Not a fan of the tables.
Why are you putting a single <div> inside of the table cells?
You have a few typo's.
You have a few broken links, like to firefox.
You can't put a script in between the head and body tag.
TD's don't have alt attributes...
An indicator telling you what 'page' has 'actions' would be amazing. I won't go into why your 'action' idea is bad.
Why would someone want to log in?
Why would you have a splash page with enter or exit? Why even have a splash page?
As for exit, why not use Javascript, like...
Code:
<a href="#" onclick="history.back()">.:Exit:.</a>
My javascript is extremely rusty... I hope that's it.