$(document).ready(function() {
            $(".LI2").mouseover(function() {
                $("#Nav1").show();
            })
            $(".LI2").mouseout(function() {
                $("#Nav1").hide();
            })

            $(".zzz ul li").mouseover(function() {
                var lis = $(".zzz").find('li');
                var elem = this;
                $(lis).css({ "background": "transparent url(http://dota.sgamer.com/Content/Templates/www.sc2p.com/images_sc2/bg28.jpg) no-repeat scroll 0 0" });
                $(elem).css({ "background": "transparent url(http://dota.sgamer.com/Content/Templates/www.sc2p.com/images_sc2/bg27.jpg) no-repeat scroll 0 0" });
                $.each(lis, function() {
                    $(this).attr('class', '');
                });
                $(elem).attr('class', 'TabSelected');
                var tagPart = $($(this).find('a')[0]).attr('tar')
                $('.zzz1').css('display', 'none');
                $("#" + tagPart).css('display', 'block');
            });
       
        });