Accessibility: Enlarging text in Flex

I’m currently busy for a project at theFactor.e which needs the fontsize to be set a couple of point bigger and back again to increase accessibility of the webapplication. This is what I ended up with and this is how it is done:

It all works with 3 stylesheets. In my example default, normal and enlarged. The default works like a normal stylesheet and is added like this to your application: Continued