Question about gm list in friend list

quest gm_list begin
state start begin
when login begin
local gms = {
{"[SGA]ABC"},
{"[TGM]CCD"}
}
for i=1, table.getn(gms), 1 do
local name = gms[i][1]
if name == nil then
return name
end
cmdchat('SetTeamOffline '..name)
end
loop_timer("check_gm", 10)
end
when check_gm.timer begin
local t_gms = {
{"[SGA]ABC"},
{"[TGM]CCD"}
}
for i=1, table.getn(t_gms), 1 do
local t_name = t_gms[i][1]
if t_name == nil then
return t_name
end
if game.get_event_flag(t_name) == 1 then
cmdchat('SetTeamOnline '..t_name)
else
cmdchat('SetTeamOffline '..t_name)
end
end
end
when login with pc.is_gm() begin
local name = pc.get_name()
game.set_event_flag(name, 1)
end
when logout with pc.is_gm() begin
local name = pc.get_name()
game.set_event_flag(name, 0)
end
end
end