function afficheMaxi(chemin)
{
i1 = new Image();
i1.src = chemin;
html = 'Zoom image
';
popupImage = window.open('','_blank','toolbar=no,location=no,status=no,directories=no,menuBar=no,scrollbars=no,resizable=0, width=500, height=375, left=250, top=125');
popupImage.document.open();
popupImage.document.write(html);
popupImage.document.close()
}