You can download the source code by your self, you will find up the applet option allowed you download source code, choose first [b]download file[/b] and after click [b]Get files for offline use[/b]
I attach image explain how you download source code for any applet in NTNU.
[img]http://www.phy.ntnu.edu.tw/ntnujava/index.php?action=dlattach;topic=345.0;attach=4079;image[/img]