Lin, the UF site recommended trapping them in these:
Just lengths of PVC pipe, cut at an angle at one end so you can stick them in the ground. They really don't need to be this long, and I'm going to cut mine in half so I'll have twice as many. You can paint them a darker color, but I forget about them even in their whiteness because I hide them amongst the foliage in damp spots. The frogs love them! They get in there, and you just need to check them once in a while in the daytime, and put your ziploc bag over the end(s)of the pipe to catch them. When I put them in the freezer and Marsh finds them he always says "Hmm, frogsicles!"
I still spray them with a shot of Solarcaine or Benadryl to slow them down, though. It puts them to sleep in about 20 seconds.