try this too

fraction = 99
basebet  = balance/fraction
nextbet  = basebet
bethigh  = false
chance   = 24
target   = 500
james    = balance
botbuddy = 0
him      = balance
resetstats()
function dobet()
    if !win then
        botbuddy+=1
    end
    if (botbuddy==2) then
        nextbet = previousbet*1.5
end
 if (botbuddy==6) then
     nextbet = previousbet*3
end
if (botbuddy==16) then
nextbet  = previousbet*2
botbuddy = 0
end
if (nextbet==nil) then
       nextbet = previousbet
end
    if balance>him then
       nextbet  = basebet
       botbuddy = 0
   end
   if (balance>(him+basebet)) then
       him = balance
   end
   if balance>james then
       nextbet  = basebet
       botbuddy = 0
       james    = balance
   end
if balance>target then
       stop()
end
end