var http_request = false;
function makePOSTRequest(url, parameters) {
  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);
}

function alertContents() {
  if (http_request.readyState == 4) {
     if (http_request.status == 200) {
//        alert(http_request.responseText);
//        result = http_request.responseText;
//        document.getElementById('myspan').innerHTML = result;
     } else {
        alert('There was a problem with the request.');
     }
  }
}

function post(obj) {
  var poststr = "cmntName=" + escape(encodeURI(document.getElementById("cmntName").value)) +
                "&cmntEmail=" + escape(encodeURI( document.getElementById("cmntEmail").value)) +
                "&cmntMessage=" + escape(encodeURI(document.getElementById("cmntMessage").value)) +
                "&code=" + escape(encodeURI( document.getElementById("code").value)) +
                "&newsAnchor=" + escape(encodeURI( document.getElementById("newsAnchor").value));
  makePOSTRequest('../functions/postcomment.php', poststr);
}