Panorama navigation II

There was a bug in my "draggable navigation type". Instead of navigating the panorama -- Internet Explorer sometimes tried to drag&drop the image. After half an hour of searching the internet and javascript programming I think now it should be OK.

Now the question is - What should be the default navigation type?

Mouseover navigation
Just move the mouse pointer over the panorama:



...or...

Draggable navigation
Click on the panorama and move the mouse:



PS. Tried it with Internet explorer 6, Firefox 2.0 and Opera 9.2. I hope it works in IE7 ;)