var xmlHttp
var strcarregando = "<br><br><br><br><br><br><div align=center><img src=images/ajax_loading_big.gif><br><font face=verdana size=2> carregando...</font></div