></td>
       </tr>
   </table>
      </form>
   </body>
</html>如果我选择了种类和细节，点击查询的时候，想在下个页面显示同样的选择信息，在细节那栏怎么赋值@@@