function getNewMsg() {
if (xmlhttp.readystate==4) {
var xml=xmlhttp.responseXML;
var xmldom=new ActiveXObject("Microsoft.XMLDOM");
xmldom.async="false";
xmldom.load(xml)
var nodes=xmldom.documentElement.childNodes;
var userip =nodes.item(i).childNodes(0).text;
var logintime=nodes.item(i).childNodes(1).text;
var username =nodes.item(i).childNodes(2).text;
document.write("ip:"+userip+",登陆时间:"+logintime+",用户名:"+username)
} //判断xmlhttp状态
}