.root {
	position: relative;
	left: 2px;
	width: 0px;
	white-space: nowrap;
}

.son {
	position: relative;
	left: 10px;
/*	width: 0px;*/
}


.plus {
	font-size: 15px;
	font-weight: bold;
	cursor: pointer;
	color: #000000;
	font-family: monospace;
}

.plus:hover {
	color: #FF0000;
}

.opened {
	display: inline;
/*	width: 0px;*/
}

.closed {
	display: none;
/*	width: 0px;*/
}

/* link */
.l {
	background-repeat: no-repeat;
	background-position: left;
	padding: 0 2em;
	font-weight: bold;
	font-size: 10px;
	color: #4a79b1;
	text-decoration: none;
	cursor: pointer;
	white-space: nowrap;
	font-family: sans-serif;
}

.l:hover {
	text-decoration: underline;
}


/* selected link */
.sl {
	background-repeat: no-repeat;
	background-position: left;
        padding: 0 2em;	
	font-weight: bold;
	font-size: 10px;
	color: #fc6103;
	text-decoration: none;
	cursor: pointer;
	white-space: nowrap;
	font-family: sans-serif;
}

.sl:hover {
	text-decoration: underline;
}