Form help

I have a html form and would like on submit for it to open an iframe with the posted link info.

[CODE] <form action=”http://default_login.asp” method=”post” name=”form1″>

<div align=”center”>
<table width=”388″ height=”488″ border=”0″ align=”center” class=”tablebk1″>
<tr>
<td><p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<table width=”234″ height=”289″ border=”0″ align=”center” class=”table” style=”height: 152px; “>
<tbody>
<tr>
<td colspan=”2″ class=”clienttext”><div align=”center” class=”logintext”>Client Login</div></td>
</tr>
<tr>
<td colspan=”2″ class=”text”> Username</td>
</tr>
<tr>
<td colspan=”2″ class=”mceVisualAid”><input size=”17″ id=”username” class=”form” name=”username” type=”text” /></td>
</tr>
<tr>
<td colspan=”2″ class=”text”>Password</td>
</tr>
<tr>
<td colspan=”2″ class=”mceVisualAid”>
<input size=”17″ id=”password” class=”form” name=”password” type=”password” /></td>
</tr>
<tr>
<td width=”72″ class=”mceVisualAid”>&nbsp;</td>
<td width=”261″ class=”mceVisualAid”><div align=”right”>
<input value=”http://client-login” name=”redirecturl” type=”hidden” />
<input name=”Submit” type=”image” class=”signin” value=”Submit” src=”signin-2.png” mce_src=”images/signin-2.png” />
</div></td>
</tr>
</tbody>
</table>
<div align=”center”><span class=”reg”><a href=”http://” target=”_self” class=”reg”>Register New Account</a></span><br />
</div></td>
</tr>
</table>
</div>
</form>[/CODE]

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