Could you maybe include some code to your problem, what browser and version did you see this in. A screen shot will also be helpful to see what you are seeing. I've tested this on FF12 and IE9 and could not see any issues for October. The code is included below;
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "
http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>jQuery Date Time Inout</title>
<link rel="stylesheet" type="text/css" href="
http://www.jeasyui.com/easyui/themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="
http://www.jeasyui.com/easyui/themes/icon.css">
<script type="text/javascript" src="
http://code.jquery.com/jquery-1.7.2.min.js"></script>
<script type="text/javascript" src="
http://www.jeasyui.com/easyui/jquery.easyui.min.js"></script>
<script type="text/javascript">
$(function () {
$('#dd').datebox({
required: true
});
});
</script>
</head>
<body>
<form id="ff" method="post">
<div>
<label for="name">Date:</label>
<input id="dd" type="text"></input>
</div>
</form>
</body>
</html>
