diff --git a/js/reveal.js b/js/reveal.js
index 8092526..6553c8a 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -404,17 +404,17 @@ var Reveal = (function(){
 		}
 
 		if ( config.progress && dom.progress ) {
-			dom.progress.addEventListener( 'click', preventAndForward( onProgressClick ), false );
+			dom.progress.addEventListener( 'click', onProgressClicked, false );
 		}
 
 		if ( config.controls && dom.controls ) {
 			var actionEvent = 'ontouchstart' in window ? 'touchstart' : 'click';
-			dom.controlsLeft.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigateLeft ), false ); } );
-			dom.controlsRight.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigateRight ), false ); } );
-			dom.controlsUp.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigateUp ), false ); } );
-			dom.controlsDown.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigateDown ), false ); } );
-			dom.controlsPrev.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigatePrev ), false ); } );
-			dom.controlsNext.forEach( function( el ) { el.addEventListener( actionEvent, preventAndForward( navigateNext ), false ); } );
+			dom.controlsLeft.forEach( function( el ) { el.addEventListener( actionEvent, onNavigateLeftClicked, false ); } );
+			dom.controlsRight.forEach( function( el ) { el.addEventListener( actionEvent, onNavigateRightClicked, false ); } );
+			dom.controlsUp.forEach( function( el ) { el.addEventListener( actionEvent, onNavigateUpClicked, false ); } );
+			dom.controlsDown.forEach( function( el ) { el.addEventListener( actionEvent, onNavigateDownClicked, false ); } );
+			dom.controlsPrev.forEach( function( el ) { el.addEventListener( actionEvent, onNavigatePrevClicked, false ); } );
+			dom.controlsNext.forEach( function( el ) { el.addEventListener( actionEvent, onNavigateNextClicked, false ); } );
 		}
 
 	}
@@ -435,17 +435,17 @@ var Reveal = (function(){
 		}
 
 		if ( config.progress && dom.progress ) {
-			dom.progress.removeEventListener( 'click', preventAndForward( onProgressClick ), false );
+			dom.progress.removeEventListener( 'click', onProgressClicked, false );
 		}
 
 		if ( config.controls && dom.controls ) {
 			var actionEvent = 'ontouchstart' in window ? 'touchstart' : 'click';
-			dom.controlsLeft.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigateLeft ), false ); } );
-			dom.controlsRight.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigateRight ), false ); } );
-			dom.controlsUp.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigateUp ), false ); } );
-			dom.controlsDown.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigateDown ), false ); } );
-			dom.controlsPrev.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigatePrev ), false ); } );
-			dom.controlsNext.forEach( function( el ) { el.removeEventListener( actionEvent, preventAndForward( navigateNext ), false ); } );
+			dom.controlsLeft.forEach( function( el ) { el.removeEventListener( actionEvent, onNavigateLeftClicked, false ); } );
+			dom.controlsRight.forEach( function( el ) { el.removeEventListener( actionEvent, onNavigateRightClicked, false ); } );
+			dom.controlsUp.forEach( function( el ) { el.removeEventListener( actionEvent, onNavigateUpClicked, false ); } );
+			dom.controlsDown.forEach( function( el ) { el.removeEventListener( actionEvent, onNavigateDownClicked, false ); } );
+			dom.controlsPrev.forEach( function( el ) { el.removeEventListener( actionEvent, onNavigatePrevClicked, false ); } );
+			dom.controlsNext.forEach( function( el ) { el.removeEventListener( actionEvent, onNavigateNextClicked, false ); } );
 		}
 
 	}
@@ -487,22 +487,6 @@ var Reveal = (function(){
 
 	}
 
-	/**
-	 * Prevents an events defaults behavior calls the
-	 * specified delegate.
-	 *
-	 * @param {Function} delegate The method to call
-	 * after the wrapper has been executed
-	 */
-	function preventAndForward( delegate ) {
-
-		return function( event ) {
-			event.preventDefault();
-			delegate.call( null, event );
-		};
-
-	}
-
 	/**
 	 * Causes the address bar to hide on mobile devices,
 	 * more vertical space ftw.
@@ -1733,7 +1717,9 @@ var Reveal = (function(){
 	 *
 	 * ( clickX / presentationWidth ) * numberOfSlides
 	 */
-	function onProgressClick( event ) {
+	function onProgressClicked( event ) {
+
+		event.preventDefault();
 
 		var slidesTotal = toArray( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).length;
 		var slideIndex = Math.floor( ( event.clientX / dom.wrapper.offsetWidth ) * slidesTotal );
@@ -1742,6 +1728,16 @@ var Reveal = (function(){
 
