>Try refreshing several times in rapid succession (to get new messages). Depending on the number of messages, and the number of advertisements (on the right), the button bar at the bottom may partially cover the advertisements.
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>This is more an inconvenience for your advertisers than for users like me...
This is how the HTML browser reender the HTML code when it deals with table. It is impossible to detect where it'll be placed and aligned as this is control from the browser.