added files for TOC app (toc links not working)
 modified files for TOC app (toc links working)
added toc2.js - another way to code the jquery
modified regular TOC App to include enhancements
Added files for slide show using DOM traversal(2 ways)
modified TOC_enhanced app to reflect enhancement from exercise 9-1
Merge pull request #13 from adelman1/jquery-ch9

Jquery ch9 apps & exercises