var ajax = false;
// IEˆÈŠO
if(window.XMLHttpRequest) {
  ajax = new XMLHttpRequest();
// IE—p
} else if(window.ActiveXObject) {
  try {
    ajax = new ActiveXObject("Msxml2.XMLHTTP");
  } catch(e) {
    ajax = new ActiveXObject("Microsoft.XMLHTTP");
  }
}

function getAjaxData(serverURL) {
  var data = "";
  ajax.open("GET", serverURL);
  ajax.onreadystatechange = function() {
    if (ajax.readyState == 4 && ajax.status == 200) {
      var info2  = ConectObj('info2');
      data = ajax.responseText;
      if(data != ""){
        info2.innerHTML = ajax.responseText;
      }
    }
  }
  ajax.send(null);
  return;
}