Walk mode:	Buttons	Action		Examine mode:	Buttons	Action
Navigation	W, Cursor Up arrow	Move Forward		Rotate Artefact	Pointer on artefact & right mouse hold down & mouse move	Arbitrarily rotate artefact
	S, Cursor Down arrow	Move Backwards
	A, Cursor Left arrow	Move Left - Pan Left		Query-by example	Left mouse click with mouse pointer on artefact	Perform query. Wait until 3D enviroment's content is updated
	D, Cursor Right arrow	Move Right - Pan Right
	Mouse movement	Viewpoint Direction
Switch between Walking/Examine mode	Right mouse click			Exit from Artefact Rotation mode	Left mouse click
Pressing the space bar will reset the client side and the virtual museum will be reloaded.				When rotating an artefact, a sphere will appear on top the active object at the same time a mouse icon will appear on screen. During this phase the virtual visitor can only perform panning movement.