function onUse(cid, item, topos, frompos)
local wallID, pos, push = 1022, {x=1000, y=1000, z=7}, {x=1000, y=1001, z=7}
if item.itemid == 1945 then
doRemoveItem(1000, 1)
doTransformItem(item.uid, 1946)
elseif item.itemid == 1946 then
doTransformItem(item.uid, 1945)
doRelocate(pos, push)
doCreateItem(wallID, 1, pos)
end
return TRUE
end