window.onload = choosePic;

var myPix = new Array("images-random/random-a.jpg","images-random/random-b.jpg","images-random/random-c.jpg","images-random/random-d.jpg","images-random/random-e.jpg","images-random/random-f.jpg","images-random/random-g.jpg","images-random/random-h.jpg","images-random/random-i.jpg","images-random/random-j.jpg","images-random/random-k.jpg","images-random/random-l.jpg","images-random/random-m.jpg","images-random/random-n.jpg");

function choosePic() {
	randomNum = Math.floor((Math.random() * myPix.length));
	document.getElementById("myPicture").src = myPix[randomNum];
}