View file public_html/inc/usrchk.php

<?php
$guest=0;
if((isset($_COOKIE['xtremeitech_usr']))&&(isset($_COOKIE['xtremeitech_pwd']))) {
$userc = $_COOKIE['xtremeitech_usr'];
$passc = $_COOKIE['xtremeitech_pwd'];

} else {
$guest=1; 
}
if($guest==0) {
$USERQ = "SELECT user, pass FROM users WHERE user='$userc' AND pass='$passc'";
$CHECKU = mysql_query($USERQ) or die('Error');
$user = $userc;
$pass = $passc;
$guest=0;
if(!mysql_num_rows($CHECKU)=="1") { 
die('Error');
}
}
?>