a.popup{
    position:relative;
    z-index:24;
    text-decoration:none;
}
a.popup span{ display: none; }
a.popup:hover{ z-index:25; color: #aaaaff; background:;}
a.popup:hover span.tooltip{
    display:block;
    position:absolute;
    top:0px; left:0;
    padding: 15px 0 0 0;
    width:200px;
    color:#666666;
    text-align: center;
}
a.popup:hover span.top{
    display: block;
    padding: 30px 8px 0;
    background: url(/images/bubble.gif) no-repeat top;
}
a.popup:hover span.middle{ 
    display: block;
    padding: 0 8px; 
    background: url(/images/bubble_filler.gif) repeat bottom; 
}
a.popup:hover span.bottom{
    display: block;
    padding:3px 8px 10px;
    color: #548912;
    background: url(/images/bubble.gif) no-repeat bottom;
}