function navi(navi_name){
	if(navi_name == "menu-Sub01"){
		document.getElementById("menu-Sub01").style.display = "block";
		document.getElementById("menu-Sub02").style.display = "none";
		document.getElementById("menu-Sub03").style.display = "none";
	}
	
	if(navi_name == "menu-Sub02"){
		document.getElementById("menu-Sub01").style.display = "none";
		document.getElementById("menu-Sub02").style.display = "block";
		document.getElementById("menu-Sub03").style.display = "none";
	}
	
	if(navi_name == "menu-Sub03"){
		document.getElementById("menu-Sub01").style.display = "none";
		document.getElementById("menu-Sub02").style.display = "none";
		document.getElementById("menu-Sub03").style.display = "block";
	}
}