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I'm doing a file upload and want to disable the submit button so people don't hit it more than once, or even popup a message saying to wait while file uploads. I'm using mootools for validation (prototype didn't work), also is it possible to require a file field? If so where do I put it under the validation tab?

Hi amsgwp.

Try adding

onclick="this.disabled=true;"

inside the Submit button tag. If not, Googling will find you many other suggestions.

Bob