+local cache_var = 2
+local cache_outdate_fn = function (t) return t.version~=cache_ver end
+local ivd_aj1 = ltjb.load_cache('ltj-ivd_aj1',cache_outdate_fn)
+if not ivd_aj1 then -- make cache
+ ivd_aj1 = require('ltj-ivd_aj1.lua')
+ ltjb.save_cache_luc('ltj-ivd_aj1', ivd_aj1)
+end
+
+