/*	EventCache Version 1.0

	Copyright 2005 Mark Wubben



	Provides a way for automagically removing events from nodes and thus preventing memory leakage.

	See <http://novemberborn.net/javascript/event-cache> for more information.

	

	This software is licensed under the CC-GNU LGPL <http://creativecommons.org/licenses/LGPL/2.1/>

*/



/*	Implement array.push for browsers which don't support it natively.

	Please remove this if it's already in other code */

if(Array.prototype.push == null){

	Array.prototype.push = function(){

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

			this[this.length] = arguments[i];

		};

		return this.length;

	};

};



/*	Event Cache uses an anonymous function to create a hidden scope chain.

	This is to prevent scoping issues. */

var EventCache = function(){

	var listEvents = [];

	

	return {

		listEvents : listEvents,

	

		add : function(node, sEventName, fHandler, bCapture){

			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]);

				};

				

				/* From this point on we need the event names to be prefixed with 'on" */

				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;

			};

		}

	};

}();