#define NO_TREE                 -1
#define SKILL_AXE               0
#define SKILL_BLOCKING          1
#define SKILL_BLUNT_WEAPONS     2
#define SKILL_SHORT_BLADE       3
#define SKILL_LONG_BLADE        4
#define SKILL_TWO_HANDED_BLADE  5
#define SKILL_SPEARS            6
#define SKILL_HAND_TO_HAND      7
#define SKILL_HEAVY_ARMOR       8
#define SKILL_MEDIUM_ARMOR      9
#define SKILL_LIGHT_ARMOR       10
#define SKILL_SMALL_SHIELDS     11
#define SKILL_LARGE_SHIELDS     12
#define SKILL_ALCHEMY           13
#define SKILL_HERBOLOGY         14
#define SKILL_ALTERATION        15
#define SKILL_CONJURATION       16
#define SKILL_DESTRUCTION       17
#define SKILL_ENCHANTMENT       18
#define SKILL_ILLUSION          19
#define SKILL_RESTORATION       20
#define SKILL_NECROMANCY        21
#define SKILL_SIGHT             22
#define SKILL_DEMONOLOGY        23
#define SKILL_ELEMENTAL_WIND    24
#define SKILL_ELEMENTAL_FIRE    25
#define SKILL_ELEMENTAL_EARTH   26
#define SKILL_ELEMENTAL_WATER   27
#define SKILL_ANGELIC           28
#define SKILL_DARK              29
#define SKILL_SILENT_MOVEMENT   30
#define SKILL_SECURITY          31
#define SKILL_MERCHANTILE       32
#define SKILL_DISGUISE          33
#define SKILL_DIRTY_FIGHTING    34
#define SKILL_HUMAN_BODY        35
#define SKILL_FORGING           36
#define SKILL_NATURE            37
#define SKILL_BLACK_MAGIC       38
#define SKILL_WHITE_MAGIC       39
#define SKILL_GREY_MAGIC        40
#define SKILL_MAX               40
#define SKILL_BOB               41      /* All purpose i dont wanna write it */