/*!
 * reveal.js 2.2 r39
 * http://lab.hakim.se/reveal-js
 * MIT licensed
 *
 * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
 */
var Reveal=(function(){var m=".reveal .slides>section",b=".reveal .slides>section.present>section",U={controls:true,progress:true,history:false,keyboard:true,overview:true,center:false,loop:false,autoSlide:0,mouseWheel:true,rollingLinks:true,theme:null,transition:"default",dependencies:[]},ab=U.autoSlide,n=0,e=0,z,I,ao=[],f={},W="WebkitPerspective" in document.body.style||"MozPerspective" in document.body.style||"msPerspective" in document.body.style||"OPerspective" in document.body.style||"perspective" in document.body.style,o="WebkitTransform" in document.body.style||"MozTransform" in document.body.style||"msTransform" in document.body.style||"OTransform" in document.body.style||"transform" in document.body.style,A=0,l=0,E=0,ag={startX:0,startY:0,startSpan:0,startCount:0,handled:false,threshold:80};
function j(ap){if((!o&&!W)){document.body.setAttribute("class","no-transforms");return;}u(U,ap);d();Y();}function R(){f.theme=document.querySelector("#theme");
f.wrapper=document.querySelector(".reveal");if(!f.wrapper.querySelector(".progress")&&U.progress){var at=document.createElement("div");at.classList.add("progress");
at.innerHTML="<span></span>";f.wrapper.appendChild(at);}if(!f.wrapper.querySelector(".controls")&&U.controls){var ar=document.createElement("aside");ar.classList.add("controls");
ar.innerHTML='<div class="navigate-left"></div><div class="navigate-right"></div><div class="navigate-up"></div><div class="navigate-down"></div>';f.wrapper.appendChild(ar);
}if(!f.wrapper.querySelector(".state-background")){var aq=document.createElement("div");aq.classList.add("state-background");f.wrapper.appendChild(aq);
}if(!f.wrapper.querySelector(".pause-overlay")){var ap=document.createElement("div");ap.classList.add("pause-overlay");f.wrapper.appendChild(ap);}f.progress=document.querySelector(".reveal .progress");
f.progressbar=document.querySelector(".reveal .progress span");if(U.controls){f.controls=document.querySelector(".reveal .controls");f.controlsLeft=H(document.querySelectorAll(".navigate-left"));
f.controlsRight=H(document.querySelectorAll(".navigate-right"));f.controlsUp=H(document.querySelectorAll(".navigate-up"));f.controlsDown=H(document.querySelectorAll(".navigate-down"));
f.controlsPrev=H(document.querySelectorAll(".navigate-prev"));f.controlsNext=H(document.querySelectorAll(".navigate-next"));}}function d(){if(navigator.userAgent.match(/(iphone|ipod|android)/i)){document.documentElement.style.overflow="scroll";
document.body.style.height="120%";window.addEventListener("load",ah,false);window.addEventListener("orientationchange",ah,false);}}function Y(){var aq=[],av=[];
for(var ar=0,ap=U.dependencies.length;ar<ap;ar++){var at=U.dependencies[ar];if(!at.condition||at.condition()){if(at.async){av.push(at.src);}else{aq.push(at.src);
}if(typeof at.callback==="function"){head.ready(at.src.match(/([\w\d_\-]*)\.?[^\\\/]*$/i)[0],at.callback);}}}function au(){if(av.length){head.js.apply(null,av);
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},1);}function M(){if(W===false){U.transition="linear";}if(U.controls&&f.controls){f.controls.style.display="block";}if(U.progress&&f.progress){f.progress.style.display="block";
