function nacisnijPrzycisk2 () {
	var box = document.getElementsByClassName("box") [0];
	var boxtop = box.style.top;
	var boxleft = box.style.left;

	myTop = myTop +10;
	myLeft = myLeft +10;
	box.style.top = myTop + "px";
	box.style.left = myLeft + "px";
	}