anchor.diff:    <title>Mapa</title>
     <meta charset="utf-8" />
     <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
  -  <link rel="stylesheet" href="/css/style.css" type="text/css"/>
     <style type="text/css">
       html {
         height: 100%;
  
positive.code:           centered = true;
            map.panTo(myLatlng);
          }
          var marker = new google.maps.Marker({
            position: myLatlng,
            map: map,
            title: <%= addr.context.to_json %>
          });
        <% end %>
      }
  
negative.code:         mapTypeId: google.maps.MapTypeId.ROADMAP
        };
        var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
        var infoTemplate = $("#info-template");
        <% @addresses.each do |addr| %>
          var myLatlng = new google.maps.LatLng(<%= addr.lat %>, <%= addr.lng %>);
          var myOptions = {
  