function hintHelper.img(li, i, w, h, p)
if li == nil or li=="" then return "" end
if i == nil or i=="" then return "" end
if w == nil or w=="" then return "" end
if h == nil or h=="" then return "" end
local ret = "{type=img;li="..li..";i="..i..";w="..w..";h="..h
if p ~= nil then ret = ret.."ercent="..p end
ret = ret.."}"
return ret
end