<html>
<head>
<script type="text/javascript">
function changeTabIndex()
{document.getElementById('check3').tabIndex="1"document.getElementById('check1').tabIndex="3"}
</script>
</head>
<body>
<p>Try navigating the links on this page by
using your "tab" button on you keyboard</p>
<form><input type="checkbox" id="check1" tabIndex="1" /><br />
<input type="checkbox" id="check2" tabIndex="2" /><br />
<input type="checkbox" id="check3" tabIndex="3" /><br />
<input type="button" onclick="changeTabIndex()"
value="Change tabIndex" />
</form>
</body>
</html>