function SwitchMenu(obj)
{
	if(document.getElementById)
	{
		var el = document.getElementById(obj);
		var ar = document.getElementById("masterdiv").getElementsByTagName("DIV");
		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";
		}
	}
}

function ShowMenu(obj)
{
	if (obj != '')
	{
		if(document.getElementById)
		{
			var el = document.getElementById(obj);
			var ar = document.getElementById("masterdiv").getElementsByTagName("DIV");
			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";
			}
		}
	}
}


function ChangeClass( menu, newClass )
{ 
	 if( document.getElementById )
	 { 
	 	document.getElementById( menu ).className = newClass;
	 } 
}