FFXI site loading wrong in Firefox browser.Follow

ffxi.allakhazam.com site is loading incorrectly on Firefox 1.5.0.7.

The left-hand side menu often takes up 50% of the whole screen: screenshot

I have to constantly keep refreshing the page for it to load correctly (which it sometimes does).

edit:
discovered a possible cause:
screenshot
This one advert on the bottom of the menu can be 600 pixels wide.



Edited, Sep 26th 2006 at 12:11pm EDT by Scalor