$(document).ready(function(){
	$("#menu_novo a")
	.mouseover(function(){
		$(this).stop().animate(
			{backgroundPositionY:"-40px"},
			{duration:250}
		)
	})
	.mouseout(function(){
		$(this).stop().animate(
			{backgroundPositionY:"0"},
			{duration:400}
		)
	});
});