function comm_message(id)
{
  var url="/ArticleComments/index.aspx?Art_ID="+escape(id)+"&"+Math.random();

  
  XMLHttp.sendReq("get",url,'',comm_call_back,"");
}
function comm_message_page(id,page)
{
  var url="/ArticleComments/index.aspx?Art_ID="+escape(id)+"&page="+escape(page)+"&"+Math.random();

  
   XMLHttp.sendReq("get",url,'',comm_call_back,"");
}
function comm_call_back(comm_xmlhttp,obj_div)
{
var comm_spone="";
  if(comm_xmlhttp.readyState==1)
    { 
    }
  if(comm_xmlhttp.readyState==4)
    {
   comm_spone=comm_xmlhttp.responseText;
 //  if(comm_spone!=null)
   //{ 
    document.getElementById("comments").innerHTML=comm_spone;
  // }
    }
}


function comm_sent(url)
{

    XMLHttp.sendReq("get",url,'',comm_call_back,"");
}




/*ajax----end*/
var XMLHttp = { 
_objPool: [], 
_getInstance: function () 
{ 
for (var i = 0; i < this._objPool.length; i ++) 
{ 
if (this._objPool[i].readyState == 0 || this._objPool[i].readyState == 4) 
{ 
return this._objPool[i]; 
} 
} 
// IE5中不支持push方法 
this._objPool[this._objPool.length] = this._createObj(); 
return this._objPool[this._objPool.length - 1]; 
}, 
_createObj: function () 
{ 
if (window.XMLHttpRequest) 
{ 
var objXMLHttp = new XMLHttpRequest(); 
} 
else 
{ 
var MSXML = ['MSXML2.XMLHTTP.5.0', 'MSXML2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP', 'Microsoft.XMLHTTP']; 
for(var n = 0; n < MSXML.length; n ++) 
{ 
try 
{ 
var objXMLHttp = new ActiveXObject(MSXML[n]); 
break; 
} 
catch(e) 
{ 
} 
} 
}          
// mozilla某些版本没有readyState属性 
if (objXMLHttp.readyState == null) 
{ 
objXMLHttp.readyState = 0; 
objXMLHttp.addEventListener("load", function () 
{ 
objXMLHttp.readyState = 4; 
if (typeof objXMLHttp.onreadystatechange == "function") 
{ 
objXMLHttp.onreadystatechange(); 
} 
},  false); 
} 
return objXMLHttp; 
}, 
// 发送请求(方法[post,get], 地址, 数据, 回调函数) 
sendReq: function (method, url, data, callback,obj_div) 
{ 
var objXMLHttp = this._getInstance(); 
with(objXMLHttp) 
{ 
try 
{ 
// 加随机数防止缓存 
if (url.indexOf("?") > 0) 
{ 
url += "&randnum=" + Math.random(); 
} 
else 
{ 
url += "?randnum=" + Math.random(); 
} 
open(method, url, true); 
// 设定请求编码方式 
setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8'); 
send(data); 
onreadystatechange = function () 
{ 
if (objXMLHttp.readyState == 4 && (objXMLHttp.status == 200 || objXMLHttp.status == 304)) 
{ 
callback(objXMLHttp,obj_div); 
} 
} 
} 
catch(e) 
{ 
alert(e); 
} 
} 
} 
}; 





/*ajax----end*/