a.linkopacity img {
filter:alpha(opacity=80);
-moz-opacity: 0.8;
opacity: 0.8;
-khtml-opacity: 0.8;
}


a.linkopacity:hover img {
filter:alpha(opacity=100);  
-moz-opacity: 1.0;  
opacity: 1.0;
-khtml-opacity: 1.0;
}