When I pass the cursor over the icons for "My Games" etc. they blink out of view for a brief second and then reappear. Also, when I bring up the "Print Page" or "Game History" pages, it takes several seconds for all of the pieces to blink onto the page. The board appears immediatly When clicking on the arrow to move forward or back, half the pieces disappear and then slowly, one by one, they blink back on. It all used to move seamlessly, nice and smooth. Once again, the board never disappears.
Any ideas what could cause this?