[root@moodle mod_tmp]# diff -urNwbBE mrbs/web/edit_entry.php ../blocks/mrbs/web/edit_entry.php
--- mrbs/web/edit_entry.php 2012-10-21 19:24:42.000000000 +0800
+++ ../blocks/mrbs/web/edit_entry.php 2014-03-23 16:38:35.909922772 +0800
@@ -454,8 +454,8 @@
<?php
// select the rooms in the area determined above
//$sql = "select id, room_name from $tbl_room where area_id=$area_id order by room_name";
-$rooms = $DB->get_records('block_mrbs_room', array('area_id'=>$area_id), 'room_name');
+$rooms = $DB->get_records('block_mrbs_room', array('id'=>$room_id), 'room_name');
$i = 0;
foreach ($rooms as $dbroom) {
if (!allowed_to_book($USER, $dbroom)) {