code: function(feature) {
          var activated = false;
          if(!this.handlers.drag.dragging) {
              this.feature = feature;
              this.handlers.drag.activate();
              activated = true;
              this.over = true;
              OpenLayers.Element.addClass(this.map.viewPortDiv, this.displayClass + "Over");
              this.onEnter(feature);
          } else {
              if(this.feature.id == feature.id) {
                  this.over = true;
              } else {
                  this.over = false;
              }
          }
          return activated;
      }
docs: Method: overFeature
  Called when the feature handler detects a mouse-over on a feature.
  This activates the drag handler.
  
  Parameters:
  feature - {<OpenLayers.Feature.Vector>} The selected feature.
  
  Returns:
  {Boolean} Successfully activated the drag handler.