jquery 动态表单， 接收页面接收不到请问什么问题？

录入页面代码：
<!DOCTYPE html>
<!--#include file=cade.asp -->

<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=9" />


<link href="css/first.css" rel="stylesheet" type="text/css">
<link href='css/cityquery.css' rel="stylesheet" type="text/css" />

<!--[if lt IE 11]>
<script src="js/jquery-1.7.2.js"></script>
<![endif]-->
<!--[if gte IE 11]><!-->
<script src="js/jquery-2.1.1.js"><</script>
<!--<![endif]-->

<script language="javascript" >// （动态增加、删除行----孙智勇----2015.05.20） Example: obj = findObj("image1");

function AddxcRow(){

var rowID = $("#txtTRLastIndex").val();
//alert("ok");

xchangstr = "";//定义新的行程串
xchangstr ="<input id='ldcs' name='ldcs' size='10' >";

//alert("MM"+xchangstr);

$("#aaa").append(xchangstr);//添加行程行
}

function Checkxc(){
$("#addydxc1").submit();
}
</script>





</head>

<body style="background-color: #FFFFFF">
<p align="center">
<br><b><font size="7">行 程 录 入</font></b><br><br>
</p>
<table align="center" width="1300">
<tr><form name="addydxc1" id="addydxc1" method="post" action="szytestsave.asp" protection="All">
<td align="left" valign="top" width="940">

<table align="center" width="940">
<tr>
<td><img src="pic/mnuDocument.gif" width="16" height="16">新增行程</td>
<td width="453" ><p align="right"><input type="button" name="addxc" value="添加行程" onclick="javascript:AddxcRow();" /><input type="button" name="qing" value="删除" onclick="sc();" /></td>
</tr>
</table>
<table width="940" border="0" align="center" style="BORDER-LEFT: #d3d3d3 1px solid;BORDER-bottom: #d3d3d3 1px solid" cellpadding="0" cellspacing="0" id="SignFrame">
<tr >
<td align="center" style="BORDER-RIGHT: #d3d3d3 1px solid;BORDER-BOTTOM: #d3d3d3 1px solid" background="pic/bj01.gif">起飞城市</td>
</tr>
<tr >
<td id="aaa" align="center" style="BORDER-RIGHT: #d3d3d3 1px solid;BORDER-BOTTOM: #d3d3d3 1px solid" background="pic/bj01.gif">
<input id='qfcs' name="qfcs" size="10" >
</td>
</tr>
</table>
<input type="button" value="保 存" name="addydxc" onClick="javascript:Checkxc()"><input type='button' value='关闭' onclick='window.close()'><input name='txtTRLastIndex' type='hidden' id='txtTRLastIndex' value="1" />
</form>
</body>
</html>

接收页面代码：
<!doctype html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
<%
response.write "qfcs=" & request.form("qfcs") & "<br>"
response.write "ldcs=" & request.form("ldcs") & "<br>"

%>
</body>

输入后不能接收到：
下面是接收页面结果：qfcs=aaa
ldcs=

IE9运行没有问题，在firefox下面不行。IE11下面也不行