function afficheMaxi(chemin) {
i1 = new Image;
i1.src = chemin;
html = 'Image
';
popupImage = window.open('popup','_blank','toolbar=0,location=0,directories=0,menubar=0,scrollbars=0,resizable=0,status=1,width=200,height=200');
popupImage.document.open();
popupImage.document.write(html);
popupImage.document.close()
};