.tree, .tree ul {
	list-style: none;
	margin: 0;
	padding: 2px;
}

.tree .tree-open ul {
	display: block;
}


.tree .tree-closed ul {
	display: none;
}

.tree-toggler {
	color: blue;
	cursor: pointer;
	float: left;
	margin-left: -16px;
	width: 1em;
	height: 1em;
}

.tree-open .tree-toggler {
	background: url(http://js.cx/tree/minus.gif) no-repeat center;
}


.tree-closed .tree-toggler {
	background: url(http://js.cx/tree/plus.gif) no-repeat center;
}

.tree li {
	line-height: 1em;
	padding-left: 16px;
}