}if(U.transition!=="default"){f.wrapper.classList.add(U.transition);}if(U.center){f.wrapper.classList.add("center");}if(U.mouseWheel){document.addEventListener("DOMMouseScroll",p,false);
document.addEventListener("mousewheel",p,false);}if(U.rollingLinks){P();}if(U.theme&&f.theme){var ar=f.theme.getAttribute("href");var ap=/[^\/]*?(?=\.css)/;
var aq=ar.match(ap)[0];if(U.theme!==aq){ar=ar.replace(ap,U.theme);f.theme.setAttribute("href",ar);}}}function F(){document.addEventListener("touchstart",B,false);
document.addEventListener("touchmove",aj,false);document.addEventListener("touchend",Z,false);window.addEventListener("hashchange",x,false);window.addEventListener("resize",g,false);
if(U.keyboard){document.addEventListener("keydown",al,false);}if(U.progress&&f.progress){f.progress.addEventListener("click",r(am),false);}if(U.controls&&f.controls){f.controlsLeft.forEach(function(ap){ap.addEventListener("click",r(C),false);
});f.controlsRight.forEach(function(ap){ap.addEventListener("click",r(k),false);});f.controlsUp.forEach(function(ap){ap.addEventListener("click",r(v),false);
});f.controlsDown.forEach(function(ap){ap.addEventListener("click",r(G),false);});f.controlsPrev.forEach(function(ap){ap.addEventListener("click",r(ac),false);
});f.controlsNext.forEach(function(ap){ap.addEventListener("click",r(y),false);});}}function X(){document.removeEventListener("keydown",al,false);document.removeEventListener("touchstart",B,false);
document.removeEventListener("touchmove",aj,false);document.removeEventListener("touchend",Z,false);window.removeEventListener("hashchange",x,false);window.removeEventListener("resize",g,false);
if(U.progress&&f.progress){f.progress.removeEventListener("click",r(am),false);}if(U.controls&&f.controls){f.controlsLeft.forEach(function(ap){ap.removeEventListener("click",r(C),false);
});f.controlsRight.forEach(function(ap){ap.removeEventListener("click",r(k),false);});f.controlsUp.forEach(function(ap){ap.removeEventListener("click",r(v),false);
});f.controlsDown.forEach(function(ap){ap.removeEventListener("click",r(G),false);});f.controlsPrev.forEach(function(ap){ap.removeEventListener("click",r(ac),false);
});f.controlsNext.forEach(function(ap){ap.removeEventListener("click",r(y),false);});}}function u(aq,ap){for(var ar in ap){aq[ar]=ap[ar];}}function H(ap){return Array.prototype.slice.call(ap);
}function ae(ap,ar,aq){ap.forEach(function(at){at[ar].apply(at,aq);});}function V(ar,ap){var at=ar.x-ap.x,aq=ar.y-ap.y;return Math.sqrt(at*at+aq*aq);}function r(ap){return function(aq){aq.preventDefault();
ap.call(null,aq);};}function ah(){setTimeout(function(){window.scrollTo(0,1);},0);}function s(aq,ap){var ar=document.createEvent("HTMLEvents",1,2);ar.initEvent(aq,true,true);
u(ar,ap);f.wrapper.dispatchEvent(ar);}function P(){if(W&&!("msPerspective" in document.body.style)){var aq=document.querySelectorAll(".reveal .slides section a:not(.image)");
for(var ar=0,ap=aq.length;ar<ap;ar++){var at=aq[ar];if(at.textContent&&!at.querySelector("img")&&(!at.className||!at.classList.contains(at,"roll"))){at.classList.add("roll");
