addEventHandler(\"onClientPlayerDamage\", getRootElement(), 
        function() 
                if getElementData(source, \"adminduty\") == 1 then
                        cancelEvent()
                end
        end
)

local factor = 1.5
function relateVelocity(speed)
return factor * speed
end
function getVehicleVelocity(vehicle)
speedx, speedy, speedz = getElementVelocity (vehicle)
return relateVelocity((speedx^2 + speedy^2 + speedz^2)^(0.5)*100)
end

function getVehiclesOwnedByCharacter(thePlayer)
local dbid = tonumber(getElementData(thePlayer, \"dbid\"))
local carids = { }
local numcars = 0
local indexcars = 1
for key, value in ipairs(exports.global:getPoolElementsByType(\"vehicle\")) do
local owner = tonumber(getElementData(value, \"owner\"))
if (owner) and (owner==dbid) then
   local id = getElementData(value, \"dbid\")
   carids[numcars+1] = id
   numcars = numcars + 1
end
end
return numcars, carids
end
function canPlayerBuyVehicle(thePlayer)
if (isElement(thePlayer)) then
if getElementData(thePlayer, \"loggedin\") == 1 then
   local maxvehicles = getElementData(thePlayer, \"maxvehicles\") or 0
   local novehicles, veharray = getVehiclesOwnedByCharacter(thePlayer)
   if (novehicles < maxvehicles) then
      return true
   end
   return false, \"Too much vehicles\" 
end
return false, \"Player not logged in\"
end
return false, \"Element not found\"
end