function affiche_menu(lemenu){
	if (lemenu == "location"){
		document.getElementById('ulocation').style.visibility = "visible";
        document.getElementById('ulvente').style.visibility = "hidden";
        document.getElementById('ulachat').style.visibility = "hidden";
    }
    else if(lemenu == "vente"){
            document.getElementById('ulocation').style.visibility = "hidden";
            document.getElementById('ulvente').style.visibility = "visible";
            document.getElementById('ulachat').style.visibility = "hidden";
    }
    else if(lemenu == "achat"){
            document.getElementById('ulocation').style.visibility = "hidden";
            document.getElementById('ulvente').style.visibility = "hidden";
            document.getElementById('ulachat').style.visibility = "visible";
    }
}

function affiche_menu2(lemenu){
	if (lemenu == "location"){
		document.getElementById('ulocation2').style.visibility = "visible";
        document.getElementById('ulvente2').style.visibility = "hidden";
        document.getElementById('ulachat2').style.visibility = "hidden";
    }
    else if(lemenu == "vente"){
            document.getElementById('ulocation2').style.visibility = "hidden";
            document.getElementById('ulvente2').style.visibility = "visible";
            document.getElementById('ulachat2').style.visibility = "hidden";
    }
    else if(lemenu == "achat"){
            document.getElementById('ulocation2').style.visibility = "hidden";
            document.getElementById('ulvente2').style.visibility = "hidden";
            document.getElementById('ulachat2').style.visibility = "visible";
    }
}
function simulateur() {
//    window.open("simulateur/index.php","",top="0",left="0",width="100",height="600","options");
    window.open("simulateur/index.php","","top=0,left=0,width=600,height=740,scrollbars=yes");
}