.nav{
width:220px;
margin:0 auto; 
height:25px;
margin-top:60px;
background:url(../images/nav_bg.jpg) left center no-repeat;
margin-left:610px;
position:absolute;
}
.nav li{ width:110px; float:left;height:25px;background:url(../images/menu_list.jpg) left center no-repeat; position:relative;}
.nav li.last{background:none;}
.nav li a{float:left;display:block;padding:0 0 0 4px;height:25px;overflow:hidden;}
.nav li a span{float:left;display:block;padding:0 8px 0 10px;line-height:25px;font-size:12px;color:#747474;cursor:pointer;width:100px;text-align:center;}
.nav li.selected a,.nav li a.selected{background-position:0 -60px;text-decoration:none;}
.nav li.selected a span,.nav li a.selected span{background-position:100% -60px;color:#035a91;}
.nav li.selected .submenu{display:block;}
.nav li .submenu{display:none;position:absolute;top:20px; background:#CCCCCC;}

.nav li .submenu{background:#CCCCCC;}
.nav li .submenu li{float:none;padding:0;background:none;height:auto;background:#e3e3e1;}
.nav li .submenu li.last{border:none;}
.nav li .submenu li a{float:none;padding:0;text-align:center;height:25px;line-height:25px;background:none;}
.nav li .submenu li a:hover{background:#fff; color:#666;}
.selected{
list-style-type:none;
}