onload = function() {
	var imgs = ["k1.png", "k2.png", "k3.png"];
	var minY = 150;
	for (var i=0; i<imgs.length; i++) {
		var img = document.createElement("img");
		img.src = imgs[i];
		img.style.position = "absolute";
		img.style.left = 750 + Math.random()*50 + "px";
		var y = minY + Math.random()*(document.body.offsetHeight/4);
		img.style.top = y + "px";
		minY = y + 40;
		document.body.appendChild(img);
	}
}