jquyer 特效

$("#div_olist_"+id ).animate({
  height: "toggle",
  opacity: "toggle"
}, {
  duration: "slow"
},function(){
     $("#div_olist_"+id).remove();
});
return;
    $("#div_olist_"+id ).animate({
          height: 0,
          width: 0,
          opacity: 0.5
        }, 500, "linear", function() {
            $("#div_olist_"+id).remove();
        });