Back, UBERGIRL ~ we have a lot of returnees coming back right now, and I'm so glad that you also made that decision. I think most of us have regained weight at one time or another; and some of us more than once (me included).
The most important thing is exactly what you are doing -- Pick yourself up, Dust yourself off, and Dig in again (as Lori Bell says). We can learn from the experience, and make some improvements along the way.