
a#stopwatchsample img { background-image : url('graphics/otapp_obj.gif'); }
a#stopwatchsample:hover img { background-image : url('graphics/otapphov_obj.png'); }

a#observersample img { background-image : url('graphics/otapp_obj.gif'); }
a#observersample:hover img { background-image : url('graphics/otapphov_obj.png'); }

a#flightbonussample img { background-image : url('graphics/otapp_obj.gif'); }
a#flightbonussample:hover img { background-image : url('graphics/otapphov_obj.png'); }

a#ordersystemsample img { background-image : url('graphics/otapp_obj.gif'); }
a#ordersystemsample:hover img { background-image : url('graphics/otapphov_obj.png'); }

a#atmsample img { background-image : url('graphics/otapp_obj.gif'); }
a#atmsample:hover img { background-image : url('graphics/otapphov_obj.png'); }