(function(e){

	var c = document.getElementById("canvas");
	var ctx = c.getContext("2d");
	var bytes, m, n, i, s, t, x, y;

	function init() {

		s = 30; //cell size; everything else scales to fit
		m = 256;
		n = m;
		i = 0;
		bytes = new Uint8Array(m);

		//fill the byte array with 0 - 255
		while (i < m) {
			bytes[i] = i;
			i++;
		}

		c.width = 16 * s;
		c.height = 16 * s;

		dothedamnthing();

	}

	function render() {
		ctx.fillStyle = "black";
		ctx.fillRect(0, 0, c.width, c.height);

		i = 0;
		while (i < m) {
			t = bytes[i];
			ctx.fillStyle = "rgb(" + t + "," + t + "," + t + ")";
			ctx.strokeStyle = "white";
			ctx.lineWidth = 1;
			x = (i - ((c.width / s) * Math.floor(i / (c.width / s)))) * s;
			y = Math.floor(i / (c.width / s)) * s;
			ctx.strokeRect(x, y, s, s);
			ctx.fillRect(x, y, s, s);
			i++;
		}
	  
		bytes = shuffle(bytes);  

	}

	//Slightly modified, but came from http://bost.ocks.org/mike/shuffle/
	function shuffle(array) {

		// Pick a remaining element…
		i = Math.floor(Math.random() * n--);

		// And swap it with the current element.
		t = array[n];
		array[n] = array[i];
		array[i] = t;

		return array;
	}

	function dothedamnthing(){
    	if (n) requestAnimationFrame(dothedamnthing);
		render();
	}

    e.Shuffle = {
      run: init
    }

})(window);

(function() {
    var lastTime = 0;
    var vendors = ['webkit', 'moz'];
    for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
        window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
        window.cancelAnimationFrame =
          window[vendors[x]+'CancelAnimationFrame'] || window[vendors[x]+'CancelRequestAnimationFrame'];
    }

    if (!window.requestAnimationFrame)
        window.requestAnimationFrame = function(callback, element) {
            var currTime = new Date().getTime();
            var timeToCall = Math.max(0, 16 - (currTime - lastTime));
            var id = window.setTimeout(function() { callback(currTime + timeToCall); },
              timeToCall);
            lastTime = currTime + timeToCall;
            return id;
        };

    if (!window.cancelAnimationFrame)
        window.cancelAnimationFrame = function(id) {
            clearTimeout(id);
        };
}());

Shuffle.run();