.tab {
background: url("/img/grr.gif") top repeat-x #73a0c5; 
border: 1px solid #6C6C6C;
padding: 5px 5px 2px 5px;
text-decoration: none;
border-top: 1px solid #fff;
border-left: 1px solid #fff;
}

.tab:hover {
border-top: 1px solid #6c6c6c;
border-left: 1px solid #6c6c6c;
border-bottom:  1px solid #fff;
border-right:  1px solid #fff;
background: url("/img/grr.gif") top repeat-x #73a0c5; 
}

.atab {
color: #000;
font-weight: bold;
border: 1px solid #6c6c6c;
border-bottom:  1px solid #fff;
border-right:  1px solid #fff;
padding: 8px 5px 4px 5px;
margin-left: -1px;
}