#opa {position:relative; margin:2em auto;}
#opa a:visited, #opa a {text-decoration:none; color:#d00; font-weight:bold;}
#opa a:visited img, #opa a img{filter: alpha(opacity=85);
 filter: progid:DXImageTransform.Microsoft.Alpha(opacity=85);
 -moz-opacity: 0.85; opacity:0.85;
}
#opa a:hover {background-color:transparent; color:#06a;}
#opa a span {display:none;}
#opa a:hover span {display:block; position:absolute; left:0; font-size:12px; padding:4px; font-weight:normal; color:#a40;}

#opa a:hover img { filter: alpha(opacity=100);
 filter: progid:DXImageTransform.Microsoft.Alpha(opacity=100);
 -moz-opacity: 1.00; opacity:1;
 }