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/*!
* reveal.js 2.3.0 (2013-03-08, 19:28)
* 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){return At||St?(window.addEventListener("load",h,!1),c(ht,e),n(),r(),void 0):(document.body.setAttribute("class","no-transforms"),void 0)}function t(){if(Et.theme=document.querySelector("#theme"),Et.wrapper=document.querySelector(".reveal"),Et.slides=document.querySelector(".reveal .slides"),!Et.wrapper.querySelector(".progress")&&ht.progress){var e=document.createElement("div");e.classList.add("progress"),e.innerHTML="<span></span>",Et.wrapper.appendChild(e)}if(!Et.wrapper.querySelector(".controls")&&ht.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>',Et.wrapper.appendChild(t)}if(!Et.wrapper.querySelector(".state-background")){var n=document.createElement("div");n.classList.add("state-background"),Et.wrapper.appendChild(n)}if(!Et.wrapper.querySelector(".pause-overlay")){var r=document.createElement("div");r.classList.add("pause-overlay"),Et.wrapper.appendChild(r)}Et.progress=document.querySelector(".reveal .progress"),Et.progressbar=document.querySelector(".reveal .progress span"),ht.controls&&(Et.controls=document.querySelector(".reveal .controls"),Et.controlsLeft=l(document.querySelectorAll(".navigate-left")),Et.controlsRight=l(document.querySelectorAll(".navigate-right")),Et.controlsUp=l(document.querySelectorAll(".navigate-up")),Et.controlsDown=l(document.querySelectorAll(".navigate-down")),Et.controlsPrev=l(document.querySelectorAll(".navigate-prev")),Et.controlsNext=l(document.querySelectorAll(".navigate-next")))}function n(){/iphone|ipod|android/gi.test(navigator.userAgent)&&!/crios/gi.test(navigator.userAgent)&&(window.addEventListener("load",u,!1),window.addEventListener("orientationchange",u,!1))}function r(){function e(){n.length&&head.js.apply(null,n),o()}for(var t=[],n=[],r=0,s=ht.dependencies.length;s>r;r++){var a=ht.dependencies[r];(!a.condition||a.condition())&&(a.async?n.push(a.src):t.push(a.src),"function"==typeof a.callback&&head.ready(a.src.match(/([\w\d_\-]*)\.?js$|[^\\\/]*$/i)[0],a.callback))}t.length?(head.ready(e),head.js.apply(null,t)):e()}function o(){t(),a(),s(),O(),setTimeout(function(){v("ready",{indexh:gt,indexv:wt,currentSlide:ut})},1)}function s(e){if(Et.wrapper.classList.remove(ht.transition),"object"==typeof e&&c(ht,e),St===!1&&(ht.transition="linear"),Et.wrapper.classList.add(ht.transition),Et.controls&&(Et.controls.style.display=ht.controls&&Et.controls?"block":"none"),Et.progress&&(Et.progress.style.display=ht.progress&&Et.progress?"block":"none"),ht.rtl?Et.wrapper.classList.add("rtl"):Et.wrapper.classList.remove("rtl"),ht.center?Et.wrapper.classList.add("center"):Et.wrapper.classList.remove("center"),ht.mouseWheel?(document.addEventListener("DOMMouseScroll",J,!1),document.addEventListener("mousewheel",J,!1)):(document.removeEventListener("DOMMouseScroll",J,!1),document.removeEventListener("mousewheel",J,!1)),ht.rollingLinks?f():p(),ht.theme&&Et.theme){var t=Et.theme.getAttribute("href"),n=/[^\/]*?(?=\.css)/,r=t.match(n)[0];ht.theme!==r&&(t=t.replace(n,ht.theme),Et.theme.setAttribute("href",t))}h(),yt=ht.autoSlide,I()}function a(){Pt=!0,window.addEventListener("hashchange",it,!1),window.addEventListener("resize",ct,!1),ht.touch&&(Et.wrapper.addEventListener("touchstart",$,!1),Et.wrapper.addEventListener("touchmove",Z,!1),Et.wrapper.addEventListener("touchend",Q,!1),window.navigator.msPointerEnabled&&(Et.wrapper.addEventListener("MSPointerDown",V,!1),Et.wrapper.addEventListener("MSPointerMove",B,!1),Et.wrapper.addEventListener("MSPointerUp",G,!1))),ht.keyboard&&document.addEventListener("keydown",K,!1),ht.progress&&Et.progress&&Et.progress.addEventListener("click",et,!1),ht.controls&&Et.controls&&["touchstart","click"].forEach(function(e){Et.controlsLeft.forEach(function(t){t.addEventListener(e,tt,!1)}),Et.controlsRight.forEach(function(t){t.addEventListener(e,nt,!1)}),Et.controlsUp.forEach(function(t){t.addEventListener(e,rt,!1)}),Et.controlsDown.forEach(function(t){t.addEventListener(e,ot,!1)}),Et.controlsPrev.forEach(function(t){t.addEventListener(e,st,!1)}),Et.controlsNext.forEach(function(t){t.addEventListener(e,at,!1)})})}function