WordPress MU

I installed wordpress mu on the root but i dont want it to be the home i have a forum folder and i want that to load first on my add http://www.mysite.com

can i change the index.php after installation to redirect to my forum

if it ok this the code ill put to index.php

<?php
if (!empty($_SERVER['HTTPS']) && ('on' == $_SERVER['HTTPS'])) {
$uri = 'https://';
} else {
$uri = 'http://';
}
$uri .= $_SERVER['HTTP_HOST'];
header('Location: '.$uri.'/forum/');
exit;
?>

Try it :)

LOL.