 	}
 
+	/**
+	 * Event handles for navigation control buttons.
+	 */
+	function onNavigateLeftClicked( event ) { event.preventDefault(); navigateLeft(); }
+	function onNavigateRightClicked( event ) { event.preventDefault(); navigateRight(); }
+	function onNavigateUpClicked( event ) { event.preventDefault(); navigateUp(); }
+	function onNavigateDownClicked( event ) { event.preventDefault(); navigateDown(); }
+	function onNavigatePrevClicked( event ) { event.preventDefault(); navigatePrev(); }
+	function onNavigateNextClicked( event ) { event.preventDefault(); navigateNext(); }
+
 	/**
 	 * Handler for the window level 'hashchange' event.
 	 */
diff --git a/js/reveal.min.js b/js/reveal.min.js
index ef610a9..f8df131 100644
--- a/js/reveal.min.js
+++ b/js/reveal.min.js
@@ -1,8 +1,8 @@
 /*!
- * reveal.js 2.3 (2013-02-03, 01:31)
+ * reveal.js 2.3 (2013-02-03, 01:59)
  * http://lab.hakim.se/reveal-js
  * MIT licensed
  *
  * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
  */
-var Reveal=function(){"use strict";function E(e){if(!d&&!p){document.body.setAttribute("class","no-transforms");return}window.addEventListener("load",B,!1),A(i,e),x(),T()}function S(){h.theme=document.querySelector("#theme"),h.wrapper=document.querySelector(".reveal"),h.slides=document.querySelector(".reveal .slides");if(!h.wrapper.querySelector(".progress")&&i.progress){var e=document.createElement("div");e.classList.add("progress"),e.innerHTML="<span></span>",h.wrapper.appendChild(e)}if(!h.wrapper.querySelector(".controls")&&i.controls){var t=document.createElement("aside");t.classList.add("controls"),t.innerHTML='<div class="navigate-left"></div><div class="navigate-right"></div><div class="navigate-up"></div><div class="navigate-down"></div>',h.wrapper.appendChild(t)}if(!h.wrapper.querySelector(".state-background")){var n=document.createElement("div");n.classList.add("state-background"),h.wrapper.appendChild(n)}if(!h.wrapper.querySelector(".pause-overlay")){var r=document.createElement("div");r.classList.add("pause-overlay"),h.wrapper.appendChild(r)}h.progress=document.querySelector(".reveal .progress"),h.progressbar=document.querySelector(".reveal .progress span"),i.controls&&(h.controls=document.querySelector(".reveal .controls"),h.controlsLeft=O(document.querySelectorAll(".navigate-left")),h.controlsRight=O(document.querySelectorAll(".navigate-right")),h.controlsUp=O(document.querySelectorAll(".navigate-up")),h.controlsDown=O(document.querySelectorAll(".navigate-down")),h.controlsPrev=O(document.querySelectorAll(".navigate-prev")),h.controlsNext=O(document.querySelectorAll(".navigate-next")))}function x(){navigator.userAgent.match(/(iphone|ipod)/i)&&(window.addEventListener("load",D,!1),window.addEventListener("orientationchange",D,!1))}function T(){function o(){t.length&&head.js.apply(null,t),N()}var e=[],t=[];for(var n=0,r=i.dependencies.length;n<r;n++){var s=i.dependencies[n];if(!s.condition||s.condition())s.async?t.push(s.src):e.push(s.src),typeof s.callback=="function"&&head.ready(s.src.match(/([\w\d_\-]*)\.?js$|[^\\\/]*$/i)[0],s.callback)}e.length?(head.ready(o),head.js.apply(null,e)):o()}function N(){S(),k(),C(),B(),Z(),it(),setTimeout(function(){P("ready",{indexh:o,indexv:u,currentSlide:f})},1)}function C(){p===!1&&(i.transition="linear"),i.controls&&h.controls&&(h.controls.style.display="block"),i.progress&&h.progress&&(h.progress.style.display="block"),i.transition!=="default"&&h.wrapper.classList.add(i.transition),i.rtl&&h.wrapper.classList.add("rtl"),i.center&&h.wrapper.classList.add("center"),i.mouseWheel&&(document.addEventListener("DOMMouseScroll",vt,!1),document.addEventListener("mousewheel",vt,!1)),i.rollingLinks&&H();if(i.theme&&h.theme){var e=h.theme.getAttribute("href"),t=/[^\/]*?(?=\.css)/,n=e.match(t)[0];i.theme!