Sorry site is in Danish. However, the problem is visual. Go to URL indicated, scroll all the way down, then up a screenful or so. You should see a daily strip. Click the "Rocky" graphic under the strip, a new strip will be loaded, but the graphics under the strip are cut in half - see attached screenshot. That problem goes away when graphics are moused over. Firefox does not have this behaviour.
Created attachment 7582 [details] A screenshot showing the problem Notice the graphics under the strip and above the grey line.
This bug might reduce to one of the existing repaint regressions.</optimism>
The problem can also be seen when the frame is opened in a new window. http://politiken.dk/VisArtikel.iasp?PageID=446666&TemplateID=16589
Created attachment 7585 [details] Reduction After the text disappear (which it should not), switch to a different tab and switch back to force a repaint.
Note that with the reduction, the fundamental problem is reproducible also in shipping Safari. The regression is probably due to some change that exposed the problem in more cases.
Created attachment 7881 [details] Another case of the same bug(?) This is reduced from a page at store.apple.com.
<rdar://problem/4556559>
See also bug 7204.
*** This bug has been marked as a duplicate of 7204 ***