		}

					}

					function _updatePacing(diff) {

						getTimeAllocated( timings, function ( slideEndTimingSeconds ) {
							var slideEndTiming = slideEndTimingSeconds * 1000;

							callRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {
								var currentSlideTiming = timings[currentSlide] * 1000;
								var timeLeftCurrentSlide = slideEndTiming - diff;
								if (timeLeftCurrentSlide < 0) {
									pacingEl.className = 'pacing behind';
								}
								else if (timeLeftCurrentSlide < 