js 子窗体传值到父窗体

<title>父窗体</title>
<script language="javascript" type="text/javascript">
function OpenWindow(){
    window.open ("s.aspx", "newwindow", "height=400, width=400,top=200,left=600,toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, status=no" )
}
function setValue(m_strValue){
    document.getElementById("txt_Value").value = m_strValue;
    document.getElementById("Label1").innerText=m_strValue;
}
</script>
</head>

<body>
<form id="form1" name="form1" method="post" action="" runat="server">
  <label>
  <input type="text" name="txt_Value" id="txt_Value" runat=server />
  </label>
  <label>
  <input type="button" name="btn_ShowClose" id="btn_ShowClose" value="打开子窗口" onclick="OpenWindow();" />
  </label>
  <br />
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
</form>
</body>
</html>

<title>子窗体</title>
<script language="javascript" type="text/javascript" >
function CloseWind(){
     opener.setValue(document.getElementById("Button1").value);
   // window.close();
}
</script>
</head>

<body>
<form id="form1" name="form1" method="post" action="" runat=server>
  <label>要传到父窗体的值:<input type="text" name="btn_Close" id="Button1" value=""   />
  <input type="button" name="btn_Close" id="btn_Close" value="传值到父窗口" onclick="CloseWind();" />
  </label>

</form>
</body>
</html>

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