/*
	Brandeis University
	"Epsilon" Theme - Menu Expander Script
	Based on menuExpandable3.js by Dave Lindquist (dave@gazingus.org)
 */
 
function initTree(menuId, section) {
	triggerId = 't-' + menuId;
	var menu = document.getElementById(menuId);
	var trigger = document.getElementById(triggerId);
	if (menu == null || trigger == null) return;

	trigger.parentNode.style.backgroundImage = 'url(/epsilon/' + section + '/images/closed.gif)';
	trigger.onclick = function() {
		var display = menu.style.display;
		if(display == 'block') {
			this.parentNode.style.backgroundImage = 'url(/epsilon/' + section + '/images/closed.gif)';
			menu.style.display = 'none';
		} else {
			this.parentNode.style.backgroundImage = 'url(/epsilon/' + section + '/images/open.gif)';
			menu.style.display = 'block';
		}
	return false;
	}
}

function selectedTree(menuId, section) {
	triggerId = 't-' + menuId;
	var menu = document.getElementById(menuId);
	var trigger = document.getElementById(triggerId);
	if (menu == null || trigger == null) return;

	trigger.parentNode.style.backgroundImage = 'url(/epsilon/' + section + '/images/open.gif)';
	var display = menu.style.display;
	menu.style.display = 'block';
	return false;
}