at.innerHTML='<span data-title="'+at.text+'">'+at.innerHTML+"</span>";}}}}function S(){if(U.center){var at=Array.prototype.slice.call(document.querySelectorAll(".reveal .slides section"));
var au=-f.wrapper.offsetHeight/2;for(var ar=0,aq=at.length;ar<aq;ar++){var ap=at[ar];if(ap.classList.contains("stack")){ap.style.top=0;}else{ap.style.top=Math.max(-(ap.offsetHeight/2)-20,au)+"px";
}}}}function K(){if(U.overview){f.wrapper.classList.add("overview");var ap=document.querySelectorAll(m);for(var av=0,at=ap.length;av<at;av++){var ar=ap[av],az="translateZ(-2500px) translate("+((av-n)*105)+"%, 0%)";
ar.setAttribute("data-index-h",av);ar.style.display="block";ar.style.WebkitTransform=az;ar.style.MozTransform=az;ar.style.msTransform=az;ar.style.OTransform=az;
ar.style.transform=az;if(!ar.classList.contains("stack")){ar.addEventListener("click",D,true);}var ay=ar.querySelectorAll("section");for(var au=0,aq=ay.length;
au<aq;au++){var ax=ay[au],aw="translate(0%, "+((au-(av===n?e:0))*105)+"%)";ax.setAttribute("data-index-h",av);ax.setAttribute("data-index-v",au);ax.style.display="block";
ax.style.WebkitTransform=aw;ax.style.MozTransform=aw;ax.style.msTransform=aw;ax.style.OTransform=aw;ax.style.transform=aw;ax.addEventListener("click",D,true);
}}}}function ai(){if(U.overview){f.wrapper.classList.remove("overview");var at=Array.prototype.slice.call(document.querySelectorAll(".reveal .slides section"));
for(var ar=0,ap=at.length;ar<ap;ar++){var aq=at[ar];aq.style.WebkitTransform="";aq.style.MozTransform="";aq.style.msTransform="";aq.style.OTransform="";
aq.style.transform="";aq.removeEventListener("click",D);}a();}}function aa(ap){if(typeof ap==="boolean"){ap?K():ai();}else{N()?ai():K();}}function N(){return f.wrapper.classList.contains("overview");
}function af(){var ap=document.body;var aq=ap.requestFullScreen||ap.webkitRequestFullScreen||ap.mozRequestFullScreen||ap.msRequestFullScreen;if(aq){aq.apply(ap);
}}function c(){f.wrapper.classList.add("paused");}function q(){f.wrapper.classList.remove("paused");}function ad(){if(ak()){q();}else{c();}}function ak(){return f.wrapper.classList.contains("paused");
}function a(aw,aA){z=I;var at=ao.concat();ao.length=0;var az=n,aq=e;n=an(m,aw===undefined?n:aw);e=an(b,aA===undefined?e:aA);S();stateLoop:for(var au=0,ax=ao.length;
au<ax;au++){for(var ar=0;ar<at.length;ar++){if(at[ar]===ao[au]){at.splice(ar,1);continue stateLoop;}}document.documentElement.classList.add(ao[au]);s(ao[au]);
}while(at.length){document.documentElement.classList.remove(at.pop());}if(U.progress&&f.progress){f.progressbar.style.width=(n/(document.querySelectorAll(m).length-1))*window.innerWidth+"px";
}if(N()){K();}t();clearTimeout(E);E=setTimeout(i,1500);var ap=document.querySelectorAll(m);var ay=ap[n],av=ay.querySelectorAll("section");I=av[e]||ay;if(n!==az||e!==aq){s("slidechanged",{indexh:n,indexv:e,previousSlide:z,currentSlide:I});
}else{z=null;}if(z){z.classList.remove("present");}}function an(at,ay){var aq=Array.prototype.slice.call(document.querySelectorAll(at)),ax=aq.length;if(ax){if(U.loop){ay%=ax;
if(ay<0){ay=ax+ay;}}ay=Math.max(Math.min(ay,ax-1),0);for(var av=0;av<ax;av++){var aw=aq[av];if(N()===false){var ap=Math.abs((ay-av)%(ax-3))||0;aw.style.display=ap>3?"none":"block";
