晚上好：你可以帮我调试一个jsp程序吗?谢谢

<html>
<head>
<title>
下拉列表关联
</title>
<meta http-equiv="content_type";content="text/html";charset="gb2312">
<meta name="aenweater"; content="editplus">
</head>
<script language="javascript">
 <!--
     var types="家电,服饰,家具,日用";
     var sub_types_str="电视机,洗衣机,电冰箱,空调/外套,衬衣,大衣,裤子/外套,衬衣,大衣,裤子/清洁,洗发,纸品,橱具";
   
 var types_ids_str="0,1,2,3";
 var subtype_ids_str="001,002,003,004/101,102,103,104/201,202,203,204/301,302,303,304";
  var the_split1=",";
  var the_split2="/";
  var goods_types=types.split(the_split1);
  var type_ids=type_ids_str.split(the_split1);
  var sub_types=sub_types_str.split(the_split2);
  var subtypes_ids=subtype_ids_str.split(the_split2);
     function select( )
       { 
         with(document.goods.gtype)
       {
        var type_sel=options[selectedindex].text;
         }      
    for(var i=0;i<goods_types.length;i++)
        {
          if(goods_types[i]==type_sel)
     { 
       var now_subtypes=sub_types[i].split(the_split);
       var now_subtype_ids=subtypes_ids[i].split(the_split);             
    document.goods.gsub_type.options.length=0;
    document.goods.gsub_type.options.length=now_subtypes.length;
    with(document.all.goods.gsub_type)
      {  for(var j=0;j<now_subtypes.length;j++)
            {
                 option[j].text=now_subtypes[j]
                 option[j].value=now_subtype_ids[j];
        }
}
    break;
 }
}
           }
   function initial_select()
      {
        document.goods.gtype.length=goods_types.length;
         with(document.goods.gtype)
       {
          for(var i=0;i<goods_types.length;i++)
  { option[i].text=goods_types[i];
    option[i].value=type_ids[i];
  
   }
    options[selectedindex].text=goods_types[0];
      options[selectedindex].value=type_ids[0];
  }      
  var now_subtypes2=sub_types[0].split(the_split1);
    var now_subtype_ids2=subtypes_ids[0].split(the_split1);
   document.goods.gsub_type.options.length=now_subtypes2.length;
   with(document.goods.gsub_type)
   {
     for(var j=0;j<now_subtypes2.length;j++)
          { options[j].text=now_subtypes2[j];
           options[j].value=now_subtype_ids2[j];
 
}
//-->
  </script>
   <body>
   <form name="goods">
   <select name="gtype" onchange="select()"type="text" type="width:100">
 </select>
  <select type="text"name="gsub_type" type="width:100">
 </select></form>
<script language="javascript">
  <!--
  initial_select();
   // -->
   </script>
</body>
</html>