function showorhide(id) 
	{ 
	document.getElementById('submenu4').style.display = "none";
	document.getElementById('submenu5').style.display = "none";
	
	if (document.getElementById(id).style.display == "none") 
		{
		document.getElementById(id).style.display = "block";
		} 
	else 
		{
		document.getElementById(id).style.display = "none";
		}
	}

function show(id) 
	{ 
	document.getElementById(id).style.display = "block";
	}

function hide(id) 
	{ 
	document.getElementById(id).style.display = "none";
	}