jquery ajax pagination

// AJAX paging
jQuery('.pagination a').live('click',
    function(e)
    {
        //check when pagination link is clicked and stop its action.
        e.preventDefault();

        var mainWrapper = '#page-content .container';
        var mainContent = '#content';
        var link = jQuery(this).attr('href'); //Get the href attribute

        // change browser url
        window.history.pushState(link, link, link);

        jQuery(mainWrapper)
            .fadeOut(500, function()
                {
                    //fade out the content area
                    // here is place to load external JS libs to refresh render
                    jQuery(".loader").show(); // show the loader animation
                }
            )
            .load(link + ' ' + mainContent, function()
            {
                jQuery(mainWrapper).fadeIn(500,
                    function()
                    {
                        //load data from the content area from paginator link page that we just get from the top
                        jQuery(".loader").fadeOut(800); //hide the loader
                    }
                );
            }
        );

        // move back to header
        jQuery('html, body').animate({
            scrollTop: jQuery('header').offset().top
        }, 500);
    }
);