how to do that?

i want to put only register can view some page
like i want to do page for music
i want this page show only for member and Guest should register
to see it
plz tell me how ?...............
i test to put

PHP Code:

<?php require("./global.php"); ?>

but i should put usergroub ((Unregistered / Not Logged In))
Can view board No
but i want to put only this page not show for Guest

[Xenon]

PHP Code:

require("./global.php"); 
if($bbuserinfo['userid']==0) show_nopermission(); 

[Arabs Emperor]

thanks Xenon
i will test it