var t;

function universal(url, mytarget) {
  url += "&id=" + Math.random();
  xmlHttp = GetXmlHttpObject()
  if (xmlHttp == null) {
    alert ("Browser does not support HTTP Request")
    return } 
  xmlHttp.onreadystatechange = stateChanged
  target = mytarget;
  xmlHttp.open("GET", url, true)
  xmlHttp.send(null)
}

function stateChanged() {
  if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete")
    document.getElementById(target).innerHTML = xmlHttp.responseText;
}

function GetXmlHttpObject() {
var xmlHttp = null;
  try { // Firefox, Opera 8.0+, Safari
   xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
  // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
  return xmlHttp;
}