set_title("Adding folder");
        $page->set_heading("Adding folder");
        $page->add_block(new NavBlock());
        $html = "";
        foreach ($this->messages as $block) {
            $html .= "
" . $block->body;
        }
        $page->add_block(new Block("Results", $html));
    }
    /*
     * 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()
    {
        global $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.
			
".make_form(make_link("bulk_add"))."
| Folder | |
|---|---|