02_check_box

insert file: 
http://javascript.3wcollege.ca/sites/default/files/09_event_%20checked.html
http://javascript.3wcollege.ca/sites/default/files/04_add_Listerner_click.html
http://javascript.3wcollege.ca/sites/default/files/05_set_%20checked.html
http://javascript.3wcollege.ca/sites/default/files/06_check_if_%20checked.html
http://javascript.3wcollege.ca/sites/default/files/07_if_%20checked.html
http://javascript.3wcollege.ca/sites/default/files/08_pizza_topping.html
http://javascript.3wcollege.ca/sites/default/files/Facialsandtatoo2.html
http://javascript.3wcollege.ca/sites/default/files/Facialsandtatoo4.html
http://javascript.3wcollege.ca/sites/default/files/Facialsandtatoo5.html
http://javascript.3wcollege.ca/sites/default/files/Facialsandtatoo61.html