that's by design. you can show the menu if you wish by editing line line 2 and 3 of the confirm.php page:
$blockMainMenu = true;
$blockSideMenu = true;
//$blockMainMenu = true;
//$blockSideMenu = true;
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.