function menu_ouvre(id) {
	document.getElementById("sous_menu1").style.left = "-812px";
	document.getElementById("sous_menu2").style.left = "-812px";
	document.getElementById("sous_menu3").style.left = "-812px";
	document.getElementById("sous_menu4").style.left = "-812px";
	document.getElementById("sous_menu5").style.left = "-812px";
	document.getElementById("sous_menu6").style.left = "-812px";
	document.getElementById(id).style.left = "-512px";
}
function menu_ferme() {
	document.getElementById("sous_menu1").style.left = "-812px";
	document.getElementById("sous_menu2").style.left = "-812px";
	document.getElementById("sous_menu3").style.left = "-812px";
	document.getElementById("sous_menu4").style.left = "-812px";
	document.getElementById("sous_menu5").style.left = "-812px";
	document.getElementById("sous_menu6").style.left = "-812px";
}