Here is another version from Browian motion design by prof Heang,, modified layout by Ahmed.
This applet design using JDK1.0.2.
Original applet on [url=http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=24.0]Brownian Motion[/url]
I upload zip file,,after download unzip file and access applet.
Enjoy!