var xmlHttp;
function loaddata(x){ 
	document.getElementById("popwin").innerHTML="正在读取数据";
	var url="http://hf.house365.com/news/get_keyword_newslist.php?keyword=" + x
	xmlHttp=GetXmlHttpObject(stateChanged)
	xmlHttp.open("GET", url , true)
	xmlHttp.send(null)
} 

function stateChanged() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
		document.getElementById("popwin").innerHTML=xmlHttp.responseText 
	} 
} 

function GetXmlHttpObject(handler){ 
	var objXmlHttp=null

	if (navigator.userAgent.indexOf("Opera")>=0){
		alert("This example doesn't 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
	}
}