var images=new Array(9);
function initimage() {
for (var i=0 ; i <images.length; i++) 
 images[i]= new Image();
 images[0].src="images/cartes/salevienne.jpg"
 images[1].src="images/cartes/rhone.jpg"
 images[2].src="images/cartes/arve.jpg"
 images[3].src="images/cartes/viaison.jpg"
 images[4].src="images/cartes/usses.jpg"
 images[5].src="images/cartes/saleve.jpg"
 images[6].src="images/cartes/vuache.jpg"
 images[7].src="images/cartes/geneve.jpg"
 images[8].src="images/cartes/stjulien.jpg"

}
function changimage(n) {
document.image.src=images[n].src
}