function setbg()
{
var nbPics = 4
var numpic = Math.floor(Math.random()*nbPics)+1;
if(document.all)
{
document.all.td1.style.backgroundImage = "url(images/fd_classement" + numpic + ".jpg)";
}
else if(document.getElementById)
{
document.getElementById("td1").style.backgroundImage = "url(images/fd_classement" + numpic + ".jpg)";
}
}
function afficheMaxi(chemin)
{
i1 = new Image;
i1.src = chemin;
html = 'Image';
popupImage = window.open('','_blank','toolbar=0,location=0,directories=0,menuBar=0,scrollbars=0,resizable=1,top=100,left=100,width=100,height=100');
popupImage.document.open();
popupImage.document.write(html);
popupImage.document.close();
}