This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
You should check with your browser and IT department. If JS is filtered by firewall, probably you can still use flash, or Java applet. A browser can have another extensions recently proposed by Adobe, Google, and Microsoft.