Cookie Ban ??

[aveon]

i figured ou something like this and i dont know how to install this to vbulletin...

<?php
$IP = $_SERVER['REMOTE_ADDR'];
if ($IP =="x.x.x.x")
setcookie(Ban, 'cookietest', time()+3600000000);
else if ($IP =="x.x.x.x")
setcookie(Ban, 'cookietest', time()+3600000000);
else if ($IP =="x.x.x.x")
setcookie(Ban, 'cookietest', time()+3600000000);
else if ($IP =="x.x.x.x")
setcookie(Ban, 'cookietest', time()+3600000000);
else if ($IP =="x.x.x.x")
setcookie(Ban, 'cookietest', time()+3600000000);
else if ($IP =="x.x.x.x")
setcookie(Ban, 'cookietest', time()+3600000000);
else if ($IP =="x.x.x.x")
setcookie(Ban, 'cookietest', time()+3600000000);
else echo "";
?>
<?php
if ($_COOKIE['Ban'])
die ('Sorry, you are banned from using this forum!');
else echo "";
?>