If you supply a value: to initialize the field to and select onValidate you get a condition where the validation is called before this.remoteCheckIcon is initialized. Other than that, Light is Green, trap is clean!
I was looking for something like that....works smooth.... but since I am a n00b with ext, how would I prevent the remote checking if someone decides to cancel the form ? Currently when I watch it with firebug it runs a remotecheck while the form is being closed.
Other than that, it works for me like a charm, did not even had to think about it. Plug&Play, that's what this n00b likes..... Thanks a bunch