.dropdown {display:block; position:relative;}
.dropdown a {border:hidden}
.dropdown dt {width:191px; height:18px;  padding:4px; color: #000; font-weight:nornal; cursor:pointer; background:url(images/header.jpg)}
.dropdown dt a, .dropdown dt a:hover, .dropdown dt a:visited, .dropdown dt a:link {text-decoration: none; color: #000; background: transparent;}

.dropdown .upperdd {border-bottom:none}
.dropdown dt:hover {background:url(images/header_over.gif)}
.dropdown dd {position:absolute; top:0;  margin-left:2px; overflow:hidden; width:208px; display:none; background: #fff; opacity:0}
.dropdown ul { width:204px; border:1px solid #037; list-style:none}
.dropdown li {display:inline}
.dropdown li a, .dropdown li a:active, .dropdown li a:visited {display:block; padding:5px; color:#333; text-decoration:none; background:#eaf0f2; width:194px}
.dropdown a:hover {background:#d9e1e4; color:#000}
.dropdown .underline {border-bottom:1px solid #b9d6dc}