Seiten aus der Navigation ausschließen

<!-- navigation ................................. -->
<div id="navigation">


    <form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="get">
        <fieldset>
            <input value="<?php echo wp_specialchars($s, 1); ?>" name="s" id="s" />
            <input type="submit" value="Go!" id="searchbutton" name="searchbutton" />
        </fieldset>
    </form>


    <ul>
    <li<?php if (is_home()) echo " class=\"selected\""; ?>><a href="<?php bloginfo('url'); ?>"></a></li>
        <?php>
                $pages = BX_get_pages();
        if ($pages) {
            foreach ($pages as $page) {
                $page_id = $page->ID;
                   $page_title = $page->post_title;
                   $page_name = $page->post_name;
                   if ($page_name == "archives") {
                       (is_page($page_id) || is_archive() || is_search() || is_single())?$selected = ' class="selected"':$selected='';
                       echo "<li".$selected."><a

/**
 * Function BX_get_pages
 * ------------------------------------------------------
 * Returns the following of all WP pages:
 * ID, title, name, (content)
 *
 * $withcontent        specifies if the page's content will
 *                    also be returned
 */


function BX_get_pages($with_content = '')
{
    global $wpdb;
    $query = "SELECT ID, post_title, post_name FROM " . $wpdb->posts . " WHERE post_status='page' ORDER BY menu_order ASC ";
    if ($with_content == "with_content") {
       $query = "SELECT ID, post_title,post_name, post_content FROM " . $wpdb->posts . " WHERE post_status='page' ORDER BY menu_order ASC &depth=-1";
    }
    return $wpdb->get_results($query);
}




/**
 * Function BX_excluded_pages()
 * ------------------------------------------------------
 * Returns the Blix default pages that are excluded
 * from the navigation in the sidebar
 *
 */


function BX_excluded_pages()
{
    $pages = BX_get_pages();
    $depth = -1;
    if ($pages) {
        foreach ($pages as $page) {
            $page_id = $page->ID;
               $page_name = $page->post_name;
               if ($page_name == "archives" || $page_name == "about"  || $page_name == "about_short" || $page_name == "contact") {
                   $exclude .= ", ".$page_id;
               }
           }
           $exclude = preg_replace("/^, (.*?)/","\\1",$exclude);
       }
       return $exclude;
}