public void addTagHandler (String tagname, Class handlerClass) { handlerClasses.put (tagname.toUpperCase(), handlerClass);
public void addTagHandler (String tagname, String handlerClassName) throws ClassNotFoundException { handlerClasses.put (tagname.toUpperCase(), getClass().forName (handlerClassName));
    public void addTagHandler (String tagname, Class handlerClass) {	handlerClasses.put (tagname.toUpperCase(), handlerClass);    }