every page you use a session variable on MUST start with the opening session_start(); just inside the <?php tag
If you send me a pm, I can take care of it for you today. Should be fairly straight forward and I can bang it out for you today.
In cases like this, this is what I do... I use my trusty Firebug, and modify the action="xxxx.xxx" to point to a path on my server that just...
Unless it's a typo here... this: \$cfg['FRaqars_db_Host'] = "$n_servr"; // your database hostname needs to be: \\$cfg['FRaqars_db_Host'] =...
Separate names with a comma.