var http_request=false;
var url=window.location.href;
var pattern = /http:\/\/([^\/]*)/i;
var result = url.match(pattern);
var baseurl=result[1];
var uniqnum_counter = (new Date).getTime();
//alert(refer);
function UniqueNum() {
  ++uniqnum_counter;
  return uniqnum_counter;
}
function sendurl(url)
{	http_request=false;
	if(window.XMLHttpRequest)
		{
		http_request=new XMLHttpRequest();
		 if(http_request.overrideMimeType)
		 	{
			http_request.overrideMimeType("text/xml");
			}
		}
	else if(window.ActiveXObject)
		try 
		{
			http_request=new ActiveXObject("Msxml2.XmlHttp");
			//alert("Msxml2");

		}
		catch(e){
		try
			{
			http_request=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch(e)
			{
			}
		}
	if(!http_request)
	{
	window.alert("不能创建XMLHttpRequest对象");
	return false;
	}	
	http_request.onreadystatechange=processRequest;
	http_request.open('GET',url,true);
    http_request.send(null);
}
function processRequest()
{
 if(http_request.readyState==4)
   if(http_request.status==200)
   {
     //alert(http_request.responseText);
	document.getElementById("commentdiv").innerHTML=http_request.responseText;
   }
   else
   {
   window.alert("您所请求的页面有异常");
   }
}
function post_huifu(hid)
{
    var huifuid;
    window.open('/comment/huifu.php?huifuid='+hid, 'email_auth', 'width=400,height=180,scrollbars=no');

}

function getcomment(pageid)
{
	num=UniqueNum();
	sendurl("http://"+baseurl+"/readm/show.php?sid="+pageid+"&pagenum=5&num="+num);

}