--- bp-messages-cssjs.php (BP 1.2.4.1)	Thu Jun 03 14:12:49 2010
+++ bp-messages-cssjs.php (working copy)	Thu Jun 03 14:17:37 2010
@@ -27,6 +27,7 @@
 add_action( 'wp_head', 'messages_add_autocomplete_css' );
 
 function messages_autocomplete_init_jsblock() {
+	global $bp;
 ?>
 	<script type="text/javascript">
 		jQuery(document).ready(function() {