It's not possible to load any COLLADA model

[Google Code Exporter]

What steps will reproduce the problem?
1. create any model in google sketchUp 8, e.g. just cube
2. File -> Export -> 3D model -> choose COLLADA dae format
3. convert file dad find scene.json generated file
4. adjust link to generated scene in simpleviewer.html to point to new file, 
line 288
5. simpleviewer.html doesn't work in any browsers (safari, google chrome, 
firefox)

What is the expected output? What do you see instead?
model should be shown

What version of the product are you using? On what operating system?

What hardware are you using:  graphics card type?  motherboard type?
2.53 GHz Intel Core 2 Duo, Mac OS X Lion 10.7.2 (11C74), NVIDIA GeForce 9400M 
256 MB

Please provide any additional information below.

Original issue reported on code.google.com by [e-mail] on 24 Feb 2012 at 9:56