local boxy = {}

local wroc = false

function przycisk_tab(klucz, nacisnij)
    if not nacisnij then return end

    if przyciks == "tab" then
        for i = 1,#boxy do
            if boxy[i][8] == true then
                if boxy[i+1] and not wroc then
                    if (i+1) == #boxy then
                        wroc = true
                    end

                    boxy[i][8] = false
                    boxy[i+1][8] = true
                    boxy[i][10] = getTickCount()
                    boxy[i+1][10] = getTickCount()
                    return
                elseif boxy[i-1] then
                    if (i-1) == 1 then
                        wroc = false
                    end

                    boxy[i][8] = false
                    boxy[i-1][8] = true
                    boxy[i][10] = getTickCount()
                    boxy[i-1][10] = getTickCount()
                    return
                end
            end
        end
    end
end