function createRequestObject() {
  var ro;
  var browser = navigator.appName;
  if(browser == 'Microsoft Internet Explorer') {
    ro = new ActiveXObject("Microsoft.XMLHTTP");
  } else {
    ro = new XMLHttpRequest();
  }
  return ro;
}
var http = createRequestObject();

function sndReq(action) {
  http.open('get', '/Sig/get_latest5.php');
  http.onreadystatechange = handleResponse;
  http.send(null);
}

function handleResponse() {
  if(http.readyState == 4) {
    var response = http.responseText;
    document.getElementById('LatestSongs').innerHTML = response;
  }
}