skeleton/menu.php

<?php

fbx_plugin_register('prehtml', 'fbx_menu');

function fbx_menu($item)
{
    global $fbx, $content, $myself;
    $menu_parts = array();
    if (count($fbx['menu'])) foreach ($fbx['menu'] as $menu_item)
    {
        $menu_parts[] = "<a href='" . $myself . $menu_item['action'] . "'>" . $menu_item['title'] . "</a>";
    }
    $content['debugpanes']['menu']
        = "Firebox Admin Menu<br><br>"
        . "<a href='" . $myself . "fbx.start_production'>Start Production</a><br>"
        . "<a href='" . $myself . "fbx.stop_production'>Start Development</a><br>"
        . "<br>"
        . (count($menu_parts) ? join("<br>", $menu_parts) . "<br><br>" : "")
        . "<a href='" . $myself . "fbx.about'>About Firebox</a><br>"
        ;        
}

function fbx_menu_register($title, $action)
{
    global $fbx;
    fbx_debug("Adding menu item $title => $action", __FILE__, __LINE__);
    $fbx['menu'][] = array('title' => $title, 'action' => $action);
}