public static String writeIntroducedFunctions(String[] functions) {
		StringBuffer s = new StringBuffer("");

		s.append("<h2 class=\"Title\">"
				+ Tools.getLocalizedString("INTRODUCED_FUNCTION") + "</h2>");
		for (int i = 0; i < functions.length; i++) {
			try {
				String name = "Function" + i + ".png";
				createImageForFunction(functions[i], i + 1, name);
				s.append("<img src=\"Function" + i + ".png" + "\" /><br />");
				s.append("\n", 0, 1);

			} catch (Exception e) {
				System.err.println(e.getMessage());
			}

		}
		s.append("<h2 class=\"Title\">"
				+ Tools.getLocalizedString("MINIMISED_FUNCTION") + "</h2>");

		return s.toString();
	}