if (document.getElementById)
{
	document.write('<style type="text/css">\n')
	document.write('.submenu{display: none;}\n')
	document.write('</style>\n')
}

function SwitchMenu(obj)
{
	var set = "sub2";
	if(document.getElementById)
	{
	var el = document.getElementById(obj);
	var ar = document.getElementById("masterdiv").getElementsByTagName("span");
		if(el.style.display != "block")
		{
			for (var i=0; i<ar.length; i++)
			{
				if (ar[i].className=="submenu")
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		}
		else
		{
			el.style.display = "none";
		}
	}
}