[quote author=bloggerics link=topic=1.msg7002#msg7002 date=1280897511]
well this is great effort :)
i am a UN teacher, currently psoted in indonesia and this post helps me a lot -*-
[/quote]

U can also check out http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=1585.0
they are both great applets :)