Ajax标签导航效果(仿网易首页)

            if(i==1){
               getObject(tagid+"2").style.display="none";
            } 
            try{            
               getnews(tagid,i);
            }
            catch(e){
               alert(e);
            }  
        }
        else
        {
            getObject(tagid+i).className="";            
            if(i!=7){
               getObject(tagid+(i+1)).style.display="block";
            }             
        }         
   }
}

var idn;

function aet(objid,tagid,etp){    //为LI加上事件    objid：容器ID  tagid：组别   etp：触发类型 0-onmouseover 1-onclick
    var iif=0;
    var lis=objid.getElementsByTagName(''li'');
    requestType=tagid;
    url = "tab/"+requestType+"_1.html";
    ajccache[url]=getObject(requestType+''_cnt'').innerHTML;
    for(var iy=0;iy<lis.length;iy++){
        if(iif==0){
        iif=1;
        with(lis[iy]){
        if(etp==0){
        lis[iy].onmouseover=function(){
                    if(this.status=="active") return;
                    requestType=attributes.getNamedItem(''id'').value.substring(0, attributes.getNamedItem(''id