var loaded = false;

if (document.images) {
	img2off = new Image();
	img2off.src = "/CremonaTrasporti/Toolbars/News/btn_archivio_off.jpg";
}

function imageLoad() {
	if (document.images) {
		img2on = new Image();
		img2on.src = "/CremonaTrasporti/Toolbars/News/btn_archivio_on.jpg";
		return (loaded = true);
	}
}

function rollOut(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName+"off.src");
	}
}

function rollIn(imgName) {
	if (document.images && (loaded == true)) {
		document[imgName].src = eval(imgName+"on.src");
	}
}