function AJAXRequest() {
 var xmlObj = false;
 var CBfunc,ObjSelf;
 ObjSelf=this;
 try { xmlObj=new XMLHttpRequest; }
 catch(e) {
  try { xmlObj=new ActiveXObject("MSXML2.XMLHTTP"); }
  catch(e2) {
   try { xmlObj=new ActiveXObject("Microsoft.XMLHTTP"); }
   catch(e3) { xmlObj=false; }
  }
 }
 if (!xmlObj) return false;
 this.method="POST";
 this.url;
 this.async=true;
 this.content="";
 this.callback=function(cbobj) {return;}
 this.send=function() {
  if(!this.method||!this.url||!this.async) return false;
  xmlObj.open (this.method, this.url, this.async);
  if(this.method=="POST") xmlObj.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
  xmlObj.onreadystatechange=function() {
   if(xmlObj.readyState==4) {
    if(xmlObj.status==200) {
     ObjSelf.callback(xmlObj);
    }
   }
  }
  if(this.method=="POST") xmlObj.send(this.content);
  else xmlObj.send(null);
 }
}