Create 6 javascript functions

We would like you to create 6 javascript functions - 1. A function that triggers if you click forward in the browser 2. A function that triggers if you click back in the browser 3. A function that triggers if you refresh the page 4. A function that triggers if you close the page 5. A function that only triggers if you leave the desired website to go to another website via going back forward, typing in a new url or clicking a link to another website 6. A function that triggers if you click a hyperlink, submit a web form, areamap or image button. All functions need to be independent of each other and work across firefox, safari & ie 6, 6.5,7,8