What is wrong with the forum software?

[Icemage]

For the past couple of weeks, Blu-ray.com forum has been doing this to me:

When I first Post Reply or Post New Thread, I get this, as normal:



But the moment I mouse over any of the toolbar buttons (smilies, font pulldown, undo, redo, boldface, whatever), the text box window spontaneously (and randomly) resizes itself...



And more often than not, it ends up looking like this:



I'm using Opera 9 as my browser. I can open the page fine in Internet Explorer... but I despise using IE, and this has only been happening recently.

Any ideas?