/**
  * This method uses a FacesContext to find the current person who is logged in. It then loads the
  * current login object from the EJB
  */
 public void loadLogin() {
   FacesContext context = FacesContext.getCurrentInstance();
   String username = context.getExternalContext().getUserPrincipal().getName();
   currentLogin = detentionTrackerBean.getLogin(username);
 }