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

function changeImages() {
	if (document.images) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

	if (document.images) {
		Hm_over = newImage("img1/Hm-over.gif");
		Shows_over = newImage("img1/Shows-over.gif");
		Stars_over = newImage("img1/Stars-over.gif");
		Collect_over = newImage("img1/Collect-over.gif");
		OneKind_over = newImage("img1/OneKind-over.gif");
		Signed_over = newImage("img1/Signed-over.gif");
		Popular_over = newImage("img1/Popular-over.gif");
}