if event.GetEventObject().GetValue() == True:
		if event.GetEventObject().GetName() == "alpha":
			self.sorting = "alpha"
		elif event.GetEventObject().GetName() == "rating":
			self.sorting = "rating"
                
	else:
		if event.GetEventObject().GetName() == "alpha":
			self.sorting = "rating"
		if event.GetEventObject().GetName() == "rating":
			self.sorting = "alpha"