Bootstrap Datepicker
http://stackoverflow.com/q/24981072/1093087
HTML
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.3.0/css/datepicker3.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.3.0/js/bootstrap-datepicker.js"></script>
<div id="sandbox-container">
<input type="text" type="text" class="form-control" />
</div>
JavaScript
var todayDate = new Date();
var maxDate;
todayDate.setDate(todayDate.getDate()-5);
maxDate.setDate(todayDate.getDate()+5);
$('#sandbox-container input').datepicker({
autoclose: true,
startDate : todayDate,
endDate : maxDate
});