function sendData(obj) {
	if(obj.val() == '') return false;
	var submit = obj.parent().children('input[type=submit]');
	submit.attr('disabled', 'disabled');
	var result = true;
	$.ajax({
		url: '/cross-check.php',
		data: obj.attr('id') + '=' + obj.val(),
		error: function(e) {
			console.log(e);
		},
		dataType: 'json',
		success: function(data) {
			submit.attr('disabled', '');
			obj.parent().next('.message').html(data.message);
			if(data.code == '0') result = false;
		},
		async: false
	});
	return result;
}

$(document).ready(function() {

	$('#waitlistForm').submit(function() {
		sendData($('#waitlistEmail'));
	});

	$('#invitedForm').submit(function() {
		return sendData($('#inviterEmail'))
	});

});