window.addEvent('domready', function() {
	// plan du site
	$$('.mod_sitemap a').each(function(link) {
		link.set('tween', {duration: 250});
		link.addEvent('mouseover', function() {
			link.setStyle('background-position', '-20px center');
			link.tween('background-position', '10px center');
		});
		link.addEvent('mouseout', function() {
			link.tween('background-position', '-20px center');
		});
	});
});