// JavaScript Document

function showNav(whichnav) {
	//alert("start");
	thisnav = document.getElementById(whichnav);
	thisnav.style.display = "block";
}
function hideNav(whichnav) {
	//alert("start");
	thisnav = document.getElementById(whichnav);
	thisnav.style.display = "none";
}