I earlier made some sort of 3d engine with javascript and html5/canvas with colored polygons, using a javascript version of Yourself's 3d to 2d/2d to 3d conversion game maker scripts.
Today I finally found some code to draw textured triangles:
http://stackoverflow.com/questions/47...
and made a textured model in Blender.
Now I'm thinking about translating my collision engine to javascript.