国内首发 -- ajax完整功能框架

dtime(){
    getId("loadifo").innerHTML += "."
}
//数据入口
function ent(urlName){
    window.location.hash = urlName
    var frmUrl = saveState(urlName);//写入信息到ifream
    var gamestart = loadrss(urlName);//AJAX数据过程
}
//XML数据绑定
var xmldoc = false;
function loadrss(urlName){
    var myurl = urlArrary(urlName)
    if(myurl){
        listen("mainbg2");
    //生成随机数，同时限制刷新次数
        var Num=Math.floor(Math.random()*100);
    //定义往址参数
        url = myurl+"?id="+Num;
    //定义为异步传输模式
        xmldoc = false;
    //Mozill,Safari等浏览器时需要创建的XMLHttp类
        if(window.XMLHttpRequest){
            xmldoc = new XMLHttpRequest();
            if(xmldoc.overrideMimeType){
                    xmldoc.overrideMimeType(''text/xml'');
            }
        }
    //IE浏览器时创建的XMLHttp类
        else if(window.ActiveXObject){
            try{
                xmldoc = new ActiveXObject("Msxml3.XMLHTTP");
            }
            catch(e){
                try{
                    xmldoc = new ActiveXObject("Msxml2.XMLHTTP");
                }
                catch(e){
                    try{
                        xmldoc = new ActiveXObject("Microsoft.XMLHTTP");
                    }
                 &nbs