http://www.gskinner.com/blog/archives/2007/11/replace_actions.html
http://www.flashguru.co.uk/undocumented-actionscript-3
http://www.flashguru.co.uk/actionscript-3-new-capabilities
http://tyleralanlarson.com/blog/2007/05/undocumented-actionscript-3.html
http://www.danielhai.com/blog/?p=13
http://www.laflash.org/node/383
