function Ajax_Perform(t)
{
    cc = fetch_object('ajaxifr');
    
    cc.src = t;
}

function ajax_do(url) {
    var jsel = document.createElement('SCRIPT');
    jsel.type = 'text/javascript';

    jsel.src = url;

    document.body.appendChild (jsel);
}

function ajax__progress_indicator(h_id)
{
    fetch_object(h_id).innerHTML = '<img src="img/progress.gif">';
}

var http_request = false;
function ajax_post(url, parameters) {
  http_request = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
     http_request = new XMLHttpRequest();
     if (http_request.overrideMimeType) {
        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;
        //alert(result);
     } else {
        alert('There was a problem with the request.');
     }
  }
}