Index: wp-admin/comment.php
===================================================================
--- wp-admin/comment.php	(revision 21458)
+++ wp-admin/comment.php	(working copy)
@@ -59,8 +59,9 @@
 	'<p>' . __( '<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>' ) . '</p>'
 	);
 
-	wp_enqueue_script('comment');
-	require_once('./admin-header.php');
+	wp_enqueue_script( 'comment' );
+	wp_enqueue_script( 'postbox' );
+	require_once( './admin-header.php' );
 
 	$comment_id = absint( $_GET['c'] );
 
Index: wp-admin/js/comment.dev.js
===================================================================
--- wp-admin/js/comment.dev.js	(revision 21458)
+++ wp-admin/js/comment.dev.js	(working copy)
@@ -1,5 +1,7 @@
 jQuery(document).ready( function($) {
 
+	postboxes.add_postbox_toggles('comment');
+
 	var stamp = $('#timestamp').html();
 	$('.edit-timestamp').click(function () {
 		if ($('#timestampdiv').is(":hidden")) {