jQuery Forum

1. $(document).scroll(function () {
       var y = $(this).scrollTop();
       if (y > 100) {
           $('.bottomMenu').fadeIn();
       } else {
           $('.bottomMenu').fadeOut();
       }
   
   });

I've already activated the .js file and added the detail in .info, I can see it from the firebug that is ok, but from firebug console I can see that I have syntax errors.

From Drupal website I can see an example:

1. (function ($) { // Here code javascript })(jQuery);

Can someone show me how the code above should look like into Drupal? Thanks.