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function DiggAjax(){
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var xhrObj=null;
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if(window.XMLHttpRequest){
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xhrObj=new XMLHttpRequest();
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}
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else if(window.ActiveXObject){
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try{
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xhrObj=new ActiveXObject("Microsoft.XMLHTTP");
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}
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catch(e1)
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{
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try{
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xhrObj=new ActiveXObject("MSXML2.XMLHTTP");
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}
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catch(e2){
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try{
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xhrObj=new ActiveXObject("MSXML3.XMLHTTP");
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}
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catch(e3){
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alert("创建Ajax失败:"+e3)
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}
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}
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}
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}
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else
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{
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alert("未能识别的浏览器");
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}
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return xhrObj;
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}
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var loader=new DiggAjax;
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function ajaxLoadPage(url,request,method,fun)
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{
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method=method.toUpperCase();
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if (method=='GET')
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{
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urls=url.split("?");
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if (urls[1]=='' || typeof urls[1]=='undefined')
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{
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url=urls[0]+"?"+request;
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}
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else
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{
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url=urls[0]+"?"+urls[1]+"&"+request;
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}
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request=null;
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}
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loader.open(method,url,true);
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if (method=="POST")
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{
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loader.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
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}
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loader.onreadystatechange=function(){
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eval(fun+'()');
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}
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loader.send(request);
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}
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function callbacks()
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{
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if (loader.readyState==4)
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{
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var s=loader.responseText;
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switch (s)
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{
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case "err":
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alert('digg error!');
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break;
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case "over":
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alert('你已推荐过了!');
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break;
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case "nologin":
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alert('您还没有登录,不能推荐!');
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break;
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default:
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var sarr=s.split('|');
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eval("document.all.s"+sarr[0]).innerHTML=sarr[1];
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eval("document.all.d"+sarr[0]).innerHTML="Thanks";
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}
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}
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}
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function digg(channelid,infoid,installdir)
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{
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ajaxLoadPage(installdir+'plus/digg.asp','action=hits&ChannelID='+channelid+'&infoid=' +infoid,'post','callbacks');
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}
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function show_digg(channelid,infoid,installdir)
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{
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var xhr=new DiggAjax();
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xhr.open("get",installdir+"plus/digg.asp?channelid="+channelid+"&infoid="+infoid+"&action=show",true);
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xhr.onreadystatechange=function (){
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if(xhr.readyState==1)
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{
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eval("document.all.s"+infoid).innerHTML="<img src='"+installdir+"images/loading.gif'>";
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}
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else if(xhr.readyState==2 || xhr.readyState==3)
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{
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eval("document.all.s"+infoid).innerHTML="<img src='"+installdir+"images/loading.gif'>";
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}
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else if(xhr.readyState==4)
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{
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if (xhr.status==200)
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{
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var r=xhr.responseText
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var rarr=r.split('|');
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eval("document.all.s"+infoid).innerHTML=rarr[1];
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}
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}
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}
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xhr.send(null);
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}