anchor.diff:            
             var div = this.div_;
             if (!div) {
  -            div = this.div_ = document.createElement('div');
  -            div.setAttribute('class','cartodb_infowindow');
  +            div = this.div_ = document.createElement('DIV');
  +            div.className = "cartodb_infowindow";
           
               div.innerHTML = '<a href="#close" class="close">x</a>'+
                               '<div class="outer_top">'+
  
positive.code:               me.hide();
              });
  
              google.maps.event.addDomListener(div,'click',function(ev){ev.preventDefault()});
              google.maps.event.addDomListener(div,'dblclick',function(ev){ev.preventDefault()});
              google.maps.event.addDomListener(div,'mousedown',function(ev){ev.preventDefault()});
              google.maps.event.addDomListener(div,'mouseup',function(ev){ev.preventDefault()});
              google.maps.event.addDomListener(div,'mousewheel',function(ev){ev.stopPropagation()});
              google.maps.event.addDomListener(div,'DOMMouseScroll',function(ev){ev.stopPropagation()});
              
              var panes = this.getPanes();
              panes.floatPane.appendChild(div);
  
negative.code:             return false;
            }
          }
      
          
          CartoDBInfowindow.prototype.moveMaptoOpen = function() {
            var left = 0;
  