iMenu1 = new Image();
iMenu1.src = "images/menu-accueil-h.png";
iMenu2 = new Image();
iMenu2.src = "images/menu-presentation-h.png";
iMenu3 = new Image();
iMenu3.src = "images/menu-services-h.png";
iMenu4 = new Image();
iMenu4.src = "images/menu-realisations-h.png";
iMenu5 = new Image();
iMenu5.src = "images/menu-coordonnees-h.png";