// JavaScript Document

function hideNav() {
	divArray = document.getElementsByTagName("div");
	for (i=0; i<divArray.length; i++) {
		if (divArray[i].className == "dropmenu") {
			divArray[i].style.visibility="hidden";
		}
	}
}

function showNav(menuname) {
	hideNav();
	//alert(menuname);
	document.getElementById(menuname).style.visibility = "visible";
	//alert(menuname);
}