diff -upr 1/modules/menu.admin.inc 2/modules/menu.admin.inc
--- 1/modules/menu.admin.inc	2008-11-15 02:23:07.000000000 -0600
+++ 2/modules/menu.admin.inc	2008-12-25 23:20:51.852700000 -0600
@@ -612,6 +612,15 @@ function menu_configure() {
     '#description' => t('Choose the menu to be the default in the menu options in the content authoring form.'),
   );
 
+  $form['menu_default_node_menu_available_menus'] = array(
+    '#type' => 'select',
+    '#title' => t('Only show these menus'),
+    '#default_value' => variable_get('menu_default_node_menu_available_menus', array('main-menu' => 'main-menu')),
+    '#options' => $menu_options,
+    '#description' => t('Choose the menus that will appear in the menu options in the content authoring form.'),
+    '#multiple' => TRUE,
+  );
+
   $main = variable_get('menu_main_links_source', 'main-menu');
   $main_options = array_merge($menu_options, array('' => t('No Main links')));
   $form['menu_main_links_source'] = array(
diff -upr 1/modules/menu.module 2/modules/menu.module
--- 1/modules/menu.module	2008-12-16 17:57:32.000000000 -0600
+++ 2/modules/menu.module	2008-12-26 00:08:16.327700000 -0600
@@ -213,10 +213,14 @@ function menu_parent_options($menus, $it
     $limit = _menu_parent_depth_limit($item);
   }
 
+  $available_menus = variable_get('menu_default_node_menu_available_menus', array('main-menu' => 'main-menu'));
+  $in_admin_page = arg(0) == 'admin';
   foreach ($menus as $menu_name => $title) {
-    $tree = menu_tree_all_data($menu_name, NULL);
-    $options[$menu_name . ':0'] = '<' . $title . '>';
-    _menu_parents_recurse($tree, $menu_name, '--', $options, $item['mlid'], $limit);
+    if (isset($available_menus[$menu_name]) || $in_admin_page) {
+      $tree = menu_tree_all_data($menu_name, NULL);
+      $options[$menu_name . ':0'] = '<' . $title . '>';
+      _menu_parents_recurse($tree, $menu_name, '--', $options, $item['mlid'], $limit);
+		}
   }
   return $options;
 }