title: JavaFX how to change stage
body: <p>I'm using Netbeans 7.2 with Scene Builder 1.0 to develop a JavaFX application. I have my main screen set up, and I want to have it so I click a button and it'll close the main window and open another. The main Stage object is located in the main class, but the controller class is separate, and can't access it since it's not static and in a different class. How do I change the scene or stage?</p>