Need Script to Manage Ads Across Multiple Domains

<?

//* Once everything is set up, this is the main file to add or change you offers. Once your system is in place, it will be smooth sailing.

switch($id){            
        Case 1:        
        $go='<a href="http://www.jdoqocy.com/click-xxxxxxxx-10820618" target="_top">
<img src="http://www.awltovhc.com/image-xxxxxxxx-10820618" width="300" height="250" alt="AmericanGreetings.com Free Trial" border="0"/></a>';        
        break;        
        Case 2:        
        $go='<a href="http://www.kqzyfj.com/click-xxxxxxxx-10397471" target="_top">
<img src="http://www.tqlkg.com/image-xxxxxxxx-10397471" width="468" height="60" alt="American Greetings Ecards- Start Free Trial " border="0"/></a>';        
        break;        
        Case 3:        
        $go='http://www.youraffiliatelinks.com/here'; //*Take the numbers as high as you want, can even skip numbers        
        break;        
        }            
        
        ?>

<? 

//* 1 = My Toys site, 2 = My Autoparts site, 3 = My Clickbank site, 6 = Position 6 in all sites, 36= My Clickbank site and in position 6

$id = '1'; //*$id='#' You use this to assign the numbers from above. You have to use numbers only for id. There are all kinds of ways to do this. Site, Position, Site and Position combo numbers, 

?>
<? include    ('links.php'); ?>
<?php  echo $go; ?>