Safari does not load page completely
On some pages, Safari loads pages partially. For instance, if I go to "theweathernetwork.com" (which is a page that contains sub-windows), some times, it loads only the first sub-window of the page and not the entire page. I have to refresh the page several times to get the entire page displayed completely. I have the same problem with other sites. That seems to occur randomly. I could access a site without problem at some time, but if I return to the same site later, I could have the problem explained above. Any ideas for this problem? Thanks.
iMac, OS X Mountain Lion (10.8.2), Airport Extreme, Time Machine