Show loader on page

gistfile1.js

(function($) {
  jQuery(window).load(function($){

    // Turn off the page loader
    jQuery('#ajax-loader').fadeOut(500);

  });
})(jQuery);


// CSS
#ajax-loader {
  position: fixed;
	z-index: 110;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	background: black url(../img/ajax-loader.gif) center no-repeat;
}