急急。。。Flex4 Module中不能Alert？

http://bbs.airia.cn/thread-10383-1-1.html

ModuleLoader.loadPolicy
http://www.tink.ws/blog/flex-4-modules/

A flex code example using module
http://www.riameeting.com/examples/parsley_module/srcview/index.html

Create an ActionScript-Based Module
http://mijimiji.com/blog/?p=54