- Replace some mysql_query by pwg_query function.

- Add home button after upgrade.php.
- Add utf8 charset for access denied message.
- Replace some #content by .content in css files.
- Fix menubar blocks borders with IE.

git-svn-id: http://piwigo.org/svn/trunk@2884 68402e56-0260-453c-a942-63ccdbb3a9ee

include/functions_session.inc.php

@@ -146,7 +146,7 @@ INSERT INTO '.SESSIONS_TABLE.'
   (id,data,expiration)
   VALUES(\''.get_remote_addr_session_hash().$session_id.'\',\''.$data.'\',now())
 ;';
-  mysql_query($query);
+  pwg_query($query);
   return true;
 }