function toggleText(textBlock, state)
	{
		document.getElementById(textBlock).style.display = state;
	}
	
	var previousMenu = '1';
	function toggleMenu(navRed)
	{
		thisMenu = document.getElementById(navRed);
		if (thisMenu != previousMenu)
		{
			if (previousMenu != '1')
			{
				previousMenu.style.display = 'none';
			}
			thisMenu.style.display = 'block';
			previousMenu = document.getElementById(navRed);
		}
	}