/* 
 * (C) 2005-2008 Martin van Spanje
 * P-Edge media
 */
 
var http_request = false;
var resp_span = '';
var req_type = '';

function makePOSTRequest(url, parameters, responsespan, type) {
  resp_span = responsespan;
  http_request = false;
  req_type = type;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
	 http_request = new XMLHttpRequest();
	 if (http_request.overrideMimeType) {
		http_request.overrideMimeType('text/xml');
	 }
  } else if (window.ActiveXObject) { // IE
	 try {
		http_request = new ActiveXObject("Msxml2.XMLHTTP");
	 } catch (e) {
		try {
		   http_request = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e) {}
	 }
  }
  if (!http_request) {
	 alert('Cannot create XMLHTTP instance');
	 return false;
  }
  
  http_request.onreadystatechange = alertContents;
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded; charset=UTF-8");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters);
}

function alertContents() {
  if (http_request.readyState == 4) {
	 if (http_request.status == 200) {
		result = http_request.responseText;
		document.getElementById(resp_span).innerHTML = result;
		if (req_type == 'r') {
			growReply();
		}
	 } else {
		alert('Er is een verbindingsprobleem opgetreden.');
	 }
  }
}