body {background-image: url('/images/watplogobw.jpg'); background-attachment: fixed; background-position: bottom right; background-repeat: no-repeat;}

#logo {position: absolute; bottom: 0px; right: 0px; width: 200px; height: 120px;}
#logo a {position: absolute; top: 0px; left: 0px; width: 200px; height: 120px; text-decoration: none;}
#logo a span {visibility: hidden;}
#logo a:hover {background-image: url('/images/watplogo200.jpg'); background-repeat: none; background-color: transparent;}