У вашего броузера проблема в совместимости с HTML5
http://gameware.autodesk.com/scaleform
Matthew takes you through the Scaleform CLIK Layout framework in the Unity engine, game development software which enables UI developers to easily maintain the relative position of UI widgets regardless of the game client's resolution.
***Update***
Please note there have been changes to the C# code covered in this video. Available here:
http://forums.autodesk.com/t5/Scaleform-Unity-Development/Tutorials-NEW-VIDEO-10-22-2012/m-p/4806499#M2555