Or you could just post the information here instead alain.
original article
http://www.web3d-fr.com/foroum/index.php?act=ST&f=4&t=3119&st=0#entry14308
program download here
http://youpien.free.fr/Setup%203D%20Viewer%20v2.0.0.zip
Its really a nice piece of software, thankyou Youpien.