how to create a plugin of this code

[wanno]

I have the next code:


global $filenames;
$filenames = $_SERVER['SCRIPT_URI'];


and this code:
<?php include ($_SERVER['DOCUMENT_ROOT'] . '/_d/s/inc/logo.php');?>


How can I create 2 plugins of this?
I tried everything without success.

[Dismounted]

<a href="http://www.vbulletin.com/docs/html/main/templates_externalfiles" target="_blank">http://www.vbulletin.com/docs/html/m..._externalfiles</a>