var xmlHttp = createXmlHttpRequest();
var obj = '';

function createXmlHttpRequest() {
  var xmlHttp = false;
  if (window.ActiveXObject) {
    xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
  } else {
    xmlHttp = new XMLHttpRequest();
  }
  if (!xmlHttp) {
    alert("Gagal menciptakan Objek");
  }
  return xmlHttp;
}


function getData(source, divID) {
  
  if (xmlHttp.readyState == 4 ||
  xmlHttp.readyState == 0) {
    obj = divID;
   
    xmlHttp.open("GET", source);
   
    xmlHttp.onreadystatechange = handleRespon;
    
    xmlHttp.send(null);
  } else {
   
    setTimeout('getData(source, divID)', 1000);
  }
}


function handleRespon() { 
  if (xmlHttp.readyState == 4) {
   
    if (xmlHttp.status == 200) {
      
      document.getElementById(obj).innerHTML = xmlHttp.responseText;
    } else {
      alert("Error: " + xmlHttp.statusText);
    }
  
  } else {
    document.getElementById(obj).innerHTML = '<img src="http://cowmp3.com/wp-content/themes/cow/mp3/images/indicator_large.gif">';
  }
}