$(function(){
 $('#navi a')
 // .css( {backgroundPosition: "0 0"} )
 .mouseover(function(){$(this).stop().animate({backgroundPosition:"(-442px 0)"}, {duration:400})})
 .mouseout(function(){$(this).stop().animate({backgroundPosition:"(0px 0)"}, {duration:300,
 complete:function(){$(this).css({backgroundPosition: "0 0"})}})})
});