jQuery(function() {
    var flash_ad = $('#MainMaster_ContentPlaceHolder2_flash_ad');

    if (flash_ad.size() > 0) {
        var pp = $('div.topbar').position().left;
        flash_ad.css('left', pp - 1).slideDown(1000);

        $('div.flash_ad_skip').click(function() { $('div.flash_ad_skip').hide(); $('#MainMaster_ContentPlaceHolder2_flash_ad').hide(); });

        setTimeout("hideflash()", 4000); //停留时间自己适当调整
    }
});

function hideflash() {
    $('div.flash_ad_skip').hide();
    $('#MainMaster_ContentPlaceHolder2_flash_ad').slideUp(1000, function() {
    });
}