Fossil

                document.querySelector('.timelineCurrent .tl-nodemark');
      return tn ? tn.id : 'm1';
    }
    function focusNextId(id,dx){
      var m = /^m(\d+)$/.exec(id);
      return m!==null ? 'm' + (parseInt(m[1]) + dx) : null;
    }
    function focusRowinfoEnum(i){
      var td = document.getElementById('timeline-data-' + i);
      return td ? JSON.parse(td.textContent || td.innerText) : null;
    function timelineGetDataBlock(i){
      var tb = document.getElementById('timeline-data-' + i);
      return tb ? JSON.parse(tb.textContent || tb.innerText) : null;
    }
    function focusRowinfoFromId(id){
    function timelineGetRowInfo(id){
      var ti;
        for(var i=0; ti=focusRowinfoEnum(i); i++){
          for( var k=0; k<ti.rowinfo.length; k++ ){
          if( id=='m' + ti.rowinfo[k].id ) return {
            'baseurl': ti.baseUrl, 'hash': ti.rowinfo[k].h
      for(var i=0; ti=timelineGetDataBlock(i); i++){
        for( var k=0; k<ti.rowinfo.length; k++ ){
        if( id=='m' + ti.rowinfo[k].id ) return {
          'baseurl': ti.baseUrl, 'hash': ti.rowinfo[k].h };
          };
        }
      }
      return null;
    }
    function focusVisualize(id,scroll){
      var td = document.querySelector('.timelineFocused');
      if( td ) td.classList.remove('timelineFocused');

    document.addEventListener('keydown',function(evt){
      if( evt.target.tagName=='INPUT' ) return;
      var
        kNEXT = 78 /* N */,
        kPREV = 77 /* M */,
        kTMLN = 74 /* J */,
        kVIEW = 75 /* K */,
        kDONE = 76 /* L */;
        kDONE = 76 /* L */,
        var key = ( evt.which || evt.keyCode )
                    | evt.altKey<<15 | evt.ctrlKey<<14 | evt.shiftKey<<13;
        mod = evt.altKey<<15 | evt.ctrlKey<<14 | evt.shiftKey<<13,
        key = ( evt.which || evt.keyCode ) | mod;
      var dx = 0;
      if( key==kPREV ) dx++;
      else if( key==kNEXT ) dx--;
      else if( key!=kTMLN && key!=kVIEW && key!=kDONE ) return;
      var kf = document.getElementById('timeline-kbfocus');
      if( key==kDONE ){
        kf.value = '';
        focusVisualize(null,false);
        document.cookie =
          'fossil_timeline_kbnav=;expires=Thu, 01 Jan 1970 00:00:01 GMT;path=/';
        return;
      }
      document.cookie = 'fossil_timeline_kbnav=1;path=/';
      var id = kf.value;
      if( id && dx==0 ){
        var ri = focusRowinfoFromId(id);
        var ri = timelineGetRowInfo(id);
        if( ri ){
          var page = key==kVIEW ? '/info/' : '/timeline?c=';
          var href = ri.baseurl + page + encodeURIComponent(ri.hash);
          if( href!=location.href.slice(-href.length) ){
            location.href = href;
            return;
          }