Index: admin_menu.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/admin_menu/admin_menu.inc,v
retrieving revision 1.11.2.3
diff -u -p -r1.11.2.3 admin_menu.inc
--- admin_menu.inc	8 Jun 2008 06:52:02 -0000	1.11.2.3
+++ admin_menu.inc	8 Jun 2008 07:14:46 -0000
@@ -25,10 +25,8 @@ function _admin_menu_rebuild_links() {
     // Make sure no child comes before its parent.
     array_multisort($sort, SORT_NUMERIC, $menu_links);
 
-    // KISS for now - completely rebuild each time.
-    db_query("DELETE FROM {menu_links} WHERE module = '%s'",  'admin_menu');
     foreach ($menu_links as $item) {
-      menu_link_save($item);
+      admin_menu_link_save($item);
     }
   }
   // Allow modules to add more links. If you want to alter links saved by
@@ -78,6 +76,13 @@ function admin_menu_link_save($item) {
     }
   }
   $item = admin_menu_link_build($item);
+  // Check whether we are able to update an existing item.
+  $existing_item = db_fetch_array(db_query("SELECT mlid, plid, has_children FROM {menu_links} WHERE link_path = '%s' AND module = '%s'", $item['link_path'], 'admin_menu'));
+  if ($existing_item) {
+    $item['mlid'] = $existing_item['mlid'];
+    $item['plid'] = $existing_item['plid'];
+    $item['has_children'] = $existing_item['has_children'];
+  }
   menu_link_save($item);
 }