ActionScript for Flash MX: The Definitive Guide, 2nd Edition By Colin Moock
Chapter 18. ActionScript Language Reference
Date.getYear( ) Method
Flash 5
the year, relative to 1900
date.getYear()
Returns
The value of date.getFullYear( ) minus 1900. For example, getYear( ) of 1999 is 99, getYear( ) of 2001 is 101, and getYear( ) of 1800 is -100. This function is most useful for dates in the twentieth century.