anchor.diff:      <ul>
           <li><a id="check_all">All</a></li>
           <li><a id="check_displayed">Displayed</a>
  -        <li><a id="check_none">None</a></li>
  +        </li><li><a id="check_none">None</a></li>
       </ul>
       </li>
   </ul>
   </div>
  -<div id="search_sequences_dialog" title="Search sequences" style="display:none"></div>
  +<div id="search_sequences_dialog" title="Search sequences" style="display: none"></div>
   <!--
   <div id="user_manager_dialog" title="Manage users" style="display:none"></div>
   -->
   <div id="data_adapter_dialog" title="Data adapter">
  -	<div id="data_adapter_loading"><img src="images/loading.gif"/></div>
  +	<div id="data_adapter_loading"><img src="images/loading.gif" alt=""/></div>
   	<div id="data_adapter_message"></div>
   </div>
   <div id="login_dialog" title="Login">
  
positive.code: <body>
  <div id="header">
  <ul id="menu">
  	<li><a><img id="logo" src="images/ApolloLogo_100x36.png" onload="cleanup_logo()"/></a></li>
  	<li><a id="file_item">File</a>
  		<ul id="file_menu">
  			<li><a id="export_menu">Export</a>
  
negative.code:  * @return String representation of the record in JSON format
   */
  private String generateFeatureRecordJSON(Feature feature,ServerConfiguration.TrackConfiguration track) {
  	String builder="";
  	FeatureLocation floc=feature.getFeatureLocations().iterator().next();
  	long flank=Math.round((floc.getFmax()-floc.getFmin())*0.5);
  	builder+=String.format("['<input type=\"checkbox\" class=\"track_select\" id=\"%s\"/>',", track.getName());
  	builder+=String.format("'%s',",track.getSourceFeature().getUniqueName());
  	builder+=String.format("'<a target=\"_blank\" href=\"jbrowse/?loc=%s:%d..%d\">%s</a>',", 
  		track.getSourceFeature().getUniqueName(), floc.getFmin()-flank, floc.getFmax()+flank, feature.getName());
  	builder+=String.format("'%s',", feature.getType().getName());
  	builder+=String.format("'%s']", feature.getTimeLastModified());
  	return builder;
  }
  
  /** Generate a list of records for a feature that may include subfeatures
  