Unzip the file to your root directory. If you want to place the script to other directory
make sure to edit the include() function of every script pointing to full valid directory of the included file.
In your MySQL database you have something like this.
mysql> select * from acct\g
+--------------+------------+-----------------------+-----------+
| uname | pname | name | userlevel |
+--------------+------------+-----------------------+-----------+
| test | test | test | 1 |
| Administrator| admin | Administrator | 2 |
| guest | guest | Guest | 3 |
+--------------+------------+-----------------------+-----------+
usage: test.php
you must include this two lines prior to your protected web content;
<?
$userlevel[]=1;
//you may use $userlevel=array(1,2,3,4);
include('security.php');
// you may put the full path of security.php
//example include('c:/inetpub/wwwroot/security/security.php);
?>