Hello, I hope y'all cdan help me. 

I need to have a page on a DNN4.3.5 site programmatically post some form data to another website (not one of ours).

The idea is that the user is already logged into DNN, so we look up who they are, then check a table for the user name and password for the outside site.  We take that information and POST it to the other sites login procesing script.

The I need to display the response of the other site in a pane in DNN.

I have already created a 'proof of concept' html file for posting data to their server, it works:

<form METHOD=Post Name="loginscreen" Action="http://someserver.com/login.asp">
<TABLE><TR><TD colspan=3>&nbsp;</TD></TR>

<TR><TD colspan=3>Enter your login and password:  </TD>  </TR> 
 
<TR> <TD>Logon:</TD>  <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD><INPUT TYPE=TextName=useremail></TD> </TR> 
 
<TR> <TD>Password:</TD> <TD>&nbsp;</TD> <TD><INPUT TYPE=PasswordName=userpassword</TD></TR>   
  
 <TR> <TD colspan=3 align=right>
      <INPUT TYPE=submit Name=Ok Value="OK">
      <INPUT TYPE=Button Name=Cancel Value="Cancel"> 
 </TD>
 </TR> </TABLE> </form>

When I load that page in a browser, enter appropriate username and password, it goes to the site, posts, and I get a message on my browser saying I am logged in. 

Then a javascript pops open a new window containing the web applciation I've logged into.

Any ideas on how I can replicate all this behavior in DotNetNuke?

Thanks A Lot