Index: includes/menu.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/menu.inc,v
retrieving revision 1.202
diff -u -p -r1.202 menu.inc
--- includes/menu.inc	29 Aug 2007 20:46:18 -0000	1.202
+++ includes/menu.inc	30 Aug 2007 02:21:17 -0000
@@ -1240,7 +1240,15 @@ function menu_get_active_menu_name() {
   return menu_set_active_menu_name();
 }
 
-function menu_set_active_item() {
+/**
+ * Set the active path, which determines which page is loaded.
+ *
+ * Note that this may not have the desired effect unless invoked very early
+ * in the page load, such as during hook_boot. Use of this function should be
+ * considered to be deprecated.
+ */
+function menu_set_active_item($path) {
+  $_GET['q'] = $path;
 }
 
 /**