Array.prototype.inArray = function (value) {
	var i;
	for (i=0; i < this.length; i++) {
		if (this[i] === value) {
			return true;
		}
	}
	return false;
};

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;
			}
		}
	};
}();

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];
	}
}

addEvent(window,'unload',EventCache.flush);