public void openAboutDialog() {
new AboutDialog(getShell()).open();
}
public Composite openEmployeeControlCenter(Composite componentsAreaComposite) {
employeeControlCenter = new EmployeeControlCenter(componentsAreaComposite, SWT.NONE);
if(newEmployeeControlCenter != null && !newEmployeeControlCenter.isDisposed()) {
newEmployeeControlCenter.addPropertyChange(employeeControlCenter);
}