var xmlhttp;

function getAds(idDiv,Size)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="adsAjax.php";
url=url+"?Size="+Size;
//xmlhttp.onreadystatechange=stateChanged;


xmlhttp.onreadystatechange = function () {
if (xmlhttp.readyState == 4) {
stateChanged(idDiv);
}
};


xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChanged(idDiv)
{
if (xmlhttp.readyState==4)
{
document.getElementById(idDiv).innerHTML=xmlhttp.responseText;

}
}

function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}