#generator-banner { height: 192px; overflow: hidden; margin-bottom: 24px; width: 420px; }
.fadeThis { position: relative; display: block; height: 192px; width: 420px; background:url(generator_banner_fade.gif) 0 0 no-repeat; }
.fadeThis * { display: none; }
.fadeThis span.hover { position: absolute; top: 0; left: 0; display: block; height: 192px; width: 420px; background:url(generator_banner_fade.gif) 0 -192px no-repeat; }