Navigation is easy!
By mouse : Position your cursor around the center of the image. Click and hold down the left mouse button. Still holding down the left mouse button, drag the pointer to any direction you wish to view - up, down, left or right - as if you were really there!
iPIX toolbar
Use the arrows "^, v, <, >" to move up, down, left or right. The square button in the center stops the movement.
Zoom in or out by clicking the respective magnifying glass button. Click the "i" button for more detailed navigation help.
By keyboard
Left and right arrows pan the view. Up and down arrows tilt the view. "+" key magnifies and "-" key minifies the view.