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        public function CheckParam(&$errstr)
        {
                $errstr = '';
                $this->_par ['page'] = isset($_GET ['page']) ? intval ( $_GET ['page'] ) : 1;
                if(!$this->_par ['page']){

                        $this->_par ['page'] = 1;
                }

                $this->_par ['fuid'] = isset($_GET ['fuid'])  ? intval($_GET ['fuid']) : 0;          
                return true;
        }