var http_request = false;

function makePOSTRequest(url, parameters) {
	makePOSTRequest(url, parameters, true);
}
function makePOSTRequest(url, parameters, send_alert) {
    http_request = false;
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
       http_request = new XMLHttpRequest();
       if (http_request.overrideMimeType) {
       	// set type accordingly to anticipated content type
          //http_request.overrideMimeType('text/xml');
          http_request.overrideMimeType('text/html');
       }
    } 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");
    http_request.setRequestHeader("Content-length", parameters.length);
    http_request.setRequestHeader("Connection", "close");
    http_request.send(parameters);
	
	if (http_request.readyState == 4) {
		alert(http_request.responseText)
	}
    if (send_alert)
		alert('Messaggio inviato');


	return true;
 }

function makeRequest(url) {
    http_request = false;
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
       http_request = new XMLHttpRequest();
       if (http_request.overrideMimeType) {
       	// set type accordingly to anticipated content type
          //http_request.overrideMimeType('text/xml');
          http_request.overrideMimeType('text/html');
       }
    } 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.open('GET', url, true);
    http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    http_request.setRequestHeader("Connection", "close");
	http_request.send("");
	alert('Annuncio salvato');
	return true;
 }