JQuery анимация кнопок

<link rel="stylesheet" href="{tpl_url}/icomon/style.css" />
	<link rel="stylesheet" href="{tpl_url}/css/loda-button.css" />

<a href="#" class="loda-btn">
    <span aria-hidden="true" class="loda-icon icon-mail"></span>
    Mail
</a>

<script type="text/javascript" src="{tpl_url}/js/jquery-1.9.1.js"></script>
	<script type="text/javascript" src="{tpl_url}/js/loda-button.js"></script>

	<script type="text/javascript">

		$('.loda-btn')
			.lodaButton()

			.click(function(e) {

				e.preventDefault();

				var _self = $(this);
				_self.lodaButton('start');

				setTimeout(function() {
					_self.lodaButton('stop');
				}, 2000);

			});

	</script>

var lodaBtn = $('#loda-btn').lodaButton();

lodaBtn.lodaButton('start');

lodaBtn.lodaButton('stop');