if (document.images) {
		menu_1_u = new Image(52,24);menu_1_u.src = "img/menu/accueil_in.jpg";
		menu_1_h = new Image(52,24);menu_1_h.src = "img/menu/accueil_ac.jpg";
		menu_2_u = new Image(137,24);menu_2_u.src = "img/menu/description_in.jpg";
		menu_2_h = new Image(137,24);menu_2_h.src = "img/menu/description_ac.jpg";
		menu_3_u = new Image(81,24);menu_3_u.src = "img/menu/joindre_in.jpg";
		menu_3_h = new Image(81,24);menu_3_h.src = "img/menu/joindre_ac.jpg";		
		menu_4_u = new Image(35,24);menu_4_u.src = "img/menu/liens_in.jpg";
		menu_4_h = new Image(35,24);menu_4_h.src = "img/menu/liens_ac.jpg";		
					
	}
	function di(id,name,id2,name2){
	if (document.images) {
		document.images[id].src=eval(name+".src");
	if (id2) {
		document.images[id2].src=eval(name2+".src");
	}}}
	
	function di2(quel_b,bouton){
		if (document.images) {
		  document.images[quel_b].src=eval(bouton+".src");
		}
	}

	function dm(msgStr) {
	document.returnValue = false;
	if (document.images) {
		window.status = msgStr;
		document.returnValue = true;
	}}

	var showMsg = navigator.userAgent != "Mozilla/4.0 (compatible; MSIE 4.0; Mac_PowerPC)";
	function dmim(msgStr) {
		document.returnValue = false;
		if (showMsg) {
		window.status = msgStr;
		document.returnValue = true;
	}
	}