function precharg()
{
img1 = new Image;
img1.src = "images/accueil_bleu.jpg";
img2 = new Image;
img2.src = "images/actualites_bleu.jpg";
img2 = new Image;
img2.src = "images/client_bleu.jpg";
img2 = new Image;
img2.src = "images/entreprise_bleu.jpg";
img2 = new Image;
img2.src = "images/implantations_bleu.jpg";
img2 = new Image;
img2.src = "images/produits_bleu.jpg";
img2 = new Image;
img2.src = "images/promotions_bleu.jpg";
img2 = new Image;
img2.src = "images/vente_bleu.jpg";
}