** Show a timeline of all branches
*/
void brlist_page(void){
  Stmt q;
  int cnt;
  int showClosed = P("closed")!=0;
  int showAll = P("all")!=0;
  int colorTest = P("colortest")!=0;

  login_check_credentials();
  if( !g.okRead ){ login_needed(); return; }
  if( colorTest ){
    showClosed = 0;
    showAll = 1;
  }

  style_header(showClosed ? "Closed Branches" :
                  showAll ? "All Branches" : "Open Branches");
  style_submenu_element("Timeline", "Timeline", "brtimeline");
  if( showClosed ){
    style_submenu_element("All", "All", "brlist?all");
    style_submenu_element("Open","Open","brlist");
  }else if( showAll ){
    style_submenu_element("Closed", "Closed", "brlist?closed");
    style_submenu_element("Open","Open","brlist");
  }else{
    style_submenu_element("All", "All", "brlist?all");
    style_submenu_element("Closed","Closed","brlist?closed");
  }
  if( !colorTest ){
    style_submenu_element("Color-Test", "Color-Test", "brlist?colortest");
  }else{
    style_submenu_element("All", "All", "brlist?all");
  }
  login_anonymous_available();
  style_sidebox_begin("Nomenclature:", "33%");
  @ <ol>
  @ <li> An <div class="sideboxDescribed"><a href="brlist">
  @ open branch</a></div> is a branch that has one or
  @ more <a href="leaves">open leaves.</a>
  @ The presence of open leaves presumably means

  style_sidebox_end();

  prepareBranchQuery(&q, showAll, showClosed);
  cnt = 0;
  while( db_step(&q)==SQLITE_ROW ){
    const char *zBr = db_column_text(&q, 0);
    if( cnt==0 ){
      if( colorTest ){
        @ <h2>Default background colors for all branches:</h2>
      }else if( showAll ){
        @ <h2>All Branches:</h2>
      }else if( showClosed ){
        @ <h2>Closed Branches:</h2>
      }else{
        @ <h2>Open Branches:</h2>
      }
      @ <ul>
      cnt++;
    }
    if( colorTest ){
      const char *zColor = hash_color(zBr);
      @ <li><span style="background-color: %s(zColor)">
      @ %h(zBr) &rarr; %s(zColor)</span></li>
    }else if( g.okHistory ){
      @ <li><a href="%s(g.zTop)/timeline?r=%T(zBr)")>%h(zBr)</a></li>
    }else{
      @ <li><b>%h(zBr)</b></li>
    }
  }
  if( cnt ){
    @ </ul>
  }