window.addEvent('domready', function(){
	var list = $$('#learn_nav li a.not_current');
	list.each(function(element) {
	 
		var fx = new Fx.Styles(element, {duration:200, wait:false});
	 
		element.addEvent('mouseenter', function(){
			fx.start({
				'margin-right':'0',
				'margin-left':'0',
			});
		});
	 
		element.addEvent('mouseleave', function(){
			fx.start({
				'margin-right':'10px',
				'margin-left':'10px',
			});
		});
	 
	});
}); //close window.addEvent