Test my first PHP script ever

I went through a PHP/MySQL tutorial (not very helpful), but I got to solve the problems myself, and I came up with this. If you want to confirm that registration is successful, go here, although all it does is just to tell you that you have successfully logged in; no cookies yet. Then finally, you can''t register more the same username more than once something that took me about 3 hours to implement in the code, or thereabouts But it was worth it, I can say I''ve learnt a lot right now InitGames Software http://initgames.t35.com/