#nav, #nav ul { /* all lists */
   padding: 0;
   margin: 0;
   list-style: none;
   line-height: 1;
}
#nav a {
   display: block;
   width: 170px;
   filter:Alpha(opacity=95);
   opacity:0.9;
   padding: 0px 1px 1px 0px;
}
#nav li { /* all list items */
   float: left;
   width: 170px; /*width needed or else Opera goes nuts */
   padding: 0px 4px 4px 0px;

}
#nav li ul { /* second-level lists */
   position: absolute;
   bottom: 90px;
   width: 170px;
   left: -999em; /* using left instead of display to hide menus because display: none isn't read by screen readers */
   filter:Alpha(opacity=95);
   opacity:0.9;

}
#nav li:hover ul, #nav li.sfhover ul { /* lists nested under hovered list items */
   left: auto;
}