CSharp Pre-Loader, how get Load status?

I work on a pre-loader that will play an animation during charging. I see the method to load but I can not find anything to retrieve the status of the load?

I need to say:

-if the load is not complete => play the movie

-if the load is complete => the image appears

The application class have all that you need:

http://unity3d.com/support/documentation/ScriptReference/Application.html

Application.GetStreamProgressForLevel, its return a number between 0 and 1, when 1 is completly loaded, so, you can use this to make e.g. progress bars.

http://unity3d.com/support/documentation/ScriptReference/Application.GetStreamProgressForLevel.html