==n&&(e=e.replace(t,i.theme),h.theme.setAttribute("href",e))}}function k(){window.addEventListener("hashchange",gt,!1),window.addEventListener("resize",yt,!1),i.touch&&(document.addEventListener("touchstart",ht,!1),document.addEventListener("touchmove",pt,!1),document.addEventListener("touchend",dt,!1)),i.keyboard&&document.addEventListener("keydown",ct,!1),i.progress&&h.progress&&h.progress.addEventListener("click",_(mt),!1);if(i.controls&&h.controls){var e="ontouchstart"in window?"touchstart":"click";h.controlsLeft.forEach(function(t){t.addEventListener(e,_(st),!1)}),h.controlsRight.forEach(function(t){t.addEventListener(e,_(ot),!1)}),h.controlsUp.forEach(function(t){t.addEventListener(e,_(ut),!1)}),h.controlsDown.forEach(function(t){t.addEventListener(e,_(at),!1)}),h.controlsPrev.forEach(function(t){t.addEventListener(e,_(ft),!1)}),h.controlsNext.forEach(function(t){t.addEventListener(e,_(lt),!1)})}}function L(){document.removeEventListener("keydown",ct,!1),window.removeEventListener("hashchange",gt,!1),window.removeEventListener("resize",yt,!1),i.touch&&(document.removeEventListener("touchstart",ht,!1),document.removeEventListener("touchmove",pt,!1),document.removeEventListener("touchend",dt,!1)),i.progress&&h.progress&&h.progress.removeEventListener("click",_(mt),!1);if(i.controls&&h.controls){var e="ontouchstart"in window?"touchstart":"click";h.controlsLeft.forEach(function(t){t.removeEventListener(e,_(st),!1)}),h.controlsRight.forEach(function(t){t.removeEventListener(e,_(ot),!1)}),h.controlsUp.forEach(function(t){t.removeEventListener(e,_(ut),!1)}),h.controlsDown.forEach(function(t){t.removeEventListener(e,_(at),!1)}),h.controlsPrev.forEach(function(t){t.removeEventListener(e,_(ft),!1)}),h.controlsNext.forEach(function(t){t.removeEventListener(e,_(lt),!1)})}}function A(e,t){for(var n in t)e[n]=t[n]}function O(e){return Array.prototype.slice.call(e)}function M(e,t){var n=e.x-t.x,r=e.y-t.y;return Math.sqrt(n*n+r*r)}function _(e){return function(t){t.preventDefault(),e.call(null,t)}}function D(){window.orientation===0?(document.documentElement.style.overflow="scroll",document.body.style.height="120%"):(document.documentElement.style.overflow="",document.body.style.height="100%"),setTimeout(function(){window.scrollTo(0,1)},10)}function P(e,t){var n=document.createEvent("HTMLEvents",1,2);n.initEvent(e,!0,!0),A(n,t),h.wrapper.dispatchEvent(n)}function H(){if(p&&!("msPerspective"in document.body.style)){var t=document.querySelectorAll(e+" a:not(.image)");for(var n=0,r=t.length;n<r;n++){var i=t[n];if(i.textContent&&!i.querySelector("*")&&(!i.className||!i.classList.contains(i,"roll"))){var s=document.createElement("span");s.setAttribute("data-title",i.text),s.innerHTML=i.innerHTML,i.classList.add("roll"),i.innerHTML="",i.appendChild(s)}}}}function B(){var t=h.wrapper.offsetWidth,n=h.wrapper.offsetHeight;t-=n*i.margin,n-=n*i.margin;var r=i.width,s=i.height;typeof r=="string"&&/%$/.test(r)&&(r=parseInt(r,10)/100*t),typeof s=="string"&&/%$/.test(s)&&(s=parseInt(s,10)/100*n),h.slides.style.width=r+"px",h.slides.style.height=s+"px",c=Math.min(t/r,n/s),c=Math.max(c,i.minScale),c=Math.min(c,i.maxScale);if(typeof h.slides.style.zoom!="undefined"&&!navigator.userAgent.match(/(iphone|ipod|android)/gi))h.slides.style.zoom=c;else{var o="translate(-50%, -50%) scale("+c+") translate(50%, 50%)";h.slides.style.WebkitTransform=o,h.slides.style.MozTransform=o,h.slides.style.msTransform=o,h.slides.style.OTransform=o,h.slides.style.transform=o}if(i.center){var u=O(document.querySelectorAll(e)),a=-s/2;for(var f=0,l=u.length;f<l;f++){var p=u[f];if(p.style.display==="none")continue;p.classList.contains("stack")?p.style.top=0:p.style.top=Math.max(-(p.offsetHeight/2)-20,a)+"px"}}}function j(e,t){e&&e.setAttribute("data-previous-indexv",t||0)}function F(e){return 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