/*!
* screenfull
* v1.0.2 - 2012-10-15
* https://github.com/sindresorhus/screenfull.js
* (c) Sindre Sorhus; MIT License
*/

(function(e,t){var n=typeof Element!="undefined"&&"ALLOW_KEYBOARD_INPUT"in Element,r=function(){var e,n,r=[["requestFullscreen","exitFullscreen","fullscreenElement","fullscreenEnabled","fullscreenchange","fullscreenerror"],["webkitRequestFullscreen","webkitExitFullscreen","webkitFullscreenElement","webkitFullscreenEnabled","webkitfullscreenchange","webkitfullscreenerror"],["webkitRequestFullScreen","webkitCancelFullScreen","webkitCurrentFullScreenElement","","webkitfullscreenchange","webkitfullscreenerror"],["mozRequestFullScreen","mozCancelFullScreen","mozFullScreenElement","mozFullScreenEnabled","mozfullscreenchange","mozfullscreenerror"]],i=0,s=r.length,o={};for(;i<s;i++){e=r[i];if(e&&e[1]in t){for(i=0,n=e.length;i<n;i++)o[r[0][i]]=e[i];return o}}return!1}(),i={request:function(e){var i=r.requestFullscreen;e=e||t.documentElement,/5\.1[\.\d]* Safari/.test(navigator.userAgent)?e[i]():e[i](n&&Element.ALLOW_KEYBOARD_INPUT)},exit:function(){t[r.exitFullscreen]()},toggle:function(e){this.isFullscreen?this.exit():this.request(e)},onchange:function(){},onerror:function(){}};if(!r)return e.screenfull=!1;Object.defineProperties(i,{isFullscreen:{get:function(){return!!t[r.fullscreenElement]}},element:{enumerable:!0,get:function(){return t[r.fullscreenElement]}},enabled:{enumerable:!0,get:function(){return t[r.fullscreenEnabled]}}}),t.addEventListener(r.fullscreenchange,function(e){i.onchange.call(i,e)}),t.addEventListener(r.fullscreenerror,function(e){i.onerror.call(i,e)}),e.screenfull=i})(window,document);