var moobar = {

	init : function(){
	
		_this = moobar;
    
		var MOO_navBtn = document.getElementById('le_nav');
		var MOO_menu = document.getElementById('le_menu');
		
		MOO_navBtn.onmouseover = MOO_menu.onmouseover = function(e){
	
			if(MOO_menu.className.match(/hide/gi)){
				MOO_menu.className = "show";
				MOO_navBtn.className = "open";
			}
			
			return false;
			
		}

		MOO_navBtn.onmouseout = MOO_menu.onmouseout = function(e){
			
			if(MOO_menu.className.match(/show/gi)){
				MOO_menu.className = "hide";
				MOO_navBtn.className = "";
			}
			
			return false;
			
		}
	
	}
}


/* addEvent function */
function addEvent( obj, type, fn ) {
	if (obj.addEventListener) {
		obj.addEventListener( type, fn, false );
		EventCache.add(obj, type, fn);
	}
	else if (obj.attachEvent) {
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
		EventCache.add(obj, type, fn);
	}
	else {
		obj["on"+type] = obj["e"+type+fn];
	}
}

var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
		add : function(node, sEventName, fHandler){
			listEvents.push(arguments);
		},
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				item[0][item[1]] = null;
			};
		}
	};
}();

addEvent(window,'unload',EventCache.flush);
addEvent(window,'load',moobar.init);