!function(){"use strict";for(var n=0,i=["ms","moz","webkit","o"],e=0;e<i.length&&!window.requestAnimationFrame;++e)window.requestAnimationFrame=window[i[e]+"RequestAnimationFrame"],window.cancelAnimationFrame=window[i[e]+"CancelAnimationFrame"]||window[i[e]+"CancelRequestAnimationFrame"];window.requestAnimationFrame||(window.requestAnimationFrame=function(i,e){var a=(new Date).getTime(),t=Math.max(0,16-(a-n)),o=window.setTimeout((function(){i(a+t)}),t);return n=a+t,o}),window.cancelAnimationFrame||(window.cancelAnimationFrame=function(n){clearTimeout(n)})}();