Cambios

if (mw.cookie.get('inicio_tour')!==null && mw.cookie.get('registro_tour')===null && mw.user.isAnon()){

if (mw.cookie.get('inicio_tour')!==null && mw.cookie.get('registro_tour')===null && mw.user.isAnon()){

$("#pt-createaccount").animate({backgroundColor: "lightblue"}, 1500);

  $("#pt-createaccount").css({'background-color': 'blue'}, 'slow');

  $("#pt-createaccount").css({'background-color': 'red'}, 'slow');

}

}