Drupal.behaviors.wikikiwis = function(context) {
  $(window).scroll(function () {
        var cloudOne = $('#cloud-content-right');
        var cloudTwo = $('#cloud-right');
        cloudOne.stop().animate({"top": ($(window).scrollTop() + 200) + 'px'}, 4000);
        cloudTwo.stop().animate({"top": ($(window).scrollTop() + 300) + 'px'}, 2000);
});
};