function survol_menu ($this, $type) {
	if ($type==1) {
		$this.src = "images/menu/" + $this.id + "2.gif";
	} else {
		$this.src = "images/menu/" + $this.id + ".gif";
	}
}

/* Script de préchargement des images survolées */
image1 = new Image;
image1.src = "images/menu/menu_accueil2.gif";
image2 = new Image;
image2.src = "images/menu/menu_occupation_allemande2.gif";
image1 = new Image;
image1.src = "images/menu/menu_collaboration_francaise2.gif";
image3 = new Image;
image3.src = "images/menu/menu_resistance_francaise2.gif";
image4 = new Image;
image4.src = "images/menu/menu_quiz2.gif";
image5 = new Image;
image5.src = "images/menu/menu_plan_site2.gif";
image6 = new Image;
image6.src = "images/menu/menu_contacts2.gif";