Can the jQuery UI Datepicker be made to disable Saturdays and Sundays (and holidays)?

Question

I use a datepicker for choosing an appointment day. I already set the date range to be only for the next month. That works fine. I want to exclude Saturdays and Sundays f

Answer 1

$("#selector").datepicker({ beforeShowDay: highlightDays });

...

var dates = [new Date("1/1/2011"), new Date("1/2/2011")];

function highlightDays(date) {

    for (var i = 0; i < dates.length; i++) {
        if (date - dates[i] == 0) {
            return [true,'', 'TOOLTIP'];
        }
    }
    return [false];

}