it's semi-simple, but not extremely safe to do this.
You'd want to start by getting Partition Magic... that utility will allow you to re-size partitions, combine them, pretty much anything you'd want to do. It doesn't always work perfectly, so I'd make sure I had a good backup!
That is about the only way to do what you want to do though, other than deleting everything and starting from scratch.
had the Partition magic software for $25, which is a good deal for that program... i have not done business with this company, so please do not blame me if they rip you off - that said, it's a yahoo based company, so it should be decent.
