menuShown = "menu_home";
bodyShown = "body_home";
pasMenuShown = "bishop_menu";
pasBodyShown = "bishop";

function showMenuAndBody(menu, body) 
{
	if (document.getElementById && menu != "" && body != "") 
	{
		menu_obj=document.getElementById(menu);
		body_obj=document.getElementById(body);
		if (menu_obj != null && body_obj != null)
		{
			if (menuShown != "") 
			{
				obj=document.getElementById(menuShown);
				obj.style.display= "none";
			}
			if (bodyShown != "") 
			{
				obj=document.getElementById(bodyShown);
				obj.style.display= "none";
			}
			menu_obj.style.display="";
			body_obj.style.display="";
			menuShown = menu;
			bodyShown = body;
		}
	}
}

function showPasMenuAndBody(menu, body) 
{
	if (document.getElementById && menu != "" && body != "") 
	{
		menu_obj=document.getElementById(menu);
		body_obj=document.getElementById(body);
		if (menu_obj != null && body_obj != null)
		{
			if (pasMenuShown != "") 
			{
				obj=document.getElementById(pasMenuShown);
				obj.style.display= "none";
			}
			if (pasBodyShown != "") 
			{
				obj=document.getElementById(pasBodyShown);
				obj.style.display= "none";
			}
			menu_obj.style.display="";
			body_obj.style.display="";
			pasMenuShown = menu;
			pasBodyShown = body;
		}
	}
}

function showBody(body) 
{
	if (document.getElementById && body != "") 
	{
		body_obj=document.getElementById(body);
		if (body_obj != null)
		{
			if (bodyShown != "") 
			{
				obj=document.getElementById(bodyShown);
				obj.style.display= "none";
			}
			body_obj.style.display="";
			bodyShown = body;
		}
	}
}