mcl_formspec = {}
function mcl_formspec.get_itemslot_bg(x, y, w, h)
local out = ""
for i = 0, w - 1, 1 do
for j = 0, h - 1, 1 do
out = out .."image["..x+i..","..y+j..";1,1;mcl_formspec_itemslot.png]"
end
return out