#Nav {
width: auto;
float: left;
}

ul {
margin: 0px;
padding: 0px;
list-style: none;
}

ul li {
position: relative;
width: 130px;
float: left;
text-align:center;
font-size:14px;
font-weight:bold;
color:#FFFFFF;
}

li ul {
position: absolute;
line-height:25px;
left: 0px;
top: 45px;
display: none;
border-left: 0px;
}

ul li a {
display: block;
line-height: 45px;
text-decoration: none;
/* www.codefans.net */
color: #fff;
height: 45px;
background-image:url(images/yl_14.jpg); 
background-position:right; 
background-repeat:no-repeat;
}

ul li a:hover {
display: block;
text-decoration: none;
/* www.codefans.net */
color: #fff;
background-color: #ff7c06;
}

li ul a {
color:#fff;
background-color: #646464;
line-height:30px;
height:30px;
font-size:12px;
font-weight:normal;
background-image:none;
border:none;
}

li ul a:hover {
color:#fff;
border-bottom: 0px;
background-color: #dddddd;
}

a:hover {
color: #F60;
}

* html ul li {
float: left;
height: 1%;
}
* html ul li a {
height: 1%;
}

li:hover ul, li.over ul {
display: block;
}