$("menu li").hover(function(){a=$(">ul",this).stop().css("display","block");a.animate({"marginLeft":"250px"},(250-parseInt(a.css("marginLeft")))*1.5)},function(){a=$(">ul",this).stop();a.animate({"marginLeft":0},parseInt(a.css("marginLeft"))*1.5,function(){$(this).css("display","none")})})