reviewed sections 6 and 7

git-svn-id: http://es-lab.googlecode.com/svn/trunk@724 aeea10e6-ec39-11de-83d8-6d5adf01d787
added thenDeposit method to code. Not yet to text


git-svn-id: http://es-lab.googlecode.com/svn/trunk@725 aeea10e6-ec39-11de-83d8-6d5adf01d787