Ciao Andrea,
a prescindere dal banale contenuto delle pagine che mi servono come esempio per un certo tipo di lavoro, di seguito trovi il sorgente:

response.htm (sempre aperta)
**********************
<html>
<body>
<div align="center">
<center><form name="form1">
<table overflow: hidden; border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="70%" id="AutoNumber1">
<tr>
<td align="center">44444</td>
<td align="center">55555</td>
</tr>
</table></form>
</center>
</div>
</body>
</html>

test.htm
*******
<html>
<body>
<div align="center">
<center><form name="form1">
<table overflow: hidden; border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="70%" id="AutoNumber1">
<tr>
<td align="center"><textarea rows="2" id="des1" name="des1" cols="30"
style="overflow:visible;">aa</textarea></td>
<td align="center"><textarea rows="2" id="des3" name="des3" cols="35"
style="overflow:visible;">bb</textarea></td>
</tr>
<tr>
<td align="center">3</td>
<td align="center">4</td>
</tr>
</table></form>
</center>
</div>
<script>
window.opener=self
alert("Message Well Received!");

//window.opener.location.href='response.htm';
//window.opener.location.reload(true)
//window.location="response.htm";

window.close()
</script>
</body>
</html>