Liferay pop ups javascript

pop up.js

  function popUpUrl(id) {
          var url = Liferay.PortletURL.createRenderURL();
          url.setPortletId("56"); //  "Web Content Display" portlet ID
          url.setWindowState('pop_up');
          url.setPortletMode('view');
          url.setParameter("groupId", Liferay.ThemeDisplay.getScopeGroupIdOrLiveGroupId()); 
          url.setParameter("articleId", id); // webcontent ID
          return url;
  };

  /*AUI().ready('aui-dialog', 'aui-dialog-iframe', 'liferay-portlet-url', function(A) {
      url = popUpUrl("POPUP_SUBSCRIPTION");
      console.log(url.toString());
      Liferay.Util.openWindow({
          dialog: {destroyOnHide: true},
          cssClass: 'aoc-pub-lightbox',
          align: Liferay.Util.Window.ALIGN_CENTER,
          toolbars: false,
          resizable: true,
          modal: true,
          uri: url.toString()});
  });*/

  YUI().use(
    'aui-modal',
    function(Y) {
      var modal = new Y.Modal(
        {
          headerContent: 'Hello',
          centered: true,
          render: '#modal'
        }
      ).render();
    }
  );