pre_01 = new Image;
pre_01.src = "/images/produits/product_home_01_over.jpg";
pre_02 = new Image;
pre_02.src = "/images/produits/product_home_02_over.jpg";
pre_03 = new Image;
pre_03.src = "/images/produits/product_home_03_over.jpg";
pre_04 = new Image;
pre_04.src = "/images/produits/product_home_04_over.jpg";
pre_05 = new Image;
pre_05.src = "/images/produits/product_home_05_over.jpg";