function resetTracker() {
			var hoverSeries = chart.hoverSeries,
				hoverPoint = chart.hoverPoint;

			if (hoverPoint) {
				hoverPoint.onMouseOut();
			}

			if (hoverSeries) {
				hoverSeries.onMouseOut();
			}

			if (tooltip) {
				tooltip.hide();
				tooltip.hideCrosshairs();
			}

			hoverX = null;
		}
Reset the tracking by hiding the tooltip, the hover series state and the hover point