$(document).ready(function() {		
	$.extend({
		loading: function(){
			$('body').append('<DIV ID="loading">Loading...</DIV>');
			var loading = $("#loading");
			loading.hide();

			loading.ajaxSend(function(){
				$(this).fadeIn();
				$(this).css('z-index','99').css('position','absolute').css('height','20px').css('width','100px').css('left','50%').css('top','50%').css('background-color','#FFFFFF');
			});
			loading.ajaxStop(function(){
				$(this).fadeOut();
			});				
		}
	})
	$.loading();
	
});