var active = newImage("/images/t/punkt_on.gif");
var passive = newImage("/images/t/punkt_off.gif");
var preloadFlag = true;

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages(what, to) {
			what.src = to.src;
}