this one.
				 */
				function getTimeAllocated(timings) {

					var slides = Reveal.getSlides();
					var allocated = 0;
					var currentSlide = Reveal.getSlidePastCount();
					for (var i in slides.slice(0, currentSlide + 1)) {
						allocated += timings[i];
					}
					return allocated;

				}

				/**
				 * Create the timer and clock and start updating them
				 * at an interval.
				 */
				function setupTimer() {

					var start = new Date(),
					timeEl = document.querySelector( '.speaker-controls-t