How can I fix Appointments + on my site? While the calendar shows, none of the dates respond to cli

Appointments + is not working at all currently...I went through the tutorial but to no avail. None of the dates (although the colors indicate they should be) are clickable and so appointments can't be set. Can't get past the calendar screen to actually book an appointment. Please help. Site is: http://hiwebdesigns.com/make-an-appointment/