Click the arrows next to the currently displayed month to scroll back and forth through the months.
Click an event to expand details.

If the calendar shows a blank screen, try your Refresh button.

Internet Explorer users... this page is best displayed with a different browser.
Try Google's Chrome or Mozzilla's Firefox if you have either of them, or get them with the links.
It is always a good idea to have two or three browsers installed because inevitabley, you will come across a page that your current browser will not display correctly.