copyright: 2001-2005 CopixTeam, 2005-2012 Laurent Jouanneau Some parts of this file are took from Copix Framework v2.3dev20050901, CopixI18N.class.php, http://www.copix.org. copyrighted by CopixTeam and released under GNU Lesser General Public Licence. initial authors : Gerald Croes, Laurent Jouanneau. enhancement by Laurent Jouanneau for Jelix.