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("img2/hm-over.gif");
		win_over = newImage("img2/win-over.gif");
		hilt_over = newImage("img2/hilt-over.gif");
		mem_over = newImage("img2/mem-over.gif");
		cohst_over = newImage("img2/cohst-over.gif");
		img_over = newImage("img2/img-over.gif");
		cont_over = newImage("img2/cont-over.gif");
		vid_over = newImage("img2/vid-over.gif");
}