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