strange error: all text input fields mysteriously locked to keypresses

[eluser]edwardmolasses[/eluser]
Hi everyone,

I'm getting a funny error that blocks me from typing into text input fields, and it's suddenly happening all over our site and i was hoping someone might have a suggestion. Strangely these pages were working fine a couple months ago. What's worse is it only happens in ie6 and what's worst of all is the error console says no errors are happening at all!

Here are some cases where we find this error:

1. In one page, selecting a date in a javascript calendar will lock all text input fields (by locked i mean, i can't type anything into the field, but it's possible to paste text in). No other fields are affected though: drop downs, check boxes and radios are fine.

2. In another the same thing happens after i submit a form within lytebox except i can't even paste text in.

3. And in one other page, the fields are disabled as soon as the lytebox loads.

Some other information that might be relevant is we're using scriptaculous and lytebox and a javascript calendar
Any suggestions at all would be very welcome!

thank you,
andrew.