#nav {
clear:both;
padding:0;
margin:0;
list-style:none;
height:25px;
background:#002d6a;
position:relative;
z-index:500;
font-family: Geneva, Arial, Helvetica, sans-serif;
width:960px;
}
#nav li.top {
display:block;
float:left;
}
#nav li a.top_link {
display:block;
float:left;
height:25px;
color:#cccccc;
text-decoration:none;
font-size:13px;
padding:0px 33px 0px 33px;
cursor:pointer;
line-height:25px;
}
#nav li a.top_link span {
float:left;
display:block;
height:25px;
}
#nav li a.top_link span.down {
float:left;
display:block;
height:25px;
}
#nav li a.top_link:hover {
color:#ffffff;
}
#nav li a.top_link:hover span {
background:#e0e0e0;
}
#nav li a.top_link:hover span.down {
background:#e0e0e0;
}

#nav li:hover > a.top_link {
color:#ffffff;
}
#nav li:hover > a.top_link span {
background:#e0e0e0;
}
#nav li:hover > a.top_link span.down {
background:#e0e0e0;
}

/* Default list styling */

#nav li:hover {
position:relative;
z-index:200;
}

/* keep the 'next' level invisible by placing it off screen. */
#nav ul, 
#nav li:hover ul ul,
#nav li:hover ul li:hover ul ul,
#nav li:hover ul li:hover ul li:hover ul ul,
#nav li:hover ul li:hover ul li:hover ul li:hover ul ul{
position:absolute;
left:-9999px;
top:-9999px;
width:0;
height:0;
margin:0;
padding:0;
list-style:none;
}

#nav li:hover ul.sub{
left:0;
top:25px;
background: #e0e0e0;
padding:3px;
border:1px solid #b5b5b5;
white-space:nowrap;
width:150px;
height:auto;
z-index:300;
}
#nav li:hover ul.sub li{
display:block;
height:20px;
position:relative;
float:left;
width: 150px;
font-weight:normal;
}
#nav li:hover ul.sub li a{
display:block;
font-size:11px;
height:20px;
width:150px;
line-height:20px;
text-indent:5px;
color:#555555;
text-decoration:none;
}
#nav li ul.sub li a.fly{
background:#e0e0e0 url('arrow.gif') 130px 7px no-repeat;
}
#nav li:hover ul.sub li a:hover {
background:#717075;
color:#fff;
}
#nav li:hover ul.sub li a.fly:hover{
background:#717075 url('arrow_over.gif') 140px 7px no-repeat;
color:#fff;
}
#nav li:hover ul li:hover > a.fly {
background:#717075 url('arrow_over.gif') 140px 7px no-repeat;
color:#fff;
} 
#nav li:hover ul li:hover ul,
#nav li:hover ul li:hover ul li:hover ul,
#nav li:hover ul li:hover ul li:hover ul li:hover ul,
#nav li:hover ul li:hover ul li:hover ul li:hover ul li:hover ul{
left:150px;
top:-4px;
background: #e0e0e0;
padding:3px;
border:1px solid #b5b5b5;
white-space:nowrap;
width:150px;
z-index:400;
height:auto;
}