ol#toc {
    height: 20px;
    list-style: none;
    margin: 0;
    padding: 0;
}

ol#toc li {
    float: left;
    margin: 0 5px 0 0;
}

ol#toc a {
    background: url(images/tab.gif) no-repeat left top;
    display: block;
    float: left;
    height: 20px;
    padding-left: 10px;
    text-decoration: none;
	font-weight: bold;
	color: #fff;
}

ol#toc a:hover {
    background-position: 0 -40px;
	color: #333;
}

ol#toc a:hover span {
    background-position: 100% -40px;
}

ol#toc li.current a {
    background-position: 0 -20px;
}

ol#toc li.current span {
    background-position: 100% -20px;
}

ol#toc a span {
    background: url(images/tab.gif) no-repeat right top;
    display: block;
    padding-right: 10px;
}