private static void init() {
		Class<Selenium> selC = Selenium.class;
		for (Method m : selC.getMethods()) {
			Class<?>[] types = m.getParameterTypes();
			if (types.length == 0) {
				methods.put(m.getName(), m);
				continue;
			}
			for (Class<?> t : types) {
				if (!t.isAssignableFrom(String.class)) {
					continue;
				}
			}
			methods.put(m.getName(), m);
		}
	}