Renders an Event Detail Page for links generated by @BRT.Calendar().

This Helper only works in combination with @BRT.Calendar().  The only parameter it accepts is returnPage - which names the Page with the @BRT.Calendar().
Required Parameters
returnPage: The friendly name of the target page.
Example: returnPage:"calendar"
This parameter is used in the @BRT.CalendarDetail() Helper to designate the page containing the @BRTCalendar Helper.  Use the friendly name of the page.