// JavaScript Document
function show_hide(i)
{
switch (i)
	{
case "2": 
document.getElementById("li1").style.display = "none";
document.getElementById("li2").style.display = "block";
document.getElementById("li3").style.display = "none";
document.getElementById("li4").style.display = "none";
break;
case "3": 
document.getElementById("li2").style.display = "none";
document.getElementById("li3").style.display = "block";
document.getElementById("li1").style.display = "none";
document.getElementById("li4").style.display = "none";
break;
case "4": 
document.getElementById("li2").style.display = "none";
document.getElementById("li4").style.display = "block";
document.getElementById("li1").style.display = "none";
document.getElementById("li3").style.display = "none";
break;
default : 
document.getElementById("li2").style.display = "none";
document.getElementById("li1").style.display = "block";
document.getElementById("li3").style.display = "none";
document.getElementById("li4").style.display = "none";
break;
	} 
}