var navWatch;
var boolNavOn = false;

function subNavShow(menu) {
	subNavHide();
	var nav = document.getElementById('subnav' + menu);
	nav.style.display = "block";
	boolNavOn = true;
	navWatch = setInterval(function() {
		if (boolNavOn == false) {
			subNavHide();	
		}
	}, 300);
}

function subNavHide() {
	var ShowCasenav = document.getElementById('subnavShowCase');
	var learnnav = document.getElementById('subnavlearn');
	var commnav = document.getElementById('subnavcommunity');
	var Forumsnav = document.getElementById('subnavForums');	
	ShowCasenav.style.display = learnnav.style.display = commnav.style.display = Forumsnav.style.display ="none";
	clearInterval(navWatch);
	boolNavOn = false;
}

function subNavOut() {
	boolNavOn = false;
}

function subNavOn() {
	boolNavOn = true;
}