//= require modernizr // Animated PNG // en.wikipedia.org/wiki/APNG // By Addy Osmani (function () {

if (!Modernizr.canvas) return false;

var image = new Image(),
    canvas = document.createElement('canvas'),
    ctx = canvas.getContext('2d');

image.onload = function () {
    Modernizr.addTest('apng', function () {
        if (typeof canvas.getContext == 'undefined') {
            return false;
        } else {
            ctx.drawImage(image, 0, 0);
            return ctx.getImageData(0, 0, 1, 1).data[3] === 0;
        }
    });
};

image.src = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACGFjVEwAAAABAAAAAcMq2TYAAAANSURBVAiZY2BgYPgPAAEEAQB9ssjfAAAAGmZjVEwAAAAAAAAAAQAAAAEAAAAAAAAAAAD6A+gBAbNU+2sAAAARZmRBVAAAAAEImWNgYGBgAAAABQAB6MzFdgAAAABJRU5ErkJggg==";

}());