Yeah, I agree with the others. It's not good to try and be friends with an ex if either of you still have feelings for one another. It just won't work. The one with the feelings will fall back into the old habits and ways of communication and also expectations and that will make the other uncomfortable.
I'm friends with my very first bf. He's my ex fiance. We dated for a little over two years when he was in college. He was two years older than I was and when he got a job on the other side of the state, things fell apart. It didn't end well, but it wasn't bad either. He was just mad at me, thats all. We kept in touch off and on over the years and he took me out to lunch one day when he was in town about 14 years ago. My husband didn't mind. We had kept in touch on the phone and when I got online we kept in touch that way. He was friends with my husband online and they talked about, of course, football. He's married and they adopted two kids from China, and he even brought me and my husband a nice gift from there, and he brought all four of my kids a gift. We still talk occasionally. I wish him well and can look back at the old times with fondness, but not longing. If there is any longing there it's for the fun times of less responsibility and more innocence. Just beeing a teenager I guess. When you can look back on your relationship like that, then you can be friends. It would be very hard for you to try and be friends with her while you have feelings for her still.
I would really reconsider it, because even though there is a small chance you might get back together, the odds are you may end up getting hurt. You have to decide if you can withstand that right now.
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I'm giving it another shot. We will see.
My forum is still there and everyone is welcome to come join as well. There is a private women only subforum there if anyone is interested. Also, there is no CAPTCHA.

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http://www.rightplanet.proboards.com