function menuopen(obj) {
var el = document.getElementById(obj);
if ( el.style.display = "none" ) {
	el.style.display = 'block';
}
	else {
		el.style.display = 'none';
		
		}}

function menuclose(obj) {
var el = document.getElementById(obj);
if ( el.style.display = "block" ) {
	el.style.display = 'none';
}
	else {
		el.style.display = 'none';
		
		}}
		
function menuswitch(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != "block") {
		el.style.display = 'block';
		}
		
		else {
			el.style.display = 'none';
			}}