loading time long and bar keeps on loading even after tour is fully viewable

hi there
i have a small problem using the kr 1.8 .b the files size is normal from others tours i have made ,only with this this tour the first time i load a page it takes time to load and when the tour is loaded the bar shows a full loading bar that stays on display for 30-40 sec ,the second time i load it the problem is gone but it reappears when i empty the cash ,....
any ideas what that might be

for a link to the problem
http://www.deja-view.org/static/panoram…dega/index.html

please help
thanks
rahim

thanks tour
i dicovered something weird when i press the zoom button or change the field FOV setting the problem disapears .wonder what that is ??\
thanks for your help anyways