set_title("Adding folder");
		$page->set_heading("Adding folder");
		$page->add_block(new NavBlock());
		foreach($this->messages as $block) {
			$page->add_block($block);
		}
	}
	/*
	 * Add a section to the admin page. This should contain a form which
	 * links to bulk_add with POST[dir] set to the name of a server-side
	 * directory full of images
	 */
	public function display_admin_block(Page $page) {
		$html = "
			Add a folder full of images; any subfolders will have their names
			used as tags for the images within.
			
Note: this is the folder as seen by the server -- you need to
			upload via FTP or something first.