#options {
	padding:			1em 0 0 2em;
}

#options img {
	margin:				10px 4px 0 0;
	float:				left;
}

#options img.collapse {
	margin-right:			0.5em;
}

#options img:hover {
	cursor:				pointer;
}

#chapters a {
	text-decoration:		none;
}

#chapters, .chapter, .section {
	float:				left;
	clear:				both;
	list-style:			none;
	white-space:			nowrap;
}

#chapters li.chapter .button {
	width:				12px;
	height:				12px;
	margin:				10px 10px 0 0;
	background-repeat:		no-repeat;
	float:				left;
	display:			none;
}

#chapters li.chapter .button:hover {
	cursor:				pointer;
}

#chapters.expandable li.chapter .button {
	display:			block;
	background-image:		url('../../../../doc/plus-12x12.png');
}

#chapters.expandable li.chapter span.chapter_title.nosub {
	margin-left:			22px;
}

#chapters.expandable li.chapter ul.sections {
	display:			none;
}

#chapters.expandable li.chapter.open .button {
	background-image:		url('../../../../doc/minus-12x12.png');
}

#chapters.expandable li.chapter.open ul.sections {
	display:			block;
}