$(function(){
	$('#b a')
		.css( {backgroundPosition: "0 0"} )
		.mouseover(function(){
			$(this).stop().animate({backgroundPosition:"(-360px 0)"}, {duration:500})
		})
		.mouseout(function(){
			$(this).stop().animate({backgroundPosition:"(-720px 0)"}, {duration:200, complete:function(){
				$(this).css({backgroundPosition: "0 0"})
			}})
		})
});
function scorri(){
 $('#b a').mouseover();
 setTimeout("esci()",2000);
}
function esci(){
 $('#b a').mouseout();
 setTimeout("scorri()",2000);
}
 setTimeout("scorri()",2000);