'Pause the requests being sent.'

def _send_pause(self, widg):

    self._sendPaused = True
    self.sendPlayBut.change_internals('', gtk.STOCK_MEDIA_PLAY, 'Sends    the    pending    requests')
    self.sendPlayBut.disconnect(self.sPB_signal)
    self.sPB_signal = self.sendPlayBut.connect('clicked', self._send_play)
    self.throbber.running(False)
