var flag = 1;
	
function showprofile()
{
	if(flag == 0)
	{
	document.getElementById("prof").style.visibility = "hidden"; 
	document.getElementById("prof").style.display = "none"; 

	flag = 1;
	}
	
	else
	{
	document.getElementById("prof").style.visibility = "visible"; 
	document.getElementById("prof").style.display = "block"; 
	
	flag= 0;
	}	
}

function showmap_tokyo()
{
	if(flag == 0)
	{
	document.getElementById("map_tokyo").style.visibility = "hidden"; 
	document.getElementById("map_tokyo").style.display = "none"; 

	flag = 1;
	}
	
	else
	{
	document.getElementById("map_tokyo").style.visibility = "visible"; 
	document.getElementById("map_tokyo").style.display = "block"; 
	
	flag= 0;
	}	
}

function showmap_osaka()
{
	if(flag == 0)
	{
	document.getElementById("map_osaka").style.visibility = "hidden"; 
	document.getElementById("map_osaka").style.display = "none"; 

	flag = 1;
	}
	
	else
	{
	document.getElementById("map_osaka").style.visibility = "visible"; 
	document.getElementById("map_osaka").style.display = "block"; 
	
	flag= 0;
	}	
}