Why not worked fadeIn to load?

Please give me an effect fadeIn to load The work.

my code: to load not work fadeIn?

$('#icon a').click(function(event){
        var id = '#'+this.id;
        var url = $(id).attr('href');
        $('.table_show, #add_icon, #num_count, #select_box, #input_search').fadeOut('slow', function(){

The second argument of the load method is where you specify a function that is invoked once the content has been successfully loaded.