File: /home/retile.ru/public_html/catalog/view/theme/default/template/extension/recurring/pp_express.twig
<div class="buttons clearfix">
  {% if order_recurring_id %}
  <div class="pull-left">
    <button type="button" id="button-cancel" data-loading-text="{{ text_loading }}" class="btn btn-danger">{{ button_cancel }}</button>
  </div>
  {% endif %}
  <div class="pull-right"><a href="{{ continue }}" data-loading-text="{{ text_loading }}" class="btn btn-primary">{{ button_continue }}</a></div>
</div>
<script type="text/javascript"><!--
$(document).delegate('#button-cancel', 'click', function() { 
    $.ajax({
        url: 'index.php?route=extension/recurring/pp_express/cancel',
		dataType: 'json',
        beforeSend: function() {
         	$('#button-cancel').button('loading');
		},
		complete: function() {
			$('#button-cancel').button('reset');
		},		
        success: function(json) {
            $('.alert-dismissible').remove();
			
			if (json['success']) {
				$('#content').prepend('<div class="alert alert-danger alert-dismissible">' + json['success'] + '<button type="button" class="close" data-dismiss="alert">×</button></div>');
			}
			
			if (json['error']) {
				$('#content').prepend('<div class="alert alert-danger alert-dismissible">' + json['error'] + '<button type="button" class="close" data-dismiss="alert">×</button></div>');
			}
        },
        error: function(xhr, ajaxOptions, thrownError) {
            alert(thrownError + "\r\n" + xhr.statusText + "\r\n" + xhr.responseText);
        }
    });
});
//--></script>