Can I load CSS style sheets dynamically at runtime?
Dynamic loading of CSS files is not supported in Flex. CSS in Flex is processed on the server side during MXML compilation rather than on the client side at runtime. There is a trick though: A CSS file can be compiled into a separate SWF file and loaded dynamically into the application using the Loader component. Read more about this topic on Manish Jethani’s blog at http://www.livejournal.com/users/mannu/286686.html.