public static function Debut()
{
GSession::Demarrer();
self::$init = true;
self::$suite = array();
header('Content-Type: text/xml; charset=UTF-8');
echo "<?xml version=\"1.0\"?>\n";
echo '<' . XML_XML . '><' . XML_REPONSENONATT . '>';
self::$reponse = new SBalise(XML_REPONSE);
self::$elemContenu = array();
}