Cookiesler yenilenmediği için dikkat edemedim.
<?
$a[1]="z.php";
$a[2]="c.php";
$a[3]="a.php";
$a[4]="c.php";
$a[5]="d.php";
$a[6]="e.php";
$a[7]="f.php";
$a[8]="g.php";
$a[9]="h.php";
$a[10]="i.php";
$a[11]="j.php";
$a[12]="k.php";
$a[13]="l.php";
$a[14]="m.php";
$a[15]="n.php";
$a[16]="r.php";
$a[17]="s.php";
$a[18]="t.php";
$a[19]="u.php";
$a[20]="y.php";
$a[21]="z.php";
$a[22]="x.php";
shuffle($a);
$a=$a[0];
include("$a");
?>böyle çalışıyor.