Non appena clicco sul radio button che invia la action si apre una nuova finestra del browser ma non una pop up con le dimensioni definite. Ti psoto il codice!

<HTML>
<HEAD>
<TITLE>Lista sim i-mode</TITLE>
<link rel="stylesheet" href="/it/style.css" type="text/css">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</HEAD>
<BODY leftmargin="20" bgcolor="#99CCFF" topmargin="5" link="#000066">
<table width="620" border="0" cellspacing="0" bgcolor="#000000">
<tr bgcolor="#000000">
<td>
<table width="620" border="0" cellspacing="0" cellpadding="7" bgcolor="#FFFFFF">
<tr>
<td bgcolor="#FFCC00" class="BluBold">Lista Sim i-mode™</td>
</tr>
<tr>
<td bgcolor="#FFF6D9"><form action="/4DACTION/WBmain/IT/autenticazione.imode.dettaglio" method="post" name="dettaglio" target="miaPop" onsubmit="window.open('', 'miaPop', 'width=400,height=300');" id="dettagli">
<table width=100% border=1 align="center" cellpadding="1" cellspacing="1" bgcolor="#FFCC00">
<tr>
<td width="10%"> <div align="center" class="BluBold">Numero

proposta </div></td>
<td width="12%"> <div align="center" class="BluBold">Codice

Ordine</div></td>
<td width="21%"><div align="center" class="BluBold">


Sponsor</p>
<span class="Nero9Pt"></span></div></td>
<td width="30%"> <div align="center" class="BluBold"> Cliente</div></td>
<td width="16%"> <div align="center" class="BluBold"> Seriale
SIM</div></td>
<td width="11%"> <div align="center" class="BluBold">Dettaglio</div></td>
</tr>

<tr bgcolor="#FFFFFF">
<td width="10%"> <div align="center" class="BluBold">

</div></td>
<td width="12%"> <div align="center" class="var4D">

</div></td>
<td width="21%" valign="middle" class="NeroBold10Pt">
<div align="center">
</div></td>
<td width="30%" valign="middle" class="Nero10Pt">

</td>
<td width="16%" valign="middle" class="NeroBold10Pt">

</td>
<td width="11%" valign="middle"> <div align="center">

<input type=radio name=dettaglio value="" onClick="this.form.submit()">
<input type=hidden name=userservice value="">
<input type=hidden name=v_cod_ordine{V_lista_sim} value="">

</div></td>
</tr>

</table>
</form>
<span class="Nero10Pt">Totale righe:</span><span class="var4D">

</span></td>
</tr>
<tr>
<td bgcolor="#FFF6D9">
<input type=button name=Button value="Torna indietro" onClick="history.go(-1)">
</td>
</tr>
</table>
</td>
</tr>
</table>
</BODY>
</HTML>