start:Number - for use with Flash Media Server, see:
http://livedocs.adobe.com/fms/2/docs/00000588.html.
len:Number - for use with Flash Media Server, see:
http://livedocs.adobe.com/fms/2/docs/00000588.html.
reset:Object - for use with Flash Media Server, see:
http://livedocs.adobe.com/fms/2/docs/00000588.html.
[Added link to specific page in FMS reference: 5/23/07]