function close3rd() 
	{
		if (document.getElementById) 
		{ // DOM3 = ie5, NS6
			document.getElementById('Content3').style.display = 'none';
		}
		else 
		{
			if (document.layers) 
			{ // Netscape 4
				document.Content3.display = 'none';
			}
			else 
			{ // ie 4
				document.all.Content3.style.display = 'none';
			}
		}
	}
	function show3rd() 
	{
		if (document.getElementById) 
		{ // DOM3 = ie5, NS6
			document.getElementById('Content3').style.display = 'block';
		}
		else 
		{
			if (document.layers) 
			{ // Netscape 4
				document.Content3.display = 'block';
			}
			else 
			{ // ie 4
				document.all.Content3.style.display = 'block';
			}
		}
	}