Alle Unterkapitel öffnen sich

<div id="sidebar">
    <?php if (!is_home()) {       ?>
     <div class="subnav_segment">
            <div class="subnav_segment_top">
            <?php
                global $wp_query;
                    /* Die aktuelle Seite */
                    //echo "Aktuelle Seite: ".$wp_query->post->ID.'<br />';


                    /* Die der aktuellen Seite †bergeordnete */
                    $parent = $wp_query->post->post_parent;
                    //echo "Uebergeordnete Seite: ".$parent.'<br />';




                    /* Drittes Level */
                    $upper_parent = $wpdb->get_var("SELECT post_parent FROM $wpdb->posts WHERE ID = $parent");
                    //echo "3. Level: ".$upper_parent.'<br />';


                /* Keine untergeordnete Seite */
                if( empty($wp_query->post->post_parent) ) {
                    $parent = $wp_query->post->ID;
                    $parent_title = $wp_query->post->post_title;
                    $depth="1";
                }
                /* Aktuelle Seite ist untergeordnet */
                else {
                    $current_page_has_children = $wpdb->get_var("SELECT post_title FROM $wpdb->posts WHERE post_parent = ".$wp_query->post->ID);


                    if ($current_page_has_children) {
                        $depth="3";
                    }
                    elseif($upper_parent) {
                        $depth="3";
                        $parent=$upper_parent;
                    }
                    else {
                        $depth="1";
                    }




                    $parent_title = $wpdb->get_var("SELECT post_title FROM $wpdb->posts WHERE ID = $parent");
                    $parent_name = $wpdb->get_var("SELECT post_name FROM $wpdb->posts WHERE ID = $parent");


                }


               echo apply_filters('the_title', '<h2><a href="'.get_permalink($post->post_parent).'">'.$parent_title.'</a></h2>');


           ?>
            <ul><?php wp_list_pages("title_li=&sort_column=menu_order&child_of=$parent&depth=".$depth); ?></ul>
        </ul></div></div>
        <div class="segment_bottom"></div>
        <?php } ?>




<?php if (is_home() || is_single())  { ?>
     <div class="subnav_segment">
        <div class="subnav_segment_top">
            <h2>Login</h2>
            <div id="header_login_bar"><?php if (function_exists('login_here')) { login_here(); } ?></div>
        </div>
    </div>
    <div class="segment_bottom"></div>
<?php } ?>
<?php if (is_home() || is_category() || is_month() || is_year() || is_day() || is_single()) { ?>


        <div class="segment">
            <div class="segment_top">
                <h2>Berichte</h2><ul>
                <?php wp_list_cats('sort_column=name&optioncount=0&hierarchical=0'); ?>
        </ul>
            </div>
        </div>
        <div class="segment_bottom"></div>


        <div class="segment">
            <div class="segment_top">
                <h2>Archiv</h2><ul>
                <select name=\"archive-dropdown\" onChange='document.location.href=this.options[this.selectedIndex].value;'>
                  <option value=\"\"><?php echo attribute_escape(__('Select Month')); ?></option>
                  <?php wp_get_archives('type=monthly&format=option&show_post_count=1'); ?> </select>


        </ul></div></div>
        <div class="segment_bottom"></div>