var xmlHttp;
function loaddata(x){
	document.getElementById("popwin").innerHTML="正在读取数据";
	var url="http://www.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
	}
}