#nav, #nav ul{
margin:0;
padding:0;
list-style-type:none;
list-style-position:outside;
position:relative;
line-height:19px; 
font-size:11px;
font-family:Verdana, Arial, Helvetica, sans-serif;
z-index: 100;
width: 580px;
}

#nav a{
display:block;
padding:0px 6px;
border-right:1px solid #444;
color: #505050;
text-decoration:none;
background-color: #ECECEC;
}

#nav a:hover{
cursor: pointer;
background-color:#ECECEC;
color:#333;
}

#nav li{
float:left;
position:relative;
}

#nav ul {
position:absolute;
display:none;
width:12em;
}

#nav li ul a{
width:12em;
height:auto;
float:left;
border-left:1px solid #444;
border-top:1px solid #444;
}

#nav ul ul{
top:auto;
}	

#nav li ul ul {
left:12em;
margin:0px 0 0 0;
}

#nav li:hover ul ul, #nav li:hover ul ul ul, #nav li:hover ul ul ul ul{
display:none;
}
#nav li:hover ul, #nav li li:hover ul, #nav li li li:hover ul, #nav li li li li:hover ul{
display:block;
}