/** 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);
	     }};
      xmlhttp.send(sVars);
    }
    catch(z) { return false; }
    return true;
  };
  return this;
}

