set_title("Adding images from csv");
        $page->set_heading("Adding images from csv");
        $page->add_block(new NavBlock());
        foreach ($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_csv with POST[csv] set to the name of a server-side
     * csv file
     */
    public function display_admin_block()
    {
        global $page;
        $html = "
			Add images from a csv. Images will be tagged and have their
			source and rating set (if \"Image Ratings\" is enabled)
			
Specify the absolute or relative path to a local .csv file. Check here for the expected format.
			
".make_form(make_link("bulk_add_csv"))."
| CSV | |
|---|---|