怎么在第二个网页中获取第一个网页上的  第二个列表里面的option的值？

第一个网页  怎么在第二个网页中获取第一个网页上的  第二个列表里面的option的值？
<script language="javascript" src="checkInfo.js" type="text/javascript"></script>
</head>
<script language="javascript" type="text/javascript">
var onecount2;
onecount2=0;
subcat2 = new Array();
subcat2[0] = new Array("请选择单位名称","1","7");
subcat2[1] = new Array("库车青松水泥厂","1","2");
subcat2[2] = new Array("新型干法水泥厂","1","3");
subcat2[3] = new Array("克州青松水泥厂","1","4");
subcat2[4] = new Array("和田青松水泥厂","1","5");
subcat2[5] = new Array("全部青松水泥厂","1","6");
subcat2[6] = new Array("请选择部门名称","2","499");
subcat2[7] = new Array("财务科","2","2");
subcat2[8] = new Array("综合办","2","3");
subcat2[9] = new Array("生产科","2","4");
subcat2[10] = new Array("化验室","2","5");
subcat2[11] = new Array("设备科","2","6");
subcat2[12] = new Array("烧成车间","2","7");
subcat2[13] = new Array("电力车间","2","8");
subcat2[14] = new Array("维修车间","2","9");
subcat2[15] = new Array("水泥车间","2","10");
subcat2[16] = new Array("包装车间","2","11");
subcat2[17] = new Array("请选择职位名称","3","499");
subcat2[18] = new Array("厂长","3","2");
subcat2[19] = new Array("书记","3","3");
subcat2[20] = new Array("科长","3","4");
subcat2[21] = new Array("主任","3","5");
subcat2[22] = new Array("职工","3","6");
subcat2[23] = new Array("所有信息","5","499");
onecount2=922;
function changelocation(locationid)
    {
    document.regForm.stRegTableId.length = 0;
    var locationid=locationid;
    var i;
    for (i=0;i < onecount2; i++)
        {
            if (subcat2[1] == locationid)
            {
                document.regForm.stRegTableId.options[document.regForm.stRegTableId.length] = new Option(subcat2[0], subcat2[2]);
            }
        }
 }
</script>
   <form action="dhcz.php" method="post" name="regForm" id="regForm" target="_self" onSubmit="return chRegForm()">
      <select name="stTypeId" id="stTypeId" onChange="changelocation(document.regForm.stTypeId.options[document.regForm.stTypeId.selectedIndex].value)">
         <option selected>选择查找类型</option>
         <option value="1">单  位</option>
         <option value="2">部  门</option>
         <option value="3">职  业</option>
         <option value="4">姓    名</option>
         <option value="5">全    部</option>
                  </select>
    <select name="stRegTableId" id="stRegTableId">
        <option>请选择名称</option>
          </select>
  <input type="button" name="submit" value="查 找"/>
    </form>

？？提交？？？到dhcz.php这个页面？？？！？？！？！？

是的