} 
}, 
  checkCanDrop: function (aEvent, aDragDropObserver)    {      if (!this.mDragSession)         this.mDragSession = this.mDragService.getCurrentSession();      if (!this.mDragSession)         return false;      this.mDragSession.canDrop = this.mDragSession.sourceNode != aEvent.target;      if ("canDrop" in aDragDropObserver)        this.mDragSession.canDrop &= aDragDropObserver.canDrop(aEvent, this.mDragSession);      return true;    } 
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/f491d62e067b6b8da3d4594819d877de8de2edc6/nsDragAndDrop.js/clean/toolkit/content/nsDragAndDrop.js