function affiche_menu(x){
document.getElementById(x+"on").style.display = "block";
document.getElementById(x).style.display = "none";
}
function efface_menu(x){
document.getElementById(x).style.display = "block";
document.getElementById(x+"on").style.display = "none";
}
function affiche_smenu(){
document.getElementById("calquesousmenu").style.visibility = "visible";
}

function efface_sousmenu(){
	document.getElementById("calquesousmenu").style.visibility = "hidden";
}
function OuvrirFenetre(url,nom,details) {
			window.open(url,nom,details)
		}