레벨 업 조건

            if($mb_point <= 500)

                      {$new_level = 2;}

        else if($mb_point <= 1000)

                      {$new_level = 3;}

        else if($mb_point <= 2000)

                      {$new_level = 4;}

        else if($mb_point <= 3000)

                      {$new_level = 5;}

        else if($mb_point <= 4000)

                      {$new_level = 6;}

        else if($mb_point <= 5000)

                      {$new_level = 7;}

        else if($mb_point <= 6000)

                      {$new_level = 8;}

        else if($mb_point <= 7000)

                      {$new_level = 9;}

        else if($mb_point <= 8000)

                      {$new_level = 10;}

        else if($mb_point <= 9000)

                      {$new_level = 11;}

        else if($mb_point <= 10000)

                      {$new_level = 12;}

        else if($mb_point <= 12000)

                      {$new_level = 13;}

        else if($mb_point <= 14000)

                      {$new_level = 14;}

        else if($mb_point <= 16000)

                      {$new_level = 15;}

        else if($mb_point <= 18000)

                      {$new_level = 16;}

        else if($mb_point <= 20000)

                      {$new_level = 17;}

        else if($mb_point <= 22000)

                      {$new_level = 18;}

        else if($mb_point <= 24000)

                      {$new_level = 19;}

        else if($mb_point <= 25000)

                      {$new_level = 20;}

        else if($mb_point <= 30000)

                      {$new_level = 21;}

        else if($mb_point <= 35000)

                      {$new_level = 22;}

        else if($mb_point <= 40000)

                      {$new_level = 23;}

        else if($mb_point >= 50000)