function winshow()

    {

        var winNode = $(".win");
   winNode.show("slow");  //将窗体慢慢的弹出来

        var add = $("#Button1");
  add.hide("slow");//将窗体慢慢的隐藏

    }

    function fanhui()

    {

        var winNode = $(".win");

        winNode.hide("slow");

        var add = $("#Button1");

        add.show("slow");

    }