As long as I'm not alone, then.
It's utterly mad- I thought it might be an image caching thing (the script works through image onLoads), but it turns out IE stops processing any Javascript you throw at it, even alert()s. Gaah.
test[doneimgs].src = image_url[doneimgs]+"?r="+Math.random();
Already tried that, cheers. Instead I have a huge problem of "stack overflow at line 0", which a quick Google tells me is the kind of problem no-one ever seems to solve.
Or post saying how.