im1= new Image();
im2= new Image();
im1.src = "../images/menu/shop.jpg";
im2.src = "../images/menu/shop_a.jpg";

function changeImage(nomIm,src)
{
document.images[nomIm].src=src;
}

im3= new Image();
im4= new Image();
im3.src = "../images/menu/contact.jpg";
im4.src = "../images/menu/contact_a.jpg";

function changeImage(nomIm,src)
{
document.images[nomIm].src=src;
}

im5= new Image();
im6= new Image();
im5.src = "../images/menu/shopfr.jpg";
im6.src = "../images/menu/shopfr_a.jpg";

function changeImage(nomIm,src)
{
document.images[nomIm].src=src;
}