Sounds like you undertook a big project. And to make it free is cool. The really cool thing is that you did this with your own free time that could have been spent doing something else. This makes you very generous and I am anxious to read what sounds like a very in depth tutorial. Thank you very much for your generosity. Swade

There are 10 kinds of people: Those who know binary, and those who don't. 

A whiner is about as useful as a one-legged man at an arse kicking contest.