Topic: When did you start with Ajax?

/***********************\
 * Dynamic File Reader *
 * by: Liorean         *
\***********************/

function File(){
  var r;
  switch(0+(1*(typeof document.getElementById!='undefined')+2*(typeof clientInformation!='undefined')+4*(typeof netscape!='undefined'))*(typeof opera=='undefined')){
    case 3:
      r=new ActiveXObject('Microsoft.XMLHTTP');
      break;
    case 4:
      r=new NN4HttpRequest;
      break;
    case 5:
      r=new XMLHttpRequest;
      break;
    default:
      r={
        open:function(){},
        send:function(){return false},
        responseText:''
      };
      break
  }
  this.prototype=r;
  return r;
}

function NN4HttpRequest(){
  this.url=this.responseText=''
}
NN4HttpRequest.prototype.open=function(m,u){
  this.method=m||'GET';
  this.url=u
}
NN4HttpRequest.prototype.send=function(){
  if(this.url=='')return false;
  if(!/^[a-z]+:/.test(this.url))
    this.url=String(window.location).replace(/\/[^\/]*$/,'/'+this.url);
  var l,
    b;
  this.responseText='';
  b=new java.io.BufferedReader(new java.io.InputStreamReader(new java.net.URL(this.url).openStream()));
  while((l=b.readLine())!=null)
    this.responseText+=l+'\n';
    if(b!=null)
      b.close();
  return true
}