K.D.
My little sister used to do that, just wanted to throw that out there, but she stopped. I think it was a body facination thing, she grew out of it very quickly. Its definitely not a bladder control issue, its a urine placement one, lol...just encourage her to use the toilet. I don't think anyone that does that has an excellent reason that they do, maybe shes just a little independant one that wants to do her own thing? *sigh* Just wanted to share that I have seen it before, hope you get some good advice!