if (PostPlanner_Loader::$settings['references'] == 1) {
            echo '<li><a href="#tabs-references"> ' . apply_filters('post_planner_references_metabox_title', esc_attr__('References', 'post-planner')) . ' </a></li>';
        }
        if (PostPlanner_Loader::$settings['checklist'] == 1 && implode('', PostPlanner_Loader::$checklist)) {
            echo '<li><a href="#tabs-checklist"> ' . apply_filters('post_planner_checklist_metabox_title', esc_attr__('Checklist', 'post-planner')) . ' </a></li>';
        }
        if (PP_CTDL == true) {
            echo '<li><a href="#tabs-todolist"> ' . apply_filters('post_planner_todolist_metabox_title', esc_attr__('To-Do List', 'post-planner')) . ' </a></li>';
        }
        if (PostPlanner_Loader::$settings['comments'] == 1) {
            echo '<li><a href="#tabs-comments"> ' . apply_filters('post_planner_comments_metabox_title', esc_attr__('Comments', 'post-planner')) . ' </a></li>';
        }
        ?>
		</ul>
		<?php 
        if (PostPlanner_Lib::check_for_content($planner_id)) {
            echo '<div id="tabs-details">';
            PostPlanner::display_details($planner_id);
            echo '</div>';
        }
        if (PostPlanner_Loader::$settings['images'] == 1) {
            echo '<div id="tabs-images">';
            PostPlanner::display_images($planner_id);
            echo '</div>';
        }
        if (PostPlanner_Loader::$settings['files'] == 1) {
            echo '<div id="tabs-files">';
            PostPlanner::display_files($planner_id);
            echo '</div>';
        }
        if (PostPlanner_Loader::$settings['references'] == 1) {