.nivo-controlNav a {
	display: none;
	visibility: hidden
	}
.nivo-directionNav a {
	display:block;
	width:30px;
	height:30px;
	background:url(images/arrows.png) no-repeat;
	text-indent:-9999px;
	border:0;
}
a.nivo-nextNav {
	background-position:-30px 0;
	right:15px;
}
a.nivo-prevNav {
	left:15px;
}