// JavaScript Document
function swapClasses(objectName, className1, className2) {
	object = document.getElementById(objectName);
	if (object.className == className1) object.className = className2;
	else object.className = className1;
}

function swapVisibility(objectName) {
	object = document.getElementById(objectName);
	if (object.style.display == 'block') object.style.display = 'none';
	else object.style.display = 'block';
}

function unfoldmenu(objectName, targetObjectName) {
	swapVisibility(targetObjectName);
	swapClasses(objectName, 'expanded', 'button');
	return false;
}