Wikipedia also has nice pages on LZ77 and Huffman coding. (slaw.ca)
It's a cool authoring tool, here are some of the highlights: Nice page transitions Cool roll - overs Pre-built flash objects to customize Hot spot assessment questions Course can finish with a form object to enter user details and produce certification Over 250 course -LSB-...] (litmos.com)
The site has some very nice pages devoted to FFA / SwoM, SoM and SD3. (seikens.com)