function agrandit(chemin)
{
i1 = new Image;
i1.src = chemin;
html = 'Photo de la station
';
popupPhoto = window.open('','_blank','toolbar=0,location=0,directories=0,menuBar=0,scrollbars=0,resizable=1');
popupPhoto.document.open();
popupPhoto.document.write(html);
popupPhoto.document.close()
};