wait, let me try this
PHP Code:
<?php
$outurls = array("http://site1.com", "http://site2.com", "http://site3.com", "http://site4.com", "http://site5.com", "http://site6.com", "http://site7.com");
$r = rand(0, count($outurls));
header("location: " . $outurls[$r]);
?>
yay!!