Array.prototype.inArray = function (value) {

	var i;

	for (i=0; i < this.length; i++) {

		if (this[i] === value) {

			return true;

		}

	}

	return false;

};



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);