jQuery UI: Date Picker

Date Picker

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.18/themes/mint-choc/jquery-ui.css">
    <input id="datepicker" type="text">

JavaScript

jQuery(document).ready(function($) {
    $( '#datepicker' ).datepicker({
        numberOfMonths: 2,
        beforeShowDay: disableDate
    });


    function disableDate(date) {
        var day = date.getDay();
        return [( day!=0 && !(day==6 && date.getDate() <= 7)), ''];
    }
});