There is no calendar specified. Please specify the calendar name in the link's Parameter Basic section!!
You can subscribe to this calendar in your iCal or Outlook. You only need to do this once, and any time the Tri-Town Calendar is updated, your calendar will be updated with the new event(s).
In iCal, on the Calendar menu, click Subscribe and copy and paste this address:
In Outlook, on the Tools menu, click Account Settings. On the Internet Calendars tab, click New and copy and paste the above address.