Make me one table and three files


Table
-------------
Has a username and a password and a cookie
Username is unique and not null
Password is not null


Login Check page
----------------
	Never prints anything
	if the cookie is wrong ... header("location: login.php");

Add a user page
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	require the login check page
	Ask for a username and a password
	Encrypt the password
	Insert into the table the username and the password


Login page
---------------
	Ask for a username and a password
	Encrypt the password
	If the username and the password exist, 
		say yes
		pick a random number to be the cookie
		set the cookie
		modify the table to set the cookie in the table
	else
		say no




Search the database like this:  select count(users) where username=XXX and password=XXX