n error
         has occurred and can determine what is wrong. The error message should be as specific
         as possible. 
         						In the case of an unsuccessful form submission, re-displaying the form and indicating
         the fields in error is insufficient for some users to perceive that an error has occurred.
         Screen reader users, for example, will not know there was an error until they encounter
         one of the indicators. They may abandon the form altogether before encountering