$(function(){
	$('.root a span')
		.css( {backgroundPosition: "right -276px"} )
		.mouseover(function(){
			$(this).stop().animate({backgroundPosition:"(right -120px)"}, {duration:300})
		})
		.mouseout(function(){
			$(this).stop().animate({backgroundPosition:"(right 0px)"}, {duration:150, complete:function(){
				$(this).css({backgroundPosition: "right -276px"})
			}})
		})
	$('.m a span')
		.css( {backgroundPosition: "0px -100px"} )
		.mouseover(function(){
			$(this).stop().animate({backgroundPosition:"(0px -70px)"}, {duration:200})
		})
		.mouseout(function(){
			$(this).stop().animate({backgroundPosition:"(0px -70px)"}, {duration:100, complete:function(){
				$(this).css({backgroundPosition: "0px -100px"})
			}})
		})
});