window.requestAnimFrame = (function(){
    return  window.requestAnimationFrame       || 
            window.webkitRequestAnimationFrame || 
            window.mozRequestAnimationFrame    || 
            window.oRequestAnimationFrame      || 
            window.msRequestAnimationFrame     || 
            function( callback ){
              window.setTimeout(callback, 1000 / 60);
            };
})();
function pluralize (n, s) {
	return n + " " + (n == 1 ? s : s + "s");
}
function toTime (time) {
	var str = [];
	time /= 1000;
	if (time > 86400) {
		str.push( pluralize( Math.floor(time / 86400), "day" ) );
	}
	if (time > 3600) {
		str.push( pluralize( Math.floor(time / 3600) % 24, "hour" ) );
	}
	if (time > 60) {
		str.push( pluralize( Math.floor(time / 60) % 60, "minute" ) );
	}
	var seconds = Math.floor(100 * (time % 60)) / 100;
	seconds = (seconds + "").split(".");
	if (seconds.length == 1) seconds[1] = "00";
// 	if (seconds[0].length == 1) seconds[0] = "0" + seconds[0];
	if (seconds[1].length == 1) seconds[1] = seconds[1] + "0";
	str.push( pluralize( seconds[0] + "." + seconds[1], "second" ) );
	return str.join(", ");
}