src/main/java/org/efaps/ui/wicket/behaviors/dojo/AbstractDojoBehavior.java
@Override
    public void renderHead(final Component _component,
                           final IHeaderResponse _response)
    {
        super.renderHead(_component, _response);
        _response.render(new PriorityHeaderItem(new DojoHeaderItem(AbstractDojoBehavior.JS_DOJO,
                        AbstractDojoBehavior.class.getName())));
        final String clazz = Configuration.getAttribute(ConfigAttribute.DOJO_CLASS);

        ResourceReference reference = null;
        if ("tundra".equals(clazz)) {
            reference = AbstractDojoBehavior.CSS_TUNDRA;
        } else if ("claro".equals(clazz)) {
            reference = AbstractDojoBehavior.CSS_CLARO;
        } else if ("nihilo".equals(clazz)) {
            reference = AbstractDojoBehavior.CSS_NIHILO;
        } else if ("soria".equals(clazz)) {
            reference = AbstractDojoBehavior.CSS_TUNDRA;
        }
        if (reference != null) {
            _response.render(CssHeaderItem.forReference(reference));
        }
    }
@Override
    public void renderHead(final Component _component,
                           final IHeaderResponse _response)
    {
        super.renderHead(_component, _response);
        _response.render(new PriorityHeaderItem(new DojoHeaderItem(AbstractDojoBehavior.JS_DOJO,
                        AbstractDojoBehavior.class.getName())));
        final String clazz = Configuration.getAttribute(ConfigAttribute.DOJO_CLASS);

        ResourceReference reference = null;
        if ("tundra".equals(clazz)) {
            reference = AbstractDojoBehavior.CSS_TUNDRA;
        } else if ("claro".equals(clazz)) {
            reference = AbstractDojoBehavior.CSS_CLARO;
        } else if ("nihilo".equals(clazz)) {
            reference = AbstractDojoBehavior.CSS_NIHILO;
        } else if ("soria".equals(clazz)) {
            reference = AbstractDojoBehavior.CSS_TUNDRA;
        }
        if (reference != null) {
            _response.render(CssHeaderItem.forReference(reference));
        }
    }
Render the links for the head.

@see org.apache.wicket.behavior.AbstractBehavior#renderHead(org.apache.wicket.markup.html.IHeaderResponse)
@param _component component the header will be rendered for
@param _response resonse to add