Show only section-nav buttons inside the page

Documentation/lilypond-texi2html.init

@@ -196,11 +196,18 @@ sub lilypond_print_element_header
       @this_page_toc = lilypond_generate_page_toc_body($Texi2HTML::THIS_ELEMENT);
     }
   }
-  return T2H_DEFAULT_print_element_header( $fh, $first_in_page, $previous_is_top);
-}
-
-
+#    return T2H_DEFAULT_print_element_header( $fh, $first_in_page, $previous_is_top);
 
+    if (($first_in_page or $previous_is_top) and $SECTION_NAVIGATION)
+    {
+      &$print_head_navigation($fh, \@SECTION_BUTTONS);
+    }
+    else
+    { # got to do this here, as it isn't done in print_head_navigation
+      main::print_lines($fh, $Texi2HTML::THIS_HEADER);
+      &$print_navigation($fh, \@INSIDE_SECTION_BUTTONS) if ($SECTION_NAVIGATION);
+    }
+}
 
 
 
@@ -433,6 +440,13 @@ sub lilypond_print_navigation
      'right-aligned-cell-2', 'Forward'
     );
 
+@Texi2HTML::Config::INSIDE_SECTION_BUTTONS = 
+    ('left-aligned-cell-2', 'Back',
+     'center-aligned-cell-1', 'Up',
+     'right-aligned-cell-2', 'Forward'
+    );
+
+
 # $Texi2HTML::Config::SPLIT = 'section';
 # @Texi2HTML::Config::CSS_REFS = ("lilypond.css");
 $Texi2HTML::Config::USE_ACCESSKEY = 1;