function over(img,num,etat) {
	if (etat) etat = "h";
	else etat = "n";
	switch (num) {
		case 1: img.src=racine+"images/bandeau-haut-alsace-"+etat+".jpg"; break;
		case 2: img.src=racine+"images/bandeau-haut-rhonealpes-"+etat+".jpg"; break;
		case 3: img.src=racine+"images/bandeau-haut-lorraine-"+etat+".jpg"; break;
	}
}



function menu(obj,num,hover) {
	etat = (hover == 1) ? "hover" : "normal";
	obj.src=racine+"images/lien_news"+num+"_"+etat+".jpg"; 
}


function io(elm,img,etat) {
	if (etat) etat = "2";
	else etat = "1";
	elm.src=racine+"images/intranet_"+img+etat+".png";
}