}aq[av].classList.remove("past");aq[av].classList.remove("present");aq[av].classList.remove("future");if(av<ay){aq[av].classList.add("past");}else{if(av>ay){aq[av].classList.add("future");
}}if(aw.querySelector("section")){aq[av].classList.add("stack");}}aq[ay].classList.add("present");var ar=aq[ay].getAttribute("data-state");if(ar){ao=ao.concat(ar.split(" "));
}var au=aq[ay].getAttribute("data-autoslide");if(au){ab=parseInt(au);}else{ab=U.autoSlide;}}else{ay=0;}return ay;}function t(){if(U.controls&&f.controls){var ap=h();
f.controlsLeft.concat(f.controlsRight).concat(f.controlsUp).concat(f.controlsDown).concat(f.controlsPrev).concat(f.controlsNext).forEach(function(aq){aq.classList.remove("enabled");
});if(ap.left){f.controlsLeft.forEach(function(aq){aq.classList.add("enabled");});}if(ap.right){f.controlsRight.forEach(function(aq){aq.classList.add("enabled");
});}if(ap.up){f.controlsUp.forEach(function(aq){aq.classList.add("enabled");});}if(ap.down){f.controlsDown.forEach(function(aq){aq.classList.add("enabled");
});}if(ap.left||ap.up){f.controlsPrev.forEach(function(aq){aq.classList.add("enabled");});}if(ap.right||ap.down){f.controlsNext.forEach(function(aq){aq.classList.add("enabled");
});}}}function h(){var ap=document.querySelectorAll(m),aq=document.querySelectorAll(b);return{left:n>0,right:n<ap.length-1,up:e>0,down:e<aq.length-1};}function L(){var av=window.location.hash;
var au=av.slice(2).split("/"),aq=av.replace(/#|\//gi,"");if(isNaN(parseInt(au[0],10))&&aq.length){var ar=document.querySelector("#"+aq);if(ar){var aw=Reveal.getIndices(ar);
a(aw.h,aw.v);}else{a(n,e);}}else{var at=parseInt(au[0],10)||0,ap=parseInt(au[1],10)||0;a(at,ap);}}function i(){if(U.history){var ap="/";if(I&&typeof I.getAttribute("id")==="string"){ap="/"+I.getAttribute("id");
}else{if(n>0||e>0){ap+=n;}if(e>0){ap+="/"+e;}}window.location.hash=ap;}}function O(ap){var au=n,ar=e;if(ap){var av=!!ap.parentNode.nodeName.match(/section/gi);
var at=av?ap.parentNode:ap;var aq=Array.prototype.slice.call(document.querySelectorAll(m));au=Math.max(aq.indexOf(at),0);if(av){ar=Math.max(Array.prototype.slice.call(ap.parentNode.children).indexOf(ap),0);
}}return{h:au,v:ar};}function w(){if(document.querySelector(b+".present")){var aq=document.querySelectorAll(b+".present .fragment:not(.visible)");if(aq.length){aq[0].classList.add("visible");
s("fragmentshown",{fragment:aq[0]});return true;}}else{var ap=document.querySelectorAll(m+".present .fragment:not(.visible)");if(ap.length){ap[0].classList.add("visible");
s("fragmentshown",{fragment:ap[0]});return true;}}return false;}function T(){if(document.querySelector(b+".present")){var aq=document.querySelectorAll(b+".present .fragment.visible");
if(aq.length){aq[aq.length-1].classList.remove("visible");s("fragmenthidden",{fragment:aq[aq.length-1]});return true;}}else{var ap=document.querySelectorAll(m+".present .fragment.visible");
if(ap.length){ap[ap.length-1].classList.remove("visible");s("fragmenthidden",{fragment:ap[ap.length-1]});return true;}}return false;}function Q(){clearTimeout(l);
if(ab){l=setTimeout(y,ab);}}function C(){if(h().left&&(N()||T()===false)){a(n-1,0);}}function k(){if(h().right&&(N()||w()===false)){a(n+1,0);}}function v(){if(h().up&&(N()||T()===false)){a(n,e-1);
