I want to develop 3d immersive Virtual environment on the web (website) [plugin independent /no installation] i.e a 3d website [3d Virtual tour of my university campus using avatar]

3d Virtual Tour of my university campus as my final project as my software engineering graduation As I'm a student and have Less available time and knowledge and also I must have to deposit the final working deliverable..
please help me and suggest tools for designing 3d immersive virtual environment on the web and platform and languages that supports me in this regard I've explored these names so far

--> I've found many platforms/technologies : Flash, WebGL, 3dmlw, GoogleO3d, Java3d, X3D, VRML, Unity3D, Infinity, 3d technology R&D
PaperVision3D,, Google SketchUp,HTML5, MAYA

or plz tell if any other available and not listed other not listed

Also please refer me to the person you think that he'll/she help me

please help me

I'm attaching the example video I want to do this by using Avatar i.e 3d immersive Virtual tour of university campus using avatar (website)

http://vimeo.com/9200197
http://vimeo.com/8316623

 

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