ActionScript for Flash MX: The Definitive Guide, 2nd Edition By Colin Moock
Chapter 18. ActionScript Language Reference
Date.setMilliseconds( ) Method
Flash 5
assign the milliseconds of a date
date.setMilliseconds(ms)
Arguments
ms
An integer from 0 to 999, representing the new milliseconds of date, not the number of milliseconds since 1970. Values above 999 or below 0 are carried over to the seconds of date.
Returns
An integer representing the number of milliseconds between the new date and midnight, January 1, 1970.