add.addActionListener(new java.awt.event.ActionListener() {
	          public void actionPerformed(java.awt.event.ActionEvent e) {
		            try {
		        		System.out.println("Add row");
		        		Employer emp = new Employer();
		        		emp.setLastName(lname.getText());
		        		emp.setFirstName(fname.getText());
		        		emp.setDob(Date.valueOf(dob.getText()));
		        		emp.setDoe(Date.valueOf(doe.getText()));
		        		emp.setSalary(Double.parseDouble(salary.getText()));
		        		EmpTypes et = em.getETypeManager();
		        		emp.setEt(et);
		        		sm.addManager(nod.getText(), inst.getText(), emp);
		        		maf.setVisible(false);
        		
		            }
		            catch (Exception ex) {
		              JOptionPane.showMessageDialog(null, ex.getMessage());
		            }
		          }
		        });

 catch (Exception ex) {
		            	if (ex.getMessage().isEmpty())
		              JOptionPane.showMessageDialog(null, "Incorrect date!");
		            	else
		              JOptionPane.showMessageDialog(null, ex.getMessage());
 }