What your talking about is green dragon. If you take the time to read previous posts you'd see everything you wanted to know about it. Here are some links, of course if you'd just scroll down there they are
http://boards.cannabis.com/showthread.php?t=8923
http://forum.thenook.org/index.php?showtopic=28220
If you let it soak for 2 weeks your wasting time you only need to let it set for 24-48 hours remove the bud and soak again in fresh alcohol, do this 2 or 3 time and then you can evaporate it down to increase the potency of each dose.