onCarouselPageChanged() {
			clearTimeout(this._iCarouselTimeout);
			this._iCarouselTimeout = setTimeout(() => {
				const oWelcomeCarousel = this.byId("welcomeCarousel");
				if (oWelcomeCarousel) {
					oWelcomeCarousel.next();
					this.onCarouselPageChanged();
				}
			}, this._iCarouselLoopTime);
		}
clear previous animation and initialize the loop animation of the welcome carousel