//** 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;
  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")
      {
       xmlhttp.open(sMethod, sURL+"?"+sVars, true);
        sVars = "";
     }
     else
     {
        xmlhttp.open(sMethod, sURL, true);
        xmlhttp.setRequestHeader("Method", "POST "+sURL+" HTTP/1.1");
        xmlhttp.setRequestHeader("Content-Type",
         "application/x-www-form-urlencoded");
      }
     xmlhttp.onreadystatechange = function(){
       if (xmlhttp.readyState == 4 && !bComplete)
        {
          bComplete = true;
          fnDone(xmlhttp);
          //return xmlhttp.responseText;
        }};
    xmlhttp.send(sVars);
    }
catch(z) { return false; }
    return true;
  };  return this;
}