function nothing() // dummy url
	{
	}
	
function non() 
	{
	alert("The menu links are non-functional");
	}

	
function show(n)
	{
	if (document.getElementById)
		{
		var text0 = document.getElementById("t0");
		var text1 = document.getElementById("t1");
		var text2 = document.getElementById("t2");
		var text3 = document.getElementById("t3");
		var text4 = document.getElementById("t4");
		var text5 = document.getElementById("t5");

		for(i=0;i<=5;i++) // hide all text boxes
			{
			eval("text"+i).style.visibility = "hidden";
			}
			// then show the one we want
		eval("text"+n).style.visibility = "visible";
		}
	else
		{
		return false;
		}
	}
	
function showpic() // toggles the LCD image on and off
	{
	if (document.getElementById)
		{
		var pic = document.getElementById("pic");
		if(pic.style.visibility == "visible")
			{
			pic.style.visibility = "hidden";
			}
		else
			{
			pic.style.visibility = "visible";
			}
		}
	else
		{
		return false
		}
	}