*  prefix "File:" 
     *  @throws IOException if a network error occurs
     *  @since 0.16
     */
    public String[] getImagesOnPage(String title) throws IOException
    {
        String url = query + "prop=images&imlimit=max&titles=" + URLEncoder.encode(normalize(title), "UTF-8");
        String line = fetch(url, "getImagesOnPage");

        // xml form: <im ns="6" title="File:Example.jpg" />
        ArrayList<String> images = new ArrayList<String>(750);
        for (int a = line.indexOf("<im "); a > 0; a = line.indexOf("<im ", ++a))
            images.add(decode(parseAttribute(line, "title", a)));
        
        int temp = images.size();
        log(Level.INFO, "Successfully retrieved images used on " + title + " (" + temp + " images)", "getImagesOnPage");
        return images.toArray(new String[temp]);
    }