Buddypress html5 notifications - per Pollycoke

if (window.webkitNotifications) {
  if (window.webkitNotifications.checkPermission() != 0){
    jQuery('#content>div>ul:eq(1)').append(
      '<li>' +
        '<a href="#" id="html5-notifications" title="Attiva le notifiche dei pollycokers" >' +
          '<img height="20px" ' +
            'src="http://www.html5rocks.com/static/images/identity/html5-badge-h-performance.png"' +
          '/>' +
        '</a>' +
      '</li>');
    jQuery("#html5-notifications").click(function(){
      if (window.webkitNotifications.checkPermission() != 0) {
        window.webkitNotifications.requestPermission();
      }
    });
  }

  BPLN_Helper.notify = function (msg){
   if (window.webkitNotifications.checkPermission() == 0)
    window.webkitNotifications.createNotification(
      'http://www.gravatar.com/avatar/7a1451683db87b00ffb3f85982ebbfb5',
      'Nuova segnalazione su pollycoke',
      msg).show();
   else
    jq.achtung({message: msg, timeout:10});//show for 10 seconds
 }
}