Site that open a fancybox iframe, and in the i-frame there is a aspx - ajax page of other domain. just with IE10 in compatibility mode (No problem with others browsers), the page is just partially rendered, and when I click on a button (example to change the color of the bag) the page is correctly rendered.
First rendered:
After click on orange color:
UPDATE:
1) On a separate iframe (without fancybox) the page works perfectly.
2) It's not a cross-domain issue, problem exists also on my pc.