}}function G(){if(h().down&&(N()||w()===false)){a(n,e+1);}}function ac(){if(T()===false){if(h().up){v();}else{var ap=document.querySelector(".reveal .slides>section.past:nth-child("+n+")");
if(ap){e=(ap.querySelectorAll("section").length+1)||0;n--;a();}}}}function y(){if(w()===false){h().down?G():k();}Q();}function al(ar){var aq=document.activeElement;
var at=!!(document.activeElement&&(document.activeElement.type||document.activeElement.href||document.activeElement.contentEditable!=="inherit"));if(at||ar.shiftKey||ar.altKey||ar.ctrlKey||ar.metaKey){return;
}var ap=true;switch(ar.keyCode){case 80:case 33:ac();break;case 78:case 34:y();break;case 72:case 37:C();break;case 76:case 39:k();break;case 75:case 38:v();
break;case 74:case 40:G();break;case 36:a(0);break;case 35:a(Number.MAX_VALUE);break;case 32:N()?ai():y();break;case 13:N()?ai():ap=false;break;case 66:case 190:ad();
break;case 70:af();break;default:ap=false;}if(ap){ar.preventDefault();}else{if(ar.keyCode===27&&W){aa();ar.preventDefault();}}Q();}function B(ap){ag.startX=ap.touches[0].clientX;
ag.startY=ap.touches[0].clientY;ag.startCount=ap.touches.length;if(ap.touches.length===2&&U.overview){ag.startSpan=V({x:ap.touches[1].clientX,y:ap.touches[1].clientY},{x:ag.startX,y:ag.startY});
}}function aj(av){if(!ag.handled){var at=av.touches[0].clientX;var ar=av.touches[0].clientY;if(av.touches.length===2&&ag.startCount===2&&U.overview){var au=V({x:av.touches[1].clientX,y:av.touches[1].clientY},{x:ag.startX,y:ag.startY});
if(Math.abs(ag.startSpan-au)>ag.threshold){ag.handled=true;if(au<ag.startSpan){K();}else{ai();}}av.preventDefault();}else{if(av.touches.length===1&&ag.startCount!==2){var aq=at-ag.startX,ap=ar-ag.startY;
if(aq>ag.threshold&&Math.abs(aq)>Math.abs(ap)){ag.handled=true;C();}else{if(aq<-ag.threshold&&Math.abs(aq)>Math.abs(ap)){ag.handled=true;k();}else{if(ap>ag.threshold){ag.handled=true;
v();}else{if(ap<-ag.threshold){ag.handled=true;G();}}}}av.preventDefault();}}}else{if(navigator.userAgent.match(/android/gi)){av.preventDefault();}}}function Z(ap){ag.handled=false;
}function p(ap){clearTimeout(A);A=setTimeout(function(){var aq=ap.detail||-ap.wheelDelta;if(aq>0){y();}else{ac();}},100);}function am(aq){var ap=Array.prototype.slice.call(document.querySelectorAll(m)).length;
var ar=Math.floor((aq.clientX/f.wrapper.offsetWidth)*ap);a(ar);}function x(ap){L();}function g(ap){S();}function D(ap){if(N()){ap.preventDefault();ai();
n=this.getAttribute("data-index-h");e=this.getAttribute("data-index-v");a();}}return{initialize:j,slide:a,left:C,right:k,up:v,down:G,prev:ac,next:y,prevFragment:T,nextFragment:w,navigateTo:a,navigateLeft:C,navigateRight:k,navigateUp:v,navigateDown:G,navigatePrev:ac,navigateNext:y,toggleOverview:aa,addEventListeners:F,removeEventListeners:X,getIndices:O,getPreviousSlide:function(){return z;
},getCurrentSlide:function(){return I;},getQueryHash:function(){var ap={};location.search.replace(/[A-Z0-9]+?=(\w*)/gi,function(aq){ap[aq.split("=").shift()]=aq.split("=").pop();
});return ap;},addEventListener:function(aq,ar,ap){if("addEventListener" in window){(f.wrapper||document.querySelector(".reveal")).addEventListener(aq,ar,ap);
}},removeEventListener:function(aq,ar,ap){if("addEventListener" in window){(f.wrapper||document.querySelector(".reveal")).removeEventListener(aq,ar,ap);
}}};})();