// Event handling code written by Dean Edwards, 2005
// with input from Tino Zijdel - crisp@xs4all.nl
// http://dean.edwards.name/weblog/2005/10/add-event/
// http://therealcrisp.xs4all.nl/upload/addEvent_discussion_summary.html
function addEvent(element, type, handler)
{
	if (element.addEventListener)
		element.addEventListener(type, handler, false);
	else
	{
		if (!handler.$$guid) handler.$$guid = addEvent.guid++;
		if (!element.events) element.events = {};
		var handlers = element.events[type];
		if (!handlers)
		{
			handlers = element.events[type] = {};
			if (element['on' + type]) handlers[0] = element['on' + type];
			element['on' + type] = handleEvent;
		}
	
		handlers[handler.$$guid] = handler;
	}
}
addEvent.guid = 1;

function removeEvent(element, type, handler)
{
	if (element.removeEventListener)
		element.removeEventListener(type, handler, false);
	else if (element.events && element.events[type] && handler.$$guid)
		delete element.events[type][handler.$$guid];
}

function handleEvent(event)
{
	event = event || fixEvent(window.event);
	var returnValue = true;
	var handlers = this.events[event.type];

	for (var i in handlers)
	{
		if (!Object.prototype[i])
		{
			this.$$handler = handlers[i];
			if (this.$$handler(event) === false) returnValue = false;
		}
	}

	if (this.$$handler) this.$$handler = null;

	return returnValue;
}

function fixEvent(event)
{
	event.preventDefault = fixEvent.preventDefault;
	event.stopPropagation = fixEvent.stopPropagation;
	return event;
}
fixEvent.preventDefault = function()
{
	this.returnValue = false;
}
fixEvent.stopPropagation = function()
{
	this.cancelBubble = true;
}

//Code below by Phillip Dexheimer

var menu = {
	init : function() {
		if (document.all && document.getElementById) {
			var navRoot = document.getElementById('nav');
			for (i=0; i<navRoot.childNodes.length; i++) {
				var node = navRoot.childNodes[i];
				if (node.nodeName == 'LI') {
					addEvent(node, 'mouseover', menu.mouseOver);
					addEvent(node, 'mouseout', menu.mouseOut);
				}
			}
		}
	}, //init

	mouseOver : function() {
		this.className += ' over';
	}, //mouseOver

	mouseOut : function() {
		this.className = this.className.replace(' over', '');
	} //mouseOut
} //menu

addEvent(window, 'load', menu.init);