Javascript functions for wedding RSVP form

Wedding Javascript.js

$(document).ready(function(){
    row = 1;
// Add another row function.  I'm not proud of this at all.
    $("#addrow").click(function(){
    	var fn = '<input type="text" name="data['+row+'][first_name]" value="" id="first_name'+row+'"/>';
    	var ln = '<input type="text" name="data['+row+'][last_name]" value="" id="last_name'+row+'"/>';
    	var em = '<input type="text" name="data['+row+'][email]" value="" id="email'+row+'"/>';
    	var att = '<select name="data['+row+'][attending]" value="" id="attending'+row+'"><option class="attendingyes" value="1">Yes</option><option class="attendingno" value="0">No</option></select>';
    	var rem = '<a class="removebutton" name="row'+row+'" href="#"><img src="/images/remove.png"/></a>'
    	var tr = '<tr class="extratrs" id="row'+row+'"><td>'+fn+'</td><td>'+ln+'</td><td>'+em+'</td><td>'+att+'</td><td id="removetd">'+rem+'</td></tr>';
    	$(tr).hide().appendTo($('#rsvp_table > tbody:last')).fadeIn('slow');
    	$('.removebutton').click(function(){
    		$('#' + $(this).attr('name')).fadeOut(function(){$(this).remove();});
    	});
    row = row + 1;
    return false;
    });

    // Setup ajaxForm
    $('#rsvp_form').ajaxForm({
    	dataType: 'json',
    	beforeSubmit: submitted,
    	success: completed
    });

    // Loading plugin from here: http://code.google.com/p/jquery-loading-plugin/
    $('#rsvp_form').loading({ onAjax: true, align: 'center', pulse: 'fade', text: 'Submitting'});
});

// This happens before the form is submitted.  Removes error boxes from the form.
function submitted(formData) {
	$('.formerror').removeClass();
	return true;
};
// Stuff to do after the server returns a 200 message.  jsonData is the json formatted return info from Sinatra.
function completed(jsonData) {
	var errors = 0;
	jQuery.each(jsonData, function(maini, mainval){
		if (mainval["response"] == "success") {
		} else {
			errors += 1
			jQuery.each(mainval, function(secondi, secondval){
				$('#' + secondval + mainval["index"]).addClass("formerror");
			});
		};
	});
	if (errors == 0) {
		$('#rsvp_form').fadeOut("fast", function(){
			$('#rsvp_form').after("<div id='success'><h4>Thanks! Your RSVP has been received.</h4><a href='#' onClick='resetForm(true);'>Forget Someone?</a></div>");	
		});
	} else {
		resetForm(false);
		$("<h4 class='errors'><center>Please fill in the marked fields</center></h4>").hide().insertBefore($('#rsvp_table')).slideDown('slow');
	};
	return false;
};
// Reset form back to original look
function resetForm(cleardata) {
	$('#success').remove();
	$('.errors').remove();
	if (cleardata) {
		$('#rsvp_form').clearForm();
		$('.attendingyes').attr({
			selected: "selected"
		});
		$('.extratrs').remove();
	};
	$('#rsvp_form').show();
};