Try this :)
local statues = {
[18488] = SKILL_SWORD,
[18489] = SKILL_AXE,
[18490] = SKILL_CLUB,
[18491] = SKILL_DISTANCE,
[18492] = SKILL_MAGLEVEL
}
function onUse(player, item, fromPosition, target, toPosition, isHotkey)
local skill = statues[item:getId()]
if...