bouton_2 = new Image(10,10);
bouton_2.src = "point2.gif";
bouton_1 = new Image(10,10);
bouton_1.src = "point.gif"; 
bouton = new Image(32,32);
bouton.src ="buton.gif";
bouton2 = new Image(32,32);
bouton2.src ="buton2.gif";
boutonrd = new Image(32,32);
boutonrd.src ="butonrd.gif";
boutonvert = new Image(32,32);
boutonvert.src ="butonvert.gif";
boutonlt = new Image(32,32);
boutonlt.src ="butonlt.gif";
function changeBoutonImage(normal, changeBouton)
{
document.images[normal].src = eval(changeBouton + ".src");
return;
}