$(function(){
		setupTopMenu();
	});
	
	function setupTopMenu(){
		$('#menu ul li a:not(.active)')
			.css( {backgroundPosition: "0px 0px"} ) // Background por defecto
			.mouseover(function(){				  
				$(this).stop().animate({backgroundPosition:"(0px -49px)"},{duration:200})
			})
			.mouseout(function(){
				$(this).stop().animate({backgroundPosition:"(0px -0px)"},{duration:200, 
															 
			complete:function(){
			$(this).css({backgroundPosition: "0px 0px"})
			}})
		})
	}