Mega Code Archive
Auto focus textfield
<![CDATA[
<html>
<head>
<SCRIPT LANGUAGE="JavaScript">
function autofocus(field, limit, next, evt) {
evt = (evt) ? evt : event;
var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode :
((evt.which) ? evt.which : 0));
if (charCode > 31 && field.value.length == limit) {
field.form.elements[next].focus();
}
}
</SCRIPT>
</head>
<body>
<form>
Credit Card Number:
<input type="text" name="cc1" size="5" maxlength="4"
onkeypress="return numeralsOnly(event)"
onkeyup="autofocus(this, 4, 'cc2', event)">
<input type="text" name="cc2" size="5" maxlength="4"
onkeypress="return numeralsOnly(event)"
onkeyup="autofocus(this, 4, 'cc3', event)">
<input type="text" name="cc3" size="5" maxlength="4"
onkeypress="return numeralsOnly(event)"
onkeyup="autofocus(this, 4, 'cc4', event)">
<input type="text" name="cc4" size="5" maxlength="4"
onkeypress="return numeralsOnly(event)">
</form>
</body>
</html>
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