Onpay (my custom module) with jquery.ui.dialog integration for node view page

node--gift.js

(function($) {
  $(function(){

    // jquery.ui.dialog init
    $('.onpay-form').dialog({
      autoOpen: false,
      show: {
        effect: 'slideDown',
        duration: 100
      },
      hide: {
        effect: 'slideUp',
        duration: 100
      }
    });

    // jquery.ui.dialog on click
    $('.onpay-contribute').click(function(){
      $('.onpay-form').dialog('open');
      return false;
    });

  });
})(jQuery);

node--giit.tpl.php

<?php 
  // add dialog library
  drupal_add_library('system', 'ui.dialog');
  
  // use dialog
  drupal_add_js(path_to_theme() .'/js/node--gift.js');
?>
<?php
  /* somewhere in node template */
  global $user;
  print l('Поддержать<span></span>', 'onpay-contribute', array(
    'html' => TRUE,
    'attributes' => array(
      'class' => array(
        'onpay-contribute',
      ),
      'data-nid' => $node->nid,
      'data-uid' => $user->uid,
    ),
  ));
?>