[nerbert]

Well, you could try this:

// #######################################################################
// ######################## START MAIN SCRIPT ############################
// #######################################################################

		$show_array = array(11,12,23,24);    //example of forum id's you want to show
		
		$cache = array();
		foreach($vbulletin->forumcache AS $forumcache)
		{
			$i = $forumcache['forumid'];
			if(in_array($i, $show_array))
			{
				$cache[$i] = $forumcache;
			}
		}
		$vbulletin->forumcache = $cache;

Notice I changed the code so it shows the forums you want instead of ignoring forums. (no "!" in front of in_array)

I have no idea how this is going to work. You could be in for a big complicated job. For starters every link has a base path like "http://www.my_forum.com/forum", I don't know how to get the correct path for the threads or forums in the new file/page.