After loading the applet you can drag around the surface and give it a kick to spin around.

You can generate your own surface: Take this Mathematica template , run it through Mathematica and paste the content of the file "surface.m" (which had been generated by the above code), at the corresponding place in that file. To get a HTML example, just grab one of the following examples and modify it. The Java Class files can be obtained here .

Ellipsoid Paraboloid
Hyperboloid Cylinder
Hyperbolid paraboloid

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