Hmm? That is most excessively weird.

Is the photo grid on a web page? Go to Page Options > General. Does the Document Type say web page?

Can you save one of the pages and upload it here? Right click on a page and select Copy Page then create a new website and Paste Page. Then File > Save as... Name the page and upload the .xar or .web file here and we will see if we can figure out just what in the world is going on.