Buying help in add interval

[xLosT]

i need add interval 2 seconds in my script
i pay 3 USD for paypal

function onThink(interval)

all script

  <event type="think" name="ctff" event="script"><![CDATA[
domodlib('CTF')
domodlib('CTF-lib')

local bl = BLUE_FLAG
local re = RED_FLAG
function onThink(interval)
    if getGlobalStorageValue(Event_Start) > 0 and getGlobalStorageValue(Event_timeend) > 0 then
        if redStolen() < 0 then
            doSendAnimatedText(re,"FLAG!",TEXTCOLOR_DARKRED)
            doSendMagicEffect(re, CONST_ME_SOUND_RED)
        end
        if blueStolen() < 0 then
            doSendAnimatedText(bl,"FLAG!",TEXTCOLOR_GREEN)
            doSendMagicEffect(bl, CONST_ME_SOUND_GREEN)
        end
        for _, cid in ipairs(getPlayersOnline()) do
            if flagOwner(cid) then
                if isTeamOne(cid) or isTeamTwo(cid) then
                    if hasCondition(cid,CONDITION_HASTE) then
                        doRemoveCondition(cid,CONDITION_HASTE)
                    end
                end
                pl = getThingPos(cid)
                    if isTeamTwo(cid) then
                        if getPlayerStorageValue(cid,103) < os.time() then
                            releaseBF(cid)
                                for _,cid in ipairs(getPlayersOnline()) do
                                    if isTeamOne(cid) or isTeamTwo(cid) then
                                        doPlayerSendTextMessage(cid,22,getCreatureName(cid) .. " wasted 5 minutes with FLAG."..TEAM2_NAME.." flag is again on spawn!")
                                    end
                                end
                        else
                            doSendAnimatedText(pl,"FLAG!",TEXTCOLOR_GREEN)
                            doSendMagicEffect(pl, CONST_ME_SOUND_GREEN)
                        end
                    elseif isTeamOne(cid) then
                        if getPlayerStorageValue(cid,103) < os.time() then
                            releaseRF(cid)
                                for _,cid in ipairs(getPlayersOnline()) do
                                    if isTeamOne(cid) or isTeamTwo(cid) then
                                        doPlayerSendTextMessage(cid,22,getCreatureName(cid) .. " wasted 5 minutes with FLAG."..TEAM1_NAME.." flag is again on spawn!")
                                    end
                                end
                        else
                            doSendAnimatedText(pl,"FLAG!",COLOR_RED)
                            doSendMagicEffect(pl, CONST_ME_SOUND_RED)
                        end
                    end
            end
        end
    end
  return true