function show(n)
	{
	if (document.getElementById)
		{
		var client0 = document.getElementById("c0");
		var client1 = document.getElementById("c1");
		var client2 = document.getElementById("c2");
		var client3 = document.getElementById("c3");
		
		for(i=0;i<=3;i++) // hide all text boxes
			{
			eval("client"+i).style.display = "none";
			}
			// then show the one we want
		eval("client"+n).style.display = "block";
		}
	else
		{
		return false;
		}
	}