if(self.direction_current === 1){
           if(self.current_slide >= self.last_slide){
               self.current_slide = 0;
           } else {
               self.current_slide++;
           }
        }

        if((self.direction_current === 1) && (self.current_slide >= self.last_slide)){
            self.current_slide = 0;
            return;
        } else {
            self.current_slide++;
            return;
        };