var numMenus = 1;
var timer = 0;

function inactive(obj) {
	obj.className = 'navlink';
}

function active(obj) {
	obj.className = 'hover';
}

function show(id) {
	hideAll();
	document.getElementById(id).style.visibility = 'visible';
}

function hideAll() {
	for (var i = 1; i <= numMenus; i++)
		document.getElementById('m' + i).style.visibility = 'hidden';
}

function setHideTimer() {
	timer = setTimeout("hideAll()", 750);	
}

function resetHideTimer() {
	clearTimeout(timer);
}