We Heart Code

All in one line thanks to prototype

Event.observe(window, 'load', function(){Form.focusFirstElement('yourFormId');}, false);

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We don't always get to use the latest greatest web framework, but just because you're using a crusty old dinosaur J2EE XML framework from the pits of hell, doesn't mean you can't make girls cry with your AJAX/JSON skills.
This tutorial will show how to use prototype to return JSON data to your jsp.
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Here's a quick one, clearing out all input text boxes with prototype

$('formid').getInputs('text').invoke('clear');

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