[Rise]

winch,

function ajaxFormSubmit(selector, settings) {
	$(selector).submit(function(e) {
		e.preventDefault();
		var $form = $(this), $button = $form.find(':submit:focus');
		if (!$button.length) return;
		$.ajax($.extend({
			url:  $form.attr('action'),
			type: $form.attr('method'),
			data: $form.serialize() + '&' + $.param($button),
			context: $form
		}, settings));
	});
}

ajaxFormSubmit('#myForm', {
	success: function(data, status, xhr) {
		// this == $form
		var $form = this;
		// ...
	},
	error: function(xhr, status, error) {
		// this == $form
	},
	beforeSend: function(xhr, settings) {
		// this == $form
	}
});