diff --git a/js/reveal.js b/js/reveal.js
index a559090..5c658ad 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -129,6 +129,9 @@ var Reveal = (function(){
 		// A delay used to deactivate the overview mode
 		deactivateOverviewTimeout = 0,
 
+		// Flags if the interaction event listeners are bound
+		eventsAreBound = false,
+
 		// Holds information about the currently ongoing touch input
 		touch = {
 			startX: 0,
@@ -390,6 +393,8 @@ var Reveal = (function(){
 	 */
 	function addEventListeners() {
 
+		eventsAreBound = true;
+
 		window.addEventListener( 'hashchange', onWindowHashChange, false );
 		window.addEventListener( 'resize', onWindowResize, false );
 
@@ -424,6 +429,8 @@ var Reveal = (function(){
 	 */
 	function removeEventListeners() {
 
+		eventsAreBound = false;
+
 		document.removeEventListener( 'keydown', onDocumentKeyDown, false );
 		window.removeEventListener( 'hashchange', onWindowHashChange, false );
 		window.removeEventListener( 'resize', onWindowResize, false );
@@ -1801,7 +1808,7 @@ var Reveal = (function(){
 
 		// TODO There's a bug here where the event listeners are not
 		// removed after deactivating the overview.
-		if( isOverview() ) {
+		if( eventsAreBound && isOverview() ) {
 			event.preventDefault();
 
