$(document).ready(function() {
		
		$('#services_menu ul a')
		.css( {backgroundPosition: "6px 6px"} )
		.mouseover(function(){
			$(this).stop()
				.animate(
					{backgroundPosition:"(-25px 6px)"}, 
					{duration:200})
				.animate(
					{backgroundPosition:"(-25px -23px)"}, 
					{duration:5})
				.animate(
					{backgroundPosition:"(6px -23px)"}, 
					{duration:200})
			})
		.mouseout(function(){
			$(this).stop()
				.animate(
					{backgroundPosition:"(-25px -23px)"}, 
					{duration:200})	
				.animate(
					{backgroundPosition:"(-25px 6px)"}, 
					{duration:5})
				.animate(
					{backgroundPosition:"(6px 6px)"}, 
					{duration:200})
			})				
	});