var _mc:MovieClip = new MovieClip();
trace(_mc.root);
addChild(_mc);
trace(_mc.root);

package {

	import flash.events.Event;
	import flash.events.EventDispatcher;

	public class StaticValue {
		private static var _init:Boolean = false;
		private static var _value:Number;
		private static var _dispatcher:EventDispatcher = new EventDispatcher();

		private static function _initialize():Boolean {
			_value = 0;
			return true;
		}
		private static var _initializer:Boolean = _initialize();

		private static function _dispatchEvent(type:String):void {
			if (_dispatcher.hasEventListener(type)) {
				_dispatcher.dispatchEvent(new Event(type));
			}
		}

		public static function getValue():Number {
			return _value;
		}
		
		public static function setValue(value:Number):void {
			if (_value == value) return;
			_value = value;
			_dispatchEvent(Event.CHANGE);
		}
		
		//
		// Methods for EventDispatcher
		//
		public static function addEventListener(type:String, listener:Function):void {
			_dispatcher.addEventListener(type, listener, false, 0, false);
		}

		public static function removeEventListener(type:String, listener:Function):void {
			_dispatcher.removeEventListener(type, listener, false);
		}

		public static function dispatchEvent(event:Event):Boolean {
			return _dispatcher.dispatchEvent(event);
		}

		public static function hasEventListener(type:String):Boolean {
			return _dispatcher.hasEventListener(type);
		}

	}
}