function getAllMonsterNames()

local tmp = {}

    local file = io.open("data/monster/monster.xml", "r")

    for i in file:read("*a"):gmatch("<monsters(.-)</monsters>") do
        table.insert(tmp, i:match("monster name=(.-)"))
    end

    return tmp
end

function onLogin(cid)

    if isInArray(getAllMonsterNames(), getCreatureName(cid)) then
        doAddNamelock(getCreatureName(cid))
        return false
    end

    return true
end