// Java Document
function menu(name) {
document.getElementById("menu_1").style.display="none";
document.getElementById("menu_2").style.display="none";
//document.getElementById("menu_3").style.display="none";
//document.getElementById("menu_4").style.display="none";
document.getElementById(name).style.display="block";;
	}
function menu_out(name) {
	document.getElementById(name).style.display="none";;

	}