function selectAboutMenu(num) {
    $("#content #content_middle #sideBar ul li a").eq(num).addClass("aboutMenu_selectedItem").css("color", "#FFF");
}

function floatingAd() {
    var ad = 150;
    $(window).scroll(function () {
        $("#floatingAd").animate({ top: $(window).scrollTop() + ad + "px" }, { queue: false, duration: 500 });
    });
}
function closeAd1() {
    $("#closeAd1").click(function () {
        $("#floatingAd").hide();
    });
}