docs: function(layout_level){
  		 loop(layout_level, // for every item at this level
  		      function(level_item){			  
  
  			  var nid = level_item[0];
  			  var lbl = level_item[1];
  			  var rel = level_item[2];
  			  
  			  // For various sections, decide to run image
  			  // (img) or text code depending on whether
  			  // or not it looks like we have a real URL.
  			  var use_img_p = true;
  			  if( base_icon_url == null || base_icon_url == '' ){
  			      use_img_p = false;
  			  }
  
  			  // Clickable acc span.
  			  // No images, so the same either way. Ignore
  			  // it if we're current.
  			  var nav_b = null;
  			  if(anchor._current_acc == nid){
  			      var inact_attrs = {
  				  'class': 'bbop-js-text-button-sim-inactive',
  				  'title': 'Current term.'
  			      };
  			      nav_b = new bbop.html.span(nid, inact_attrs);
  			  }else{
  			      var tbs = bbop.widget.display.text_button_sim;
  			      var bttn_title =
  				  'Reorient neighborhood onto this node (' +
  				  nid + ').';
  			      nav_b = new tbs(nid, bttn_title);
  			      nav_button_hash[nav_b.get_id()] = nid;
  			  }
  
  			  // Clickable info span. A little difference
  			  // if we have images.
  			  var info_b = null;
  			  if( use_img_p ){
  			      // Do the icon version.
  			      var imgsrc = bbop.core.resourcify(base_icon_url,
  								info_icon,
  								image_type);
  			      info_b =
  				  new bbop.html.image({'alt': info_alt,
  						       'title': info_alt,
  				  		       'src': imgsrc,
  				  		       'generate_id': true});
  			  }else{
  			      // Do a text-only version.
  			      info_b =
  				  new bbop.html.span('<b>[i]</b>',
  						     {'generate_id': true});
  			  }
  			  info_button_hash[info_b.get_id()] = nid;
  
  			  // "Icon". If base_icon_url is defined as
  			  // something try for images, otherwise fall
  			  // back to this text ick.
  			  var icon = null;
  			  if( use_img_p ){
  			      // Do the icon version.
  			      var ialt = '[' + rel + ']';
  			      var isrc = null;
  			      if(anchor._current_acc == nid){
  				  isrc = bbop.core.resourcify(base_icon_url,
  			      				      current_icon,
  							      image_type);
  			      }else{
  				  isrc = bbop.core.resourcify(base_icon_url,
  			      				      rel, image_type);
  			      }
  			      icon =
  				  new bbop.html.image({'alt': ialt,
  						       'title': rel,
  				  		       'src': isrc,
  				  		       'generate_id': true});
  			  }else{
  			      // Do a text-only version.
  			      if(anchor._current_acc == nid){
  				  icon = '[[->]]';
  			      }else if( rel && rel.length && rel.length > 0 ){
  				  icon = '[' + rel + ']';
  			      }else{
  				  icon = '[???]';
  			      }
  			  }
  
  			  // Stack the info, with the additional
  			  // spaces, into the div.
  			  top_level.add_to(spaces,
  					   icon,
  					   nav_b.to_string(),
  					   lbl,
  					   info_b.to_string());
  		      }); 
  		 spaces = spaces + spacing;
  	     }