Mozilla Firefox 18.104.22.168
Windows XP SP2
Cursor (caret) sometimes fails to appear in input text fields
After a very arduous search for an efficient solution I only found one that is most practical (in my situation): place to the focus elsewhere before returning it to the input field, i.e.,
I tried using some CSS suggestions but none of them really worked, or if it did is not practical because it normally destroys my layout. I decided to just put the focus to the document body because of its convenience (and least number of side effects) before returning it to the input field.