* html a:hover { visibility: visible; }

div.rollover { float: right; width: 38px; }
div.rollover a { display: block; }
div.rollover img { border: 0; }
div.rollover a:hover img { visibility: hidden; }

div.nonrollover { float: right; width: 38px; }
div.nonrollover a { display: block; }
div.nonrollover img { border: 0; }

body, td { font-family: verdana, sans-serif; }