//Prechargement des images
i1 = new Image;
i1.src = "img/panier_bouton-ok_OFF.png";
i2 = new Image;
i2.src = "img/panier_bouton-ok_ON.png";

i3 = new Image;
i3.src = "img/recherche_bouton-ok_OFF.png";
i4 = new Image;
i4.src = "img/recherche_bouton-ok_ON.png";

i5 = new Image;
i5.src = "img/bouton_envoyer_OFF.png";
i6 = new Image;
i6.src = "img/bouton_envoyer_ON.png";