/** XHConn - Simple XMLHTTP Interface - bfults@gmail.com - 2005-04-08        **
 ** Code licensed under Creative Commons Attribution-ShareAlike License      **
 ** http://creativecommons.org/licenses/by-sa/2.0/                           **/


function XHConn()
{
  var xmlhttp, bComplete = false;
  var rndXHConnNumber = Math.round(100000*Math.random());
  rndXHConnNumber += new Date().getTime(); 
  try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); }
  catch (e) { try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
  catch (e) { try { xmlhttp = new XMLHttpRequest();}
  catch (e) { xmlhttp = false; }}}
  if (!xmlhttp) return null;
  this.connect = function(sURL, sMethod, sVars, fnDone)
  {
    if (!xmlhttp) return false;
    bComplete = false;
    sMethod = sMethod.toUpperCase();
   
    try {
      if (sMethod == "GET")
      {
        var dynamicUri = sURL+"?"+sVars + "&rndXHConnNumber="+rndXHConnNumber;
        //alert(dynamicUri)
        //alert((sURL+"?"+sVars + "&rndXHConnNumber="+rndXHConnNumber;)); 
        xmlhttp.open(sMethod, dynamicUri);
        //xmlhttp.setResponseHeader("Content-Type", "charset=UTF-8");
        //xmlhttp.open(sMethod, sURL+"?"+sVars);
        sVars = "";
      }
      else
      {
       // var dynamicUri = "POST "+ sURL + "HTTP/1.1";
        var dynamicUri = "POST "+ sURL + "&rndXHConnNumber="+rndXHConnNumber + "HTTP/1.1";
//alert(dynamicUri);
        xmlhttp.open(sMethod, sURL, true);
        xmlhttp.setRequestHeader("Method", dynamicUri);
      }
      xmlhttp.onreadystatechange = function(){
        if (xmlhttp.readyState == 4 && !bComplete)
        {
          bComplete = true;
          fnDone(xmlhttp);
        }};
      xmlhttp.setRequestHeader("Pragma","no-cache");
      xmlhttp.setRequestHeader("Cache-Control","no-cache");
//response.setHeader('content-type', 'text/html; charset=UTF-8');
      xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
      xmlhttp.send(sVars);
    }
    catch(z) { return false; }
    return true;
  };
  return this;
}