$rootpath = '';//если в корне то не трогать
$title = 'Титл';
include_once $rootpath.'incfiles/head.php';

$cookupass = base64_decode($cookupass);
$q = mysql_query("SELECT * FROM `users` WHERE `login`='$cookulogin' AND `pass`='$cookupass' LIMIT 1");
if(mysql_num_rows($q)){
  $cookupass = base64_encode($cookupass);
  //содержимое страницы

 include_once $rootpath.'incfiles/foot.php';
 exit;
}else{header("Location: /");}