var xmlHttp2

function showAdv(str)
{

  
  xmlHttp2=GetXmlHttpObject2();
  if (xmlHttp2==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
  var url2="adv.php";
  url2=url2+"?id="+str;  
  
  xmlHttp2.onreadystatechange=function(){
  if (xmlHttp2.readyState==4)
	{
	 document.getElementById("Span_Adv").innerHTML=xmlHttp2.responseText;
	 
	}
  }; 
  xmlHttp2.open("GET",url2,true);
  xmlHttp2.send(null);
	

} 



function GetXmlHttpObject2()
{
  var xmlHttp2=null;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp2=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp2=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      xmlHttp2=new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
return xmlHttp2;
}