simple jQuery function to clear a form's elements. differs from a reset in that it will zero values even if they were initially checked / selected on page render.

jquery.form-clear.js

$.fn.clear = function() {
	if (this[0].tagName.toUpperCase() !== 'FORM') { return this; }
	return this.find(':input').each(function() {
		if (this.type === 'radio' || this.type === 'checkbox') {
			this.checked = false;
		} else {
			$(this).val('');
		}
	});		
}