i(){Pt=!1,document.removeEventListener("keydown",K,!1),window.removeEventListener("hashchange",it,!1),window.removeEventListener("resize",ct,!1),ht.touch&&(Et.wrapper.removeEventListener("touchstart",$,!1),Et.wrapper.removeEventListener("touchmove",Z,!1),Et.wrapper.removeEventListener("touchend",Q,!1),window.navigator.msPointerEnabled&&(Et.wrapper.removeEventListener("MSPointerDown",V,!1),Et.wrapper.removeEventListener("MSPointerMove",B,!1),Et.wrapper.removeEventListener("MSPointerUp",G,!1))),ht.progress&&Et.progress&&Et.progress.removeEventListener("click",et,!1),ht.controls&&Et.controls&&["touchstart","click"].forEach(function(e){Et.controlsLeft.forEach(function(t){t.removeEventListener(e,tt,!1)}),Et.controlsRight.forEach(function(t){t.removeEventListener(e,nt,!1)}),Et.controlsUp.forEach(function(t){t.removeEventListener(e,rt,!1)}),Et.controlsDown.forEach(function(t){t.removeEventListener(e,ot,!1)}),Et.controlsPrev.forEach(function(t){t.removeEventListener(e,st,!1)}),Et.controlsNext.forEach(function(t){t.removeEventListener(e,at,!1)})})}function c(e,t){for(var n in t)e[n]=t[n]}function l(e){return Array.prototype.slice.call(e)}function d(e,t){var n=e.x-t.x,r=e.y-t.y;return Math.sqrt(n*n+r*r)}function u(){0===window.orientation?(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 v(e,t){var n=document.createEvent("HTMLEvents",1,2);n.initEvent(e,!0,!0),c(n,t),Et.wrapper.dispatchEvent(n)}function f(){if(St&&!("msPerspective"in document.body.style))for(var e=document.querySelectorAll(vt+" a:not(.image)"),t=0,n=e.length;n>t;t++){var r=e[t];if(!(!r.textContent||r.querySelector("*")||r.className&&r.classList.contains(r,"roll"))){var o=document.createElement("span");o.setAttribute("data-title",r.text),o.innerHTML=r.innerHTML,r.classList.add("roll"),r.innerHTML="",r.appendChild(o)}}}function p(){for(var e=document.querySelectorAll(vt+" 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0===t&&(t=g(o[e])),dt&&dt.parentNode&&dt.parentNode.classList.contains("stack")&&y(dt.parentNode,wt);var s=Lt.concat();Lt.length=0;var a=gt,i=wt;gt=M(ft,void 0===e?gt:e),wt=M(pt,void 0===t?wt:t),h();e:for(var c=0,d=Lt.length;d>c;c++){for(var u=0;s.length>u;u++)if(s[u]===Lt[c]){s.splice(u,1);continue e}document.documentElement.classList.add(Lt[c]),v(Lt[c])}for(;s.length;)document.documentElement.classList.remove(s.pop());E()&&w(),C(1500);var f=o[gt],p=f.querySelectorAll("section");if(ut=p[wt]||f,n!==void 0){var L=m(ut.querySelectorAll(".fragment"));l(L).forEach(function(e,t){n>t?e.classList.add("visible"):e.classList.remove("visible")})}gt!==a||wt!==i?v("slidechanged",{indexh:gt,indexv:wt,previousSlide:dt,currentSlide:ut,origin:r}):dt=null,dt&&(dt.classList.remove("present"),document.querySelector(mt).classList.contains("present")&&setTimeout(function(){var e,t=l(document.querySelectorAll(ft+".stack"));for(e in t)t[e]&&y(t[e],0)},0)),D(),P()}function M(e,t){var n=l(document.querySelectorAll(e)),r=n.length;if(r){ht.loop&&(t%=r,0>t&&(t=r+t)),t=Math.max(Math.min(t,r-1),0);for(var o=0;r>o;o++){var s=n[o];if(E()===!1){var a=Math.abs((t-o)%(r-3))||0;s.style.display=a>3?"none":"block"}n[o].classList.remove("past"),n[o].classList.remove("present"),n[o].classList.remove("future"),t>o?n[o].classList.add("past"):o>t&&n[o].classList.add("future"),s.querySelector("section")&&n[o].classList.add("stack")}n[t].classList.add("present");var i=n[t].getAttribute("data-state");i&&(Lt=Lt.concat(i.split(" ")));var c=n[t].getAttribute("data-autoslide");yt=c?parseInt(c,10):ht.autoSlide}else t=0;return t}function P(){if(ht.progress&&Et.progress){var e=l(document.querySelectorAll(ft)),t=document.querySelectorAll(vt+":not(.stack)").length,n=0;e:for(var r=0;e.length>r;r++){for(var o=e[r],s=l(o.querySelectorAll("section")),a=0;s.length>a;a++){if(s[a].classList.contains("present"))break 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location.search.replace(/[A-Z0-9]+?=(\w*)/gi,function(t){e[t.split("=").shift()]=t.split("=").pop()}),e},isFirstSlide:function(){return null==document.querySelector(vt+".past")?!0:!1},isLastSlide:function(){return ut&&ut.classList.contains(".stack")?null==ut.querySelector(vt+".future")?!0:!1:null==document.querySelector(vt+".future")?!0:!1},addEventListener:function(e,t,n){"addEventListener"in window&&(Et.wrapper||document.querySelector(".reveal")).addEventListener(e,t,n)},removeEventListener:function(e,t,n){"addEventListener"in window&&(Et.wrapper||document.querySelector(".reveal")).removeEventListener(e,t,n)}}}();