private static void addFreeBurnUI() {
    final MultipleDocumentInterface mdi = UIFunctionsManager.getUIFunctions().getMDI();
    MdiEntry existingEntry = mdi.getEntry(MultipleDocumentInterface.SIDEBAR_HEADER_DVD);
    if (existingEntry != null) {
      // abandon all hope, something already added DVD stuff
      return;
    }
    mdi.registerEntry(
        MultipleDocumentInterface.SIDEBAR_SECTION_BURN_INFO,
        new MdiEntryCreationListener() {
          public MdiEntry createMDiEntry(String id) {

            MdiEntry entryAbout =
                mdi.createEntryFromSkinRef(
                    MultipleDocumentInterface.SIDEBAR_HEADER_DVD,
                    MultipleDocumentInterface.SIDEBAR_SECTION_BURN_INFO,
                    "main.burn.ftux",
                    MessageText.getString("mdi.entry.about.dvdburn"),
                    null,
                    null,
                    false,
                    null);
            entryAbout.setImageLeftID("image.sidebar.dvdburn");
            entryAbout.setExpanded(true);

            entryAbout.addListener(
                new MdiEntryDropListener() {
                  public boolean mdiEntryDrop(MdiEntry entry, Object droppedObject) {
                    openTrialAskWindow();
                    return true;
                  }
                });

            MenuManager menuManager =
                PluginInitializer.getDefaultInterface().getUIManager().getMenuManager();
            MenuItem menuHide =
                menuManager.addMenuItem(
                    "Sidebar." + MultipleDocumentInterface.SIDEBAR_SECTION_BURN_INFO,
                    "popup.error.hide");
            menuHide.addListener(
                new MenuItemListener() {
                  public void selected(MenuItem menu, Object target) {
                    mdi.closeEntry(MultipleDocumentInterface.SIDEBAR_SECTION_BURN_INFO);
                  }
                });

            return entryAbout;
          }
        });

    mdi.addListener(
        new MdiEntryLoadedListener() {
          public void mdiEntryLoaded(MdiEntry entry) {
            if (!entry.getId().equals(MultipleDocumentInterface.SIDEBAR_HEADER_DVD)) {
              return;
            }
            MdiEntryVitalityImage addSub = entry.addVitalityImage("image.sidebar.subs.add");
            addSub.addListener(
                new MdiEntryVitalityImageListener() {
                  public void mdiEntryVitalityImage_clicked(int x, int y) {
                    openTrialAskWindow();
                  }
                });
          }
        });

    mdi.registerEntry(
        MultipleDocumentInterface.SIDEBAR_SECTION_PLUS,
        new MdiEntryCreationListener() {
          public MdiEntry createMDiEntry(String id) {
            String title =
                MessageText.getString(
                    FeatureManagerUI.hasFullLicence()
                        ? "mdi.entry.plus.full"
                        : "mdi.entry.plus.free");
            String placeBelow =
                mdi.getEntry(MultipleDocumentInterface.SIDEBAR_SECTION_WELCOME) == null
                    ? ""
                    : MultipleDocumentInterface.SIDEBAR_SECTION_WELCOME;

            MdiEntry entry =
                mdi.createEntryFromSkinRef(
                    MultipleDocumentInterface.SIDEBAR_HEADER_VUZE,
                    MultipleDocumentInterface.SIDEBAR_SECTION_PLUS,
                    "main.area.plus",
                    title,
                    null,
                    null,
                    true,
                    placeBelow);
            entry.setImageLeftID("image.sidebar.plus");
            return entry;
          }
        });
    if (ConfigurationChecker.isNewVersion()
        && !ConfigurationChecker.isNewInstall()
        && !hasFullLicence()) {
      SBC_PlusFTUX.setSourceRef("startup");
      mdi.showEntryByID(MultipleDocumentInterface.SIDEBAR_SECTION_PLUS);
    }
  }
  /**
   * @param url
   * @param target
   */
  private void showURL(final String url, String target) {

    if ("_blank".equalsIgnoreCase(target)) {
      Utils.launch(url);
      return;
    }

    if (target.startsWith("tab-")) {
      target = target.substring(4);
    }

    MultipleDocumentInterface mdi = UIFunctionsManager.getUIFunctions().getMDI();

    if (MultipleDocumentInterface.SIDEBAR_SECTION_PLUS.equals(target)) {
      SBC_PlusFTUX.setSourceRef(url.substring(1));
      mdi.showEntryByID(target);
      return;
    }

    // Note; We don't setSourceRef on ContentNetwork here like we do
    // everywhere else because the source ref should already be set
    // by the caller
    if (mdi == null || !mdi.showEntryByID(target)) {
      Utils.launch(url);
      return;
    }

    MdiEntry entry = mdi.getEntry(target);
    entry.addListener(
        new MdiEntryOpenListener() {

          public void mdiEntryOpen(MdiEntry entry) {
            entry.removeListener(this);

            mainWindow.setVisible(true, true);

            if (!(entry instanceof SideBarEntrySWT)) {
              return;
            }
            SideBarEntrySWT entrySWT = (SideBarEntrySWT) entry;

            SWTSkinObjectBrowser soBrowser = SWTSkinUtils.findBrowserSO(entrySWT.getSkinObject());

            if (soBrowser != null) {
              // ((SWTSkinObjectBrowser) skinObject).getBrowser().setVisible(false);
              if (url == null || url.length() == 0) {
                soBrowser.restart();
              } else {
                String fullURL = url;
                if (UrlFilter.getInstance().urlCanRPC(url)) {
                  // 4010 Tux: This shouldn't be.. either determine ContentNetwork from
                  //           url or target, or do something..
                  fullURL =
                      ConstantsVuze.getDefaultContentNetwork().appendURLSuffix(url, false, true);
                }

                soBrowser.setURL(fullURL);
              }
            }
          }
        });
  }