edition 2014/10/09
delete Accdetails,Agentdetails,Rep Details classes and create UserDetails clas inBusiness logic
create UserTableModel class instead of Accountanttablemodel  & repTable model in BusinessLogic

Reduse common methods to one method in DBOPP class 
checkData class instead of check agert,rep,accountant username and email classes
checklogin class instead of login agert,rep,accountant ID classes

do other settings in other ck\lasses  because of errors due to these settings
checkID class instead of check agert,rep,accountant ID classes

deleted unwanted comments in code and classes