asp实现dig功能的js代码

  //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);

  }