function jv_inspect(p, max)
	local max=max or false
	if p==nil then print("nil", "\n") return end
	if type(p)=="userdata" then p=getmetatable(p).__index end
	if type(p)=="table" then
		local n=0
		for k,v in pairs(p) do
			n=n+1
			print(k)
			if(n==max and max) then break end
		end
		print("Keys found:", n)
	else
		print(type(p), p)
	end
	print("\n")
end