#nav {
	list-style-type: none;
	font-size: 14px;
	font-weight: bold;
	font-family: "微软雅黑";
	line-height: 30px;
	color: #000000;
}

#nav a {
	display: block;
	text-align:center;
	color: #000000;
}

#nav a:link  {
text-decoration:none;
color: #000000;
 
}
#nav a:visited  {
	text-decoration:none;
	color: #000000;

	
}
#nav a:hover  {
	text-decoration:none;
	font-weight:bold;
	background-image: url(../images/libg_10.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	color: #000000;
}

.nav_li1 {
	background-image: url(../images/libg_09.jpg);
	background-repeat: no-repeat;
	background-position: right center;
	float: left;
	font-family: "微软雅黑";
	width: auto;
}
.nav_li2 {
	
	float: left;
}
#nav li a:hover{
	background-image: url(../images/libg.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
#nav li ul {
	list-style-type: none;
	left: -999em;
	width: 150px;
	position: absolute;
	color: #FFFFFF;
	float: left;
}
#nav li ul li{
	float: left;
	width: 148px;
	background-color: #333333;
	color: #FFFFFF;
	font-size: 12px;
	line-height: 18px;
	font-family: Arial, Helvetica, sans-serif;
	height: 18px;
	text-align: left;
	border: 1px solid #FFFFFF;
	font-weight: bold;
}


#nav li ul a{
	display: block;
	width: 148px;
	color: #FFFFFF;
}

#nav li ul a:link  {
 color:#FFFFFF; text-decoration:none;
}
#nav li ul a:visited  {
 color:#FFFFFF;text-decoration:none;
}
#nav li ul a:hover  {
	color:#FFFFFF;
	text-decoration:none;
	font-weight:normal;
	background-image: url(../images/libg.jpg);
	background-repeat: repeat-x;
}

#nav li:hover ul {
 left: auto;
}
#nav li.sfhover ul {
 left: auto;
}