function init() {
	var menuID = ["m1","m2","m3","m4","m5"];
	for (var i in menuID)
	document.getElementById("s-"+menuID[i]).style.display = "none";
}
function init1() {
	document.getElementById("s-m1").style.display = "block";
	var menuID = ["m2","m3","m4","m5"];
	for (var i in menuID)
	document.getElementById("s-"+menuID[i]).style.display = "none";
}
function init2() {
	document.getElementById("s-m2").style.display = "block";
	var menuID = ["m1","m3","m4","m5"];
	for (var i in menuID)
	document.getElementById("s-"+menuID[i]).style.display = "none";
}
function init3() {
	document.getElementById("s-m3").style.display = "block";
	var menuID = ["m1","m2","m4","m5"];
	for (var i in menuID)
	document.getElementById("s-"+menuID[i]).style.display = "none";
}
function init4() {
	document.getElementById("s-m4").style.display = "block";
	var menuID = ["m1","m2","m3","m5"];
	for (var i in menuID)
	document.getElementById("s-"+menuID[i]).style.display = "none";
}
function init5() {
	document.getElementById("s-m5").style.display = "block";
	var menuID = ["m1","m2","m3","m4"];
	for (var i in menuID)
	document.getElementById("s-"+menuID[i]).style.display = "none";
}