.nbt-left {
	background-image:url(img/bt/left.gif);
}
.nbt-right {
	background-image:url(img/bt/right.gif);
}

.nbt-l-bold {
	background-image:url(img/bt/center.gif);
	font-size:16px;
	padding-left:30px;
	padding-right:30px;
	font-weight:bold;
}