open up expense.html
responsive form according to the user input. Some Fields need to match a pattern to be valid (see below)
Social Security: ddd-ddd-ddd or ddddddddd
Account: ACTdddddd
Department: DEPTdddddd
Project: PROJdddddd
See also Professor's Assignment description in pdf: Assignment_02_JS_Ajax_CEWP339_B1_2014.pdf