title: jQuery UI DatePicker - Disable all days except first and 15th day of each month
body: <p>I want to disable all days on this datepicker except the 1st and 15th of every month. I referenced this answered question, but I am only able to return one date. I'm a novice in javascript. <a href="https://stackoverflow.com/questions/3712294/jquery-ui-datepicker-disable-all-days-except-last-day-of-month">jQuery UI DatePicker - Disable all days except last day of month</a></p>
  
  <p>Any help would be great, thank you.</p>