var oldNews; 
function loadContent(obj,newId){
    var o = $("content_"+newId);
    var x = $("intro_"+newId);
    if(oldNews==newId){
        if(x.style.display==""){
            o.style.display="";
            x.style.display="none";
            $("a_"+newId).className = "on";
        }else {
            o.style.display="none";
            x.style.display="";
            $("a_"+newId).className = "off";
        }
        return ;
    }
    if($("content_"+oldNews)){
        $("a_"+oldNews).className="";
        elemClose("content_"+oldNews);
        elemShow("intro_"+oldNews);
    }
    if(o.innerText == ""){
        DcSoft.SP_Web.NewsList.GetContent(newId,function(res){
            if(res){
                o.innerHTML = res.value;
            }
        });
    }
    elemClose("intro_"+newId);
    elemShow("content_"+newId);
    $("a_"+newId).className="on";
    oldNews = newId;
}