docs: function CreateFilterManager(){
  
      // Create manager.
      var engine = new jquery_engine(golr_response);
      engine.method('GET');
      engine.use_jsonp(true);
      var filter_manager = new golr_manager(gserv, gconf, engine, 'async');
      
      // Manager settings.
      var personality = 'bioentity_for_browser';
      var confc = gconf.get_class(personality);
      filter_manager.set_personality(personality);
      filter_manager.add_query_filter('document_category',
  				    confc.document_category(), ['*']);
      filter_manager.set_results_count(0); // don't need any actual rows returned
      
      // Add the filter widget and hook to manager.
      var hargs = {
  	meta_label: 'Total gene products:&nbsp;',
  	// free_text_placeholder:
  	// 'Input text to filter against all remaining documents',
  	'display_free_text_p': false
      };
      var filters = new widgets.live_filters('accordion',
  					   filter_manager, gconf, hargs);
      filters.establish_display();
      
      // Add pre and post run spinner (borrow filter's for now).
      filter_manager.register('prerun', function(){
  	filters.spin_up();
      });
      filter_manager.register('postrun', function(){
  	filters.spin_down();
      });
      
      filter_manager.register('search', function(resp, manager){
  	console.log('filter_manager search callback');
  	GetInitialRootInformation(filter_manager);
      });
      
      filter_manager.search();
  }