function afficheMaxi(chemin){
i1 = new Image;
i1.src = chemin;
html = '';
html = html + 'Circuit Lédenon';
html = html + '';
html = html + '
Chargement en cours...
';
popupImage = window.open('','_blank','width=180,height=20,toolbar=0,location=0,directories=0,menubar=0,scrollbars=1,resizable=1');
popupImage.document.open();
popupImage.document.write(html);
popupImage.document.close()
}