var xmlHttp

function change(id)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
{
alert ("Your browser does not support AJAX!");
return;
} 
       
var url="play_video.asp";
url=url+"?video="+id;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged(){ 
if (xmlHttp.readyState==4){ 
  var xmlDoc=xmlHttp.responseXML.documentElement;
 document.getElementById("videotitle").innerHTML="<strong>"+xmlDoc.getElementsByTagName("videotitle")[0].childNodes[0].nodeValue+"</strong>";
 document.getElementById("videodiv").innerHTML=xmlDoc.getElementsByTagName("videoembed")[0].childNodes[0].nodeValue;
 }
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}