$(document).ready(function(){
	var loaded = false;
	$('#wrapper-sitemap').hide();
	$('#sitemap-link').click(function(){
			if (!loaded){
				$("#wrapper-sitemap").load("/sitemap-top.php")
				.animate({opacity: 1.0}, 500); //to create delay
				loaded = true;	
			}
	}).toggle(
		function(){$('#wrapper-sitemap').slideDown("slow");},
		function(){$('#wrapper-sitemap').slideUp("slow");} 
	);
});