img.transOFF {background-color: silver;border:1px solid black; }
img.transON  {background-color: silver;opacity:.50;filter: alpha(opacity=50); -moz-opacity: 0.5;border:1px solid black; }
img.trans25   {background-color: silver;opacity:.25;filter: alpha(opacity=25); -moz-opacity: 0.25;border:1px solid black; }
img.trans75   {background-color: silver;opacity:.75;filter: alpha(opacity=75); -moz-opacity: 0.75;border:1px solid black; }
a.linkopacity img {filter:alpha(opacity=100); -moz-opacity: 1.0; opacity: 1.0;}
a.linkopacity:hover img {filter:alpha(opacity=50); -moz-opacity: 0.5; opacity: 0.5;}