(function($) {
    $.fn.choose = function(options) {
        $(".list li").click(function(){
          $('.list li').removeClass("active");
          $(this).addClass("active");
          var href=$(this).find('span').attr('href');
            $.post("pages/"+href, function(data){
                
                $('.ajax-exchange').html(data);
                $('.choose').find('.chgame2').remove();
                var embed = $('div.ajax-exchange').find('.chgame').html();
                $('.choose').find('.chgame').html(embed);
            });
        });
    };
})(jQuery);

function posTop() {return typeof window.pageYOffset != 'undefined' ?  window.pageYOffset : document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ? document.body.scrollTop : 0;}