protected void navLinkIndex() {
        navCellStart();
        printHyperLink(relativePath +
                           (configuration.splitindex?
                                DirectoryManager.getPath("index-files") +
                                fileseparator: "") +
                           (configuration.splitindex?
                                "index-1.html" : "index-all.html"), "",
                       configuration.getText("doclet.Index"), true, "NavBarFont1");
        navCellEnd();
    }