diff --git a/js/reveal.js b/js/reveal.js
index 75525da..78413f3 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -535,11 +535,12 @@ var Reveal = (function(){
 	 */
 	function activateOverview() {
 
+		// Only proceed if enabled in config
 		if( config.overview ) {
 		
 			dom.wrapper.classList.add( 'overview' );
 
-			var horizontalSlides = Array.prototype.slice.call( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
+			var horizontalSlides = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR );
 
 			for( var i = 0, len1 = horizontalSlides.length; i < len1; i++ ) {
 				var hslide = horizontalSlides[i],
@@ -558,7 +559,7 @@ var Reveal = (function(){
 					hslide.addEventListener( 'click', onOverviewSlideClicked, true );
 				}
 		
-				var verticalSlides = Array.prototype.slice.call( hslide.querySelectorAll( 'section' ) );
+				var verticalSlides = hslide.querySelectorAll( 'section' );
 
 				for( var j = 0, len2 = verticalSlides.length; j < len2; j++ ) {
 					var vslide = verticalSlides[j],
@@ -589,10 +590,12 @@ var Reveal = (function(){
 	 */
 	function deactivateOverview() {
 		
+		// Only proceed if enabled in config
 		if( config.overview ) {
 
 			dom.wrapper.classList.remove( 'overview' );
 
+			// Select all slides
 			var slides = Array.prototype.slice.call( document.querySelectorAll( '.reveal .slides section' ) );
 
 			for( var i = 0, len = slides.length; i < len; i++ ) {
@@ -833,6 +836,7 @@ var Reveal = (function(){
 			node.classList.remove( 'enabled' );
 		} );
 
+		// Add the 'enabled' class to the available routes
 		if( routes.left ) dom.controlsLeft.classList.add( 'enabled' );
 		if( routes.right ) dom.controlsRight.classList.add( 'enabled' );
 		if( routes.up ) dom.controlsUp.classList.add( 'enabled' );
@@ -985,6 +989,9 @@ var Reveal = (function(){
 		return false;
 	}
 
+	/**
+	 * Cues a new automated slide if enabled in the config.
+	 */
 	function cueAutoSlide() {
 		clearTimeout( autoSlideTimeout );
 
diff --git a/js/reveal.min.js b/js/reveal.min.js
index 621ce87..fb55ef7 100644
--- a/js/reveal.min.js
+++ b/js/reveal.min.js
@@ -34,15 +34,15 @@ if(ad>V.threshold&&Math.abs(ad)>Math.abs(ac)){V.handled=true;y();}else{if(ad<-V.
 r();}else{if(ac<-V.threshold){V.handled=true;C();}}}}}}ah.preventDefault();}}function R(ac){V.handled=false;}function m(ac){clearTimeout(w);w=setTimeout(function(){var ad=ac.detail||-ac.wheelDelta;
 if(ad>0){u();}else{T();}},100);}function t(ac){G();}function I(){if(O&&!("msPerspective" in document.body.style)){var ad=document.querySelectorAll(".reveal .slides section a:not(.image)");
 for(var ae=0,ac=ad.length;ae<ac;ae++){var af=ad[ae];if(af.textContent&&!af.querySelector("img")&&(!af.className||!af.classList.contains(af,"roll"))){af.classList.add("roll");
-af.innerHTML='<span data-title="'+af.text+'">'+af.innerHTML+"</span>";}}}}function F(){if(M.overview){d.wrapper.classList.add("overview");var ac=Array.prototype.slice.call(document.querySelectorAll(j));
+af.innerHTML='<span data-title="'+af.text+'">'+af.innerHTML+"</span>";}}}}function F(){if(M.overview){d.wrapper.classList.add("overview");var ac=document.querySelectorAll(j);
 for(var ah=0,af=ac.length;ah<af;ah++){var ae=ac[ah],al="translateZ(-2500px) translate("+((ah-k)*105)+"%, 0%)";ae.setAttribute("data-index-h",ah);ae.style.display="block";
 ae.style.WebkitTransform=al;ae.style.MozTransform=al;ae.style.msTransform=al;ae.style.OTransform=al;ae.style.transform=al;if(!ae.classList.contains("stack")){ae.addEventListener("click",z,true);
-}var ak=Array.prototype.slice.call(ae.querySelectorAll("section"));for(var ag=0,ad=ak.length;ag<ad;ag++){var aj=ak[ag],ai="translate(0%, "+((ag-(ah===k?c:0))*105)+"%)";
-aj.setAttribute("data-index-h",ah);aj.setAttribute("data-index-v",ag);aj.style.display="block";aj.style.WebkitTransform=ai;aj.style.MozTransform=ai;aj.style.msTransform=ai;
-aj.style.OTransform=ai;aj.style.transform=ai;aj.addEventListener("click",z,true);}}}}function X(){if(M.overview){d.wrapper.classList.remove("overview");
-var af=Array.prototype.slice.call(document.querySelectorAll(".reveal .slides section"));for(var ae=0,ac=af.length;ae<ac;ae++){var ad=af[ae];ad.style.WebkitTransform="";
-ad.style.MozTransform="";ad.style.msTransform="";ad.style.OTransform="";ad.style.transform="";ad.removeEventListener("click",z);}a();}}function U(){return d.wrapper.classList.contains("overview");
-}function z(ac){if(U()){ac.preventDefault();X();k=this.getAttribute("data-index-h");c=this.getAttribute("data-index-v");a();}}function aa(ad,af){var ah=Array.prototype.slice.call(document.querySelectorAll(ad)),ai=ah.length;
+}var ak=ae.querySelectorAll("section");for(var ag=0,ad=ak.length;ag<ad;ag++){var aj=ak[ag],ai="translate(0%, "+((ag-(ah===k?c:0))*105)+"%)";aj.setAttribute("data-index-h",ah);
+aj.setAttribute("data-index-v",ag);aj.style.display="block";aj.style.WebkitTransform=ai;aj.style.MozTransform=ai;aj.style.msTransform=ai;aj.style.OTransform=ai;
+aj.style.transform=ai;aj.addEventListener("click",z,true);}}}}function X(){if(M.overview){d.wrapper.classList.remove("overview");var af=Array.prototype.slice.call(document.querySelectorAll(".reveal .slides section"));
+for(var ae=0,ac=af.length;ae<ac;ae++){var ad=af[ae];ad.style.WebkitTransform="";ad.style.MozTransform="";ad.style.msTransform="";ad.style.OTransform="";
+ad.style.transform="";ad.removeEventListener("click",z);}a();}}function U(){return d.wrapper.classList.contains("overview");}function z(ac){if(U()){ac.preventDefault();
+X();k=this.getAttribute("data-index-h");c=this.getAttribute("data-index-v");a();}}function aa(ad,af){var ah=Array.prototype.slice.call(document.querySelectorAll(ad)),ai=ah.length;
 if(ai){if(M.loop){af%=ai;if(af<0){af=ai+af;}}af=Math.max(Math.min(af,ai-1),0);for(var ag=0;ag<ai;ag++){var ac=ah[ag];if(U()===false){var aj=Math.abs((af-ag)%(ai-3))||0;
 ac.style.display=aj>3?"none":"block";}ah[ag].classList.remove("past");ah[ag].classList.remove("present");ah[ag].classList.remove("future");if(ag<af){ah[ag].classList.add("past");
 }else{if(ag>af){ah[ag].classList.add("future");}}if(ac.querySelector("section")){ah[ag].classList.add("stack");}}ah[af].classList.add("present");var ae=ah[af].getAttribute("data-state");