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