a.tt{
position:relative;
z-index:24;
color:#3CA3FF;
font-weight:bold;
text-decoration:none;
}
a.tt span{ display: none; }
 /*background:; ie hack, something must be changed in a for ie to execute it*/
    a.tt:hover{ z-index:25; color: #aaaaff; background:;}
    a.tt:hover span.tooltip{
    display:block;
  position:absolute;
    top:0px; left:0;
    padding: 15px 0 0 0;
    width:200px;
    color: #993300;
    text-align: left;
    filter: alpha(opacity:90);
    KHTMLOpacity: 0.90;
    MozOpacity: 0.90;
    opacity: 0.90;
    }
    a.tt:hover span.top{
    display: block;
    padding: 30px 8px 0;
    background: url(../jpg/bubble.gif) no-repeat top;
    }
    a.tt:hover span.middle{ /* different middle bg for stretch */
    display: block;
    padding: 0 8px; 
    background: url(../jpg/bubble_filler.gif) repeat bottom; 
    }
    a.tt:hover span.bottom{
    display: block;
    padding:3px 8px 10px;
    color: #548912;
    background: url(../jpg/bubble.gif) no-repeat bottom;
    }