.dropdown {float:left; padding-right:2px}
.dropdown dt { width:140px; border:1px;  padding:1px; font-weight:bold; cursor:pointer; background:url(../site/images/header.gif)}
.dropdown dt:hover {background:url(../site/images/header.gif)}
.dropdown dd {position:absolute; overflow:hidden; width:140px; display:none; background:#666; z-index:100; opacity:60} 
.dropdown ul {width:140px; list-style:none; border-top:none}
.dropdown li {display:inline}
.dropdown a, .dropdown a:active, .dropdown a:visited {display:block; padding:5px; color:#fff; text-decoration:none; }
.dropdown a:hover {background:#999; color:#fff} 
.dropdown .underline {border-bottom:1px solid #E2E2E2}