Index: temp_moodle_dev/moodle/mod/chat/lib.php
===================================================================
RCS file: /usr/local/cvsroot/temp_moodle_dev/moodle/mod/chat/lib.php,v
diff -u -r1.3 -r1.4
--- temp_moodle_dev/moodle/mod/chat/lib.php	20 Jul 2009 06:01:36 -0000	1.3
+++ temp_moodle_dev/moodle/mod/chat/lib.php	28 Oct 2009 07:32:05 -0000	1.4
@@ -126,7 +126,7 @@
 
     $pagetypes = page_import_types('mod/chat/');
     foreach($pagetypes as $pagetype) {
-        if(!delete_records('block_instance', 'pageid', $chat->id, 'pagetype', $pagetype)) {
+        if(!blocks_delete_all_on_page($pagetype, $chat->id)) {
             $result = false;
         }
     }
@@ -822,6 +822,7 @@
     return array('moodle/site:accessallgroups', 'moodle/site:viewfullnames');
 }
 
+
 /**
  * LAMS Function
  * This function clones an existing instance of Moodle chat
@@ -976,4 +977,5 @@
 
 }
 
+
 ?>