'Moves to the next request.
:param widg: who sent the signal.'

def _next(self, widg):

    resp = self.reqresp.response.get_object()
    if (not resp):
        self._send(None)
    self.reqresp.request.clear_panes()
    self.reqresp.request.set_sensitive(False)
    self.reqresp.response.clear_panes()
    self.reqresp.response.set_sensitive(False)
    self.bt_next.set_sensitive(False)
    self.reqresp.focus_request()
    self.waiting_requests = True
