Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
D
I just got word from someone on the team. They said this is actually expected behavior due to Mac not recognizing the SketchUp materials. It's not a SketchUp bug but more an operating system thing.