Slow loading site: CI or bad coding?

[eluser]codex[/eluser]
[quote author="ELRafael" date="1193357994"]just one little thing

if i try to login without username and pass, the validation shows me an error

user_username is required.
user_passowrd is required.

Try to put

Code:

$fields['user_username'] = 'username';

Will be more elegant (sorry, i don't remmember if is the right word in english)[/quote]

I know, I'm still working on it

(but I've changed it anyway)