function GetDayName ( theDay : TDayofWeek ) : string ;
Description
The GetDayName function can be used to retrieve the textual name for a
specified day of the week. The theDay parameter specifies what day of the
week you would like the name for, and is of type TDayofWeek .
The function result will be the textual name of the specified day. If the
specified day name has been overridden using the SetDayName procedure,
the overridden day name will be returned.
