ul.tree {
	display: block;
	margin-left: 0px;
	padding-left: 0px;
}

ul.tree ul {
	display: block;
	margin-left:   0px;
	margin-top:    0px;
	margin-bottom: 1px;
	padding-left: 0;
}

ul.tree li {
	display: block;
	list-style-type: none;
	margin-bottom: 1px;
	padding-left: 20px;
	background-image: url("img/menu_doc.gif");
	background-position: left top;
	background-repeat: no-repeat;
}

ul.tree li.closed {
	background-image: url("img/menu_plus.gif");
	background-position: left top;
	background-repeat: no-repeat;
	padding-top:    2px;
	padding-bottom: 2px;
}

ul.tree li.opened {
	background-image: url("img/menu_minus.gif");
	background-position: left top;
	background-repeat: no-repeat;
	border: 1px solid gray;
	padding-top:    2px;
	padding-bottom: 2px;
}

ul.tree li a {
	font-size: 13px;
	text-decoration: none;
	cursor: pointer;
}

ul.tree li a.folder {
	cursor: pointer;
}

ul.tree li a.active {
	font-weight: bold;
}

ul.tree li a:hover {
	text-decoration: underline;
}