func_nav.php

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<?php

if (!defined('ROOT'))
    exit('Access Denied');
function nav_top()
{
    $admin = empty($GLOBALS['user']['admin']) ? 0 : 1;
    if (false === ($modlists = read_cache('navtop_' . LANG . $admin)))
    {
        $modlists = array('index' => modname('index'));
        foreach ($GLOBALS['sys']['mod'] as $name => $_)
        {
            file_exists('./' . $name . '/index.php') && $modlists[$name] = modname($name);
        }
        if(empty($admin))  unset($modlists['adcode']);
        (!empty($admin) || MOD == 'admin') && $modlists['admin'] = modname('admin');
        write_cache('navtop' . LANG . $admin, $modlists);
    }
    return $modlists;
}
function nav_main($fid = 0, $s = 8)
{
    $func = MOD . '_navmain';
    if (call_func($func))
    {
        return $func($fid, $s);
    }
}
function nav_down()
{
    $func = MOD . '_navdown';
    $str = '';
    $nava = array($GLOBALS['conf']['center'][14] => './');
    if (call_func($func))
    {
        $nava = $nava + $func();
    }
    $i = 0;
    foreach ($nava as $name => $url)
    {
        $str .= '<li' . ($i++ < 1 ? ' class="nav_down_one"' : '') . '><a href="' . $url .
            '">' . html($name) . '</a></li>';
    }
    return $str;
}

?>