anchor.diff:  import "dart:html";
   import "dart:convert";
   import 'package:bootjack/bootjack.dart';
  -//import 'package:js/js.dart' as js;
  +import 'package:js/js.dart' as js;
   
   import 'spaces.dart';
   import "forms.dart";
  
positive.code:       searchResultCurrentRow.children[7].innerHtml = ligthTrace.difficulty;
        searchResultBody.append(searchResultCurrentRow);
        
        //js.context.addMarkerToMap( ligthTrace.keyJsSafe,  ligthTrace.titleJsSafe, ligthTrace.startPointLatitude,ligthTrace.startPointLongitude );
      });
      
      //js.context.fitMapViewPortWithMarkers();
  
negative.code:   
    Element searchResultRow=  querySelector("#search-result-row");
    Element searchResultBody=  querySelector("#search-result-body");
    js.context.removeAllMarkers();
    if (form.results != null && form.results.isNotEmpty){
      
      form.results.forEach((ligthTrace){
  