//requestAnimationFrame polyfill | Milos Djakonovic ( @Miloshio ) | MIT | https://github.com/milosdjakonovic/requestAnimationFrame-polyfill
!function(a){for(var b=1e3/60,c=[],d=!1,e=!1,f=[],g=function(a){for(var b=0;b<f.length;b++)if(f[b]===a)return f.splice(b,1),!0},h=function(){d=!1;var b=c;c=[];for(var f=0;f<b.length;f++){if(e===!0&&g(b[f]))return void(e=!1);b[f].apply(a,[(new Date).getTime()])}},i=function(e){return c.push(e),d===!1&&(a.setTimeout(h,b),d=!0),e},j=function(a){f.push(a),e=!0},k=["ms","moz","webkit","o"],l=0;l<k.length&&!a.requestAnimationFrame;++l)a.requestAnimationFrame=a[k[l]+"RequestAnimationFrame"],a.cancelAnimationFrame=a[k[l]+"CancelAnimationFrame"]||a[k[l]+"CancelRequestAnimationFrame"];a.requestAnimationFrame||(a.requestAnimationFrame=i),a.cancelAnimationFrame||(a.cancelAnimationFrame=j)}(window);