def get_db_plot(self, plot_manager, title, x_label, y_label, field1, field2, filename):
     fig = None
     imgdata = None
     plot_manager = Plot_Data()
     uri = plot_manager.get_plot_db_results( title, x_label, y_label, field1, field2, filename)
     html = '<img src = "%s" witdh="300px" height="300px" /> <br />' % uri
     
     return html