</div>
         <div id="header">
             <div id="logo">
-                <a href="/"><img src="{{ STATIC_URL }}img/logo-bez.png" alt="WolneLektury.pl" /><br/>szkolna biblioteka internetowa</a>
+                <a href="/"><img src="{% block logo_url %}{{ STATIC_URL }}img/logo-bez.png{% endblock %}" alt="WolneLektury.pl" /><br/>szkolna biblioteka internetowa</a>
             </div>
             <div id="user-info" style="display:none">
                 {% if user.is_authenticated %}
                                {% endblocktrans %}
             </p>
 
+            {% block add_footer %}{% endblock %}
+
                        {% sponsor_page "footer" %}
         </div>
         <div id="login-register-window">