Javascript:101, Week 2, Homework

Homework:


1) Exercises 3.1 from chapter 3 of Eloquent Javascript
My answer is at: http://jsfiddle.net/Gorlith/qAVyF/

2) Exercises 3.2 from chapter 3 of Eloquent Javascript
My answer is at: http://jsfiddle.net/Gorlith/Kyekg/

3)
a) http://jsfiddle.net/Gorlith/zxqkj/
b) http://jsfiddle.net/Gorlith/WPA6s/
c) http://jsfiddle.net/Gorlith/ueY4T/2/