var xmlHttpNewdoc;
function loadNewDoc(group_iden){
  if (window.ActiveXObject) {
      xmlHttpNewdoc = new ActiveXObject("Microsoft.XMLHTTP");
  }
  else if (window.XMLHttpRequest) {
      xmlHttpNewdoc = new XMLHttpRequest();                
  }
  if(!xmlHttpNewdoc){ // 异常，创建对象实例失败
  	window.alert("不能创建XMLHttpRequest对象实例.");
  	return false;
  }
 // var groupiden = document.getElementById("group_id_en").value;
  var para="groupiden="+group_iden;
  var url = "/ajaxnewdoc.do";
  xmlHttpNewdoc.open("POST", url, true);
  xmlHttpNewdoc.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
  xmlHttpNewdoc.onreadystatechange = callback_newdoc;
  xmlHttpNewdoc.send(para);
}

function callback_newdoc(){
	if (xmlHttpNewdoc.readyState == 4) {
        if (xmlHttpNewdoc.status == 200) {
         	var newdocs=xmlHttpNewdoc.responseXML.getElementsByTagName("newdocs");
         	var newdocdiv=document.getElementById("fir_link");//最新文章的div
         	var content='<h2 class="col-h2">最新文章</h2><ul class="col-ul"> ';
         	if(newdocs==null || newdocs.length==0){
         		//newdocdiv.parentNode.removeChild(newdocdiv);   //删除
         		content=content+'<ul><li>暂无最新文章!</li></ul>';
         		newdocdiv.innerHTML=content;
         		return false;
         	}
         	var groupurl = document.getElementById("groupurl").value;
         	for(var i=0;i<newdocs.length;i++){ 
         	 //<li><a href="#" target="_blank">• 布达拉宫</a></li>   	 
         	 var doctitle=newdocs[i].getElementsByTagName("doctitle")[0].firstChild.data;
         	 var doctitleEncode=newdocs[i].getElementsByTagName("doctitleEncode")[0].firstChild.data;
         	 content=content+'<li>• <a href="http://group.hudong.com/'+groupurl+'/doc/'+doctitleEncode+'.html" target="_blank">'+doctitle+'</a></li>';
         	}
         	content=content+"</ul>"
    		newdocdiv.innerHTML=content;
          }
    }
}