copyright: 2005-2008 Laurent Jouanneau Some parts of this file are took from an experimental branch of the Copix project (CopixUrl.class.php, Copix 2.3dev20050901, http://www.copix.org), Some lines of code are still copyrighted 2001-2005 CopixTeam (LGPL licence). Initial authors of this parts are Gerald Croes and Laurent Jouanneau, and this parts were adapted for Jelix by Laurent Jouanneau