Page content cut off at bottom of tour, no scrolling

I have embedded a tour using an iFrame in another page.
The first problem is that the scroll for the page seems to be determined only by the vertical extent of the pano tour, though there is other content below it. The second problem is likely related to the first. When I change the zoom level of the page to 110% or greater, the content other than the pano tour is cut off below the tour. See attached.

Sorry, this problem had nothing to do with krpano. My html style was set as overflow:hidden. Changed to visible and all is well.
Thanks!