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(function () {
	var nextGuid = 1;
	
	this.addEvent = function (elem, type, fn) {
		if (!data.handlers) { data.handlers = {}; }
		if (!data.handlers[type]) { data.handlers[type] = []; }
		if (!fn.guid) { fn.guid = nextGuid++; }
		
		data.handlers[type].push(fn);
		
		if (!data.dispatcher) {
			data.disabled = false;
			data.dispatcher = function (event) {
				if (data.disabled) { return; }
				event = fixEvent(event);
				
				var handlers = data.handlers[event.type];
				if (handlers) {
					for (var n = 0; n < handlers.length; n++) {
						handlers[n].call(elem, event);
					}
				}
			};
		}
		
		if (data.handlers[type].length === 1) {
			if (document.addEventListener) {
				elem.addEventListener(type, data.dispatcher, false);
			} else if (document.attachEvent) {
				elem.attachEvent("on" + type, data.dispatcher);
			}
		}
	};
}());