Hi Denis,
Sry for the delay, This week I'm on the road, not much net time. I saw that Chen answered the question.
http://www.baiyujia.com/ works on my FireFox.
I do not see why the free versions are protected by password, or how to achieve one. Mail Chen, and possibly you might provide the procedure for us.
Lutz
Words are given to man to enable him to conceal his true feelings.
Charles Maurice de Talleyrand-Périgord
Weeks of programming can save you hours of planning.
OffThere is no place like [::1]