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) {
		Cli_over = newImage("mtl1d/Cli-over.gif");
		Gal_over = newImage("mtl1d/Gal-over.gif");
		Srv_over = newImage("mtl1d/Srv-over.gif");
		Who_over = newImage("mtl1d/Who-over.gif");
		Cnt_over = newImage("mtl1d/Cnt-over.gif");
		Inf_over = newImage("mtl1d/Inf-over.gif");
		Hme_over = newImage("mtl1d/Hme-over.gif");
}