Listing all blogs?

i have a Mu set up where the home.php page list all the updated blogs by name and description using a nice bit of code done by a kind sole on here …

$blogs = get_last_updated();
if( is_array( $blogs ) ) {
	?>
	<ul>
	<strong>Our latest updated blogs...</strong>
	<?php foreach( $blogs as $details ) {
		?><li>
<b><a href="https://<?php echo $details[ 'domain' ] . $details[ 'path' ] ?>">
    <?php echo get_blog_option( $details[ 'blog_id' ], 'blogname' ) ?></a></b><br>
<?php echo get_blog_option( $details[ 'blog_id' ], 'blogdescription' ) ?> </li><?php

	}"

unfortunatly i have outgrown this a bit as for some reason this code only shows the top 40 updated blogs (i only found this out when i got past 40) how can i have it so that i can have a page 2 with the next 40 blogs and so on? (is this possible?)

thanks