>>Not that I know of. I'm running DSL, and have the internet connection sharing for the laptop - but I'm writing this on the machine which is hooked directly to the DSL modem. Besides, this wasn't happening two days ago.
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>First, if you not already have done it, I would clear the cache and restart the browser. If it still occurs, I would see if you have it on another PC. If not, a reinstall of the browser might do as it might have corrupt some of its data somewhere. If you have another browser, that will also be a good test.

Trying Mozilla again (after cleaning cache), part 1.

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Same - the trace of Part 1 (i.e. last reply) still there. When I try to look at the frame source, I don't really see the current frame; I actually see the frame as it was when it first opened (with the content of the message which is the first in the treeview). This probably comes from the way the browser is retrieving the source - by polling the server with the same URL, so I'd rather have to look at the source coming from the reply button, but then it'd show me the same; if I opened it in a new tab, it would work anyway... so I'm really clueless as to what's stopping Mozilla from assigning a new content to the editbox.

Well, never mind - I have an easy workaround, and there are about ten of us around here who use Mozilla. It works in other browsers.