Stringato stringato:
codice:
<html>
<head>
<script type="text/javascript">
function goToField() {
    document.getElementById("laForm").campo.focus();
}
</script>
</head>
<body onkeydown="goToField();">
<form id="laForm">
<input type="text" name="campo" />
</form>
</body>
</html>
Per iniziare...

HTH
Zappa