// JavaScript Document
function fmenu01(){
	if( menu01.style.display == "none")
	{
		menu01.style.display = "block";
		menu02.style.display = "none";
		menu03.style.display = "none";
		menu04.style.display = "none";
}
	else
		menu01.style.display = "block";}

function fmenu02(){
	if( menu02.style.display == "none")
	{
		menu01.style.display = "none";
		menu02.style.display = "block";
		menu03.style.display = "none";
		menu04.style.display = "none";
}
	else
		menu02.style.display = "block";}

function fmenu03(){
	if( menu03.style.display == "none")
	{
		menu01.style.display = "none";
		menu02.style.display = "none";
		menu03.style.display = "block";
		menu04.style.display = "none";
}
	else
		menu03.style.display = "block";}

		
function fmenu04(){
	if( menu04.style.display == "none")
	{
		menu01.style.display = "none";
		menu02.style.display = "none";
		menu03.style.display = "none";
		menu04.style.display = "block";
}
	else
		menu04.style.display = "block";}