drag scroll

var leftX:int = -3000;
				var rightX:int = stage.stageWidth + 2000;
				//_pressHolder.addEventListener(MouseEvent.MOUSE_DOWN, onDown);
				//_pressHolder.addEventListener(MouseEvent.MOUSE_UP, onUp);
				function onDown(e:MouseEvent):void
				{
					var constrainY:Rectangle = new Rectangle(leftX,e.currentTarget.y,rightX,0);
					e.currentTarget.startDrag(false, constrainY);
				}
				function onUp(e:MouseEvent):void
				{
					e.currentTarget.stopDrag();
				}