#controls {position: fixed; right:10px; top:60px; width:86px; height:22px; z-index:1001; }
#controls a img {
opacity:0.2; -moz-opacity:0.2; filter:alpha(opacity=20); 
}
#controls a:hover img {
opacity:1.0; -moz-opacity:1.0; filter:alpha(opacity=100);
}