 			deactivateOverview();
diff --git a/js/reveal.min.js b/js/reveal.min.js
index e1fb8aa..a37d1ff 100644
--- a/js/reveal.min.js
+++ b/js/reveal.min.js
@@ -1,8 +1,8 @@
 /*!
- * reveal.js 2.3 (2013-02-24, 00:42)
+ * reveal.js 2.3 (2013-02-24, 00:51)
  * http://lab.hakim.se/reveal-js
  * MIT licensed
  *
  * Copyright (C) 2013 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(){/iphone|ipod|android/gi.test(navigator.userAgent)&&!/crios/gi.test(navigator.userAgent)&&(window.addEventListener("load",_,!1),window.addEventListener("orientationchange",_,!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(){D("ready",{indexh:o,indexv:u,currentSlide:f})},1)}function C(e){h.wrapper.classList.remove(i.transition),typeof e=="object"&&A(i,e),p===!1&&(i.transition="linear"),h.wrapper.classList.add(i.transition),h.controls.style.display=i.controls&&h.controls?"block":"none",h.progress.style.display=i.progress&&h.progress?"block":"none",h.wrapper.classList.toggle("rtl",i.rtl),h.wrapper.classList.toggle("center",i.center),i.mouseWheel?(document.addEventListener("DOMMouseScroll",mt,!1),document.addEventListener("mousewheel",mt,!1)):(document.removeEventListener("DOMMouseScroll",mt,!1),document.removeEventListener("mousewheel",mt,!1)),i.rollingLinks?P():H();if(i.theme&&h.theme){var t=h.theme.getAttribute("href"),n=/[^\/]*?(?=\.css)/,r=t.match(n)[0];i.theme!==r&&(t=t.replace(n,i.theme),h.theme.setAttribute("href",t))}}function k(){window.addEventListener("hashchange",Tt,!1),window.addEventListener("resize",Nt,!1),i.touch&&(document.addEventListener("touchstart",pt,!1),document.addEventListener("touchmove",dt,!1),document.addEventListener("touchend",vt,!1)),i.keyboard&&document.addEventListener("keydown",ht,!1),i.progress&&h.progress&&h.progress.addEventListener("click",gt,!1);if(i.controls&&h.controls){var e="ontouchstart"in window&&window.ontouchstart!=null?"touchstart":"click";h.controlsLeft.forEach(function(t){t.addEventListener(e,yt,!1)}),h.controlsRight.forEach(function(t){t.addEventListener(e,bt,!1)}),h.controlsUp.forEach(function(t){t.addEventListener(e,wt,!1)}),h.controlsDown.forEach(function(t){t.addEventListener(e,Et,!1)}),h.controlsPrev.forEach(function(t){t.addEventListener(e,St,!1)}),h.controlsNext.forEach(function(t){t.addEventListener(e,xt,!1)})}}function L(){document.removeEventListener("keydown",ht,!1),window.removeEventListener("hashchange",Tt,!1),window.removeEventListener("resize",Nt,!1),i.touch&&(document.removeEventListener("touchstart",pt,!1),document.removeEventListener("touchmove",dt,!1),document.removeEventListener("touchend",vt,!1)),i.progress&&h.progress&&h.progress.removeEventListener("click",gt,!1);if(i.controls&&h.controls){var e="ontouchstart"in window&&window.ontouchstart!=null?"touchstart":"click";h.controlsLeft.forEach(function(t){t.removeEventListener(e,yt,!1)}),h.controlsRight.forEach(function(t){t.removeEventListener(e,bt,!1)}),h.controlsUp.forEach(function(t){t.removeEventListener(e,wt,!1)}),h.controlsDown.forEach(function(t){t.removeEventListener(e,Et,!1)}),h.controlsPrev.forEach(function(t){t.removeEventListener(e,St,!1)}),h.controlsNext.forEach(function(t){t.removeEventListener(e,xt,!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 _(){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 D(e,t){var n=document.createEvent("HTMLEvents",1,2);n.initEvent(e,!0,!0),A(n,t),h.wrapper.dispatchEvent(n)}function 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h.slides.style.zoom!="undefined"&&!navigator.userAgent.match(/(iphone|ipod|ipad|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}var u=O(document.querySelectorAll(e));for(var a=0,f=u.length;a<f;a++){var l=u[a];if(l.style.display==="none")continue;i.center?l.classList.contains("stack")?l.style.top=0:l.style.top=Math.max(-(l.offsetHeight/2)-20,-s/2)+"px":l.style.top=""}}}function j(e,t){e&&e.setAttribute("data-previous-indexv",t||0)}function F(e){return e&&e.classList.contains("stack")?parseInt(e.getAttribute("data-previous-indexv")||0,10):0}function I(){if(i.overview){st();var e=h.wrapper.classList.contains("overview");h.wrapper.classList.add("overview"),h.wrapper.classList.remove("exit-overview"),clearTimeout(y),clearTimeout(b),y=setTimeout(function(){var n=document.querySelectorAll(t);for(var r=0,i=n.length;r<i;r++){var s=n[r],a="translateZ(-2500px) translate("+(r-o)*105+"%, 0%)";s.setAttribute("data-index-h",r),s.style.display="block",s.style.WebkitTransform=a,s.style.MozTransform=a,s.style.msTransform=a,s.style.OTransform=a,s.style.transform=a;if(s.classList.contains("stack")){var l=s.querySelectorAll("section");for(var c=0,h=l.length;c<h;c++){var p=r===o?u:F(s),d=l[c],v="translate(0%, "+(c-p)*105+"%)";d.setAttribute("data-index-h",r),d.setAttribute("data-index-v",c),d.style.display="block",d.style.WebkitTransform=v,d.style.MozTransform=v,d.style.msTransform=v,d.style.OTransform=v,d.style.transform=v,d.addEventListener("click",Ct,!0)}}else s.addEventListener("click",Ct,!0)}B(),e||D("overviewshown",{indexh:o,indexv:u,currentSlide:f})},10)}}function 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t=e.detail||-e.wheelDelta;t>0?ct():lt()},100)}function gt(e){e.preventDefault();var n=O(document.querySelectorAll(t)).length,r=Math.floor(e.clientX/h.wrapper.offsetWidth*n);J(r)}function yt(e){e.preventDefault(),ot()}function bt(e){e.preventDefault(),ut()}function wt(e){e.preventDefault(),at()}function Et(e){e.preventDefault(),ft()}function St(e){e.preventDefault(),lt()}function xt(e){e.preventDefault(),ct()}function Tt(e){Z()}function Nt(e){B()}function Ct(e){if(U()){e.preventDefault(),q();var t=e.target;while(t&&!t.nodeName.match(/section/gi))t=t.parentNode;if(t.nodeName.match(/section/gi)){var n=parseInt(t.getAttribute("data-index-h"),10),r=parseInt(t.getAttribute("data-index-v"),10);J(n,r)}}}var e=".reveal .slides section",t=".reveal .slides>section",n=".reveal .slides>section.present>section",r=".reveal 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document.body.style,v=0,m=0,g=0,y=0,b=0,w={startX:0,startY:0,startSpan:0,startCount:0,handled:!1,threshold:80};return{initialize:E,configure:C,slide:J,left:ot,right:ut,up:at,down:ft,prev:lt,next:ct,prevFragment:rt,nextFragment:nt,navigateTo:J,navigateLeft:ot,navigateRight:ut,navigateUp:at,navigateDown:ft,navigatePrev:lt,navigateNext:ct,layout:B,toggleOverview:R,togglePause:V,isOverview:U,isPaused:$,addEventListeners:k,removeEventListeners:L,getIndices:tt,getSlide:function(e,n){var r=document.querySelectorAll(t)[e],i=r&&r.querySelectorAll("section");return typeof n!="undefined"?i?i[n]:undefined:r},getPreviousSlide:function(){return a},getCurrentSlide:function(){return f},getScale:function(){return c},getQueryHash:function(){var e={};return location.search.replace(/[A-Z0-9]+?=(\w*)/gi,function(t){e[t.split("=").shift()]=t.split("=").pop()}),e},isFirstSlide:function(){return document.querySelector(e+".past")==null?!0:!1},isLastSlide:function(){return f&&f.classList.contains(".stack")?f.querySelector(e+".future")==null?!0:!1:document.querySelector(e+".future")==null?!0:!1},addEventListener:function(e,t,n){"addEventListener"in window&&(h.wrapper||document.querySelector(".reveal")).addEventListener(e,t,n)},removeEventListener:function(e,t,n){"addEventListener"in window&&(h.wrapper||document.querySelector(".reveal")).removeEventListener(e,t,n)}}}();
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