To enable Javascript:

1- Go to "Tools"... "Internet Options" in your browser menu.

2- In the resulting "Internet Options" dialog box,

3- Click the "Security" tab,

4- Then click the "Custom level..." button there.

5- Now, in "Security Settings - Internet Zone" Window,

6- Scroll down in the list to "Scripting",

7- "Enable" or "Prompt" "Active scripting",

8- "Enable" or "Prompt" "Scripting of Java applets",

9- Click OK twice.

10- Click on the Newmat Logo up on the left, and Refresh your page.