Sitting up/ AIO (All In One) Diaper Pattern

Today we spent some time this morning in the boppy sitting up. We haven't done this alot because he usually just tips over. But this morning, with the help of the boppy he did pretty good. Though I think he was mostly concerned with how he was going to eat his green frog. I also did some research on the web looking for clothe diapers to fit his ever growing Adams bottom. At first I thought we would just go ahead and buy more of the clothe diapers from katie's kisses, but we really don't use diapers during the day expect for when we leave the house, so the cost would be high. And it's starting to get to be a hassel to take off his pants, unsnap the onies, remove the diaper cover, take out the diaper and then finally put him on the potty (don't worry he sits inbetween my legs). All this in a public restroom. Too much work then to get it all back on!! So they make a diaper called a All In One Diaper or AIO. It's washable and dryable, but it's more like water proof underwear rather then a diaper. So at first I thought we could buy them....but they are ohhhh sooo pricie, $26. So then I found a pattern to make them myself. So here's a link to the Free AIO Pocket Diaper Patten along with directions of how to do it.
http://www.geocities.com/rew4birth/index.html