[Admin]

The page itself is very easy, you don't need help with that (or do you?).

I can help you with the poping the page if the user isn't loggedin though:
In global.php add

PHP Code:

if ($bbuserinfo['userid']==0) {
  eval("\$headexpressreg = \"".gettemplate('head_expressreg')."\";");
} 


right after

PHP Code:

  $newpmmsg=1;
  eval("\$headnewpm = \"".gettemplate('head_newpm')."\";");
} 


now create a new template, head_newpm, and put this in it:

<script language="javascript"><!-- 
window.open('http://www.yoursite.com/forum/file.php');
// --></script>

This will pop file.php up.