$(document).ready(function(){

    var arVersion = navigator.appVersion.split("MSIE");
    var version = parseFloat(arVersion[1]);


    if ((version >= 5.5) && (document.body.filters))
    {
        $(".rightContent").attr("class","rightContent starBgIE");
    }
    else
    {
        $(".rightContent").attr("class","rightContent starBg");

    }

});