var
  	topic00	        = false,
  	topic01	        = false,
	topic02	        = false,
	topic03	        = false,
	topic04         = false,
	topic05	        = false,
	topic06         = false,
	topic07         = false,
    subtopic0201    = false,
    subtopic0202    = false,
    subtopic0203    = false,
	firstpage       = false,
	lastpage        = false,
    onlypage        = false;