Following are some flash resources websites.
http://www.smartwebby.com/Flash_and_ASP/Flash_validation_of_fields.asp
http://board.flashkit.com/board/archive/index.php/f-30-p-1.html
http://board.flashkit.com/board/archive/index.php/f-30-p-133.html
http://www.actionscripts.org/tutorials.shtml
http://maclab.guhsd.net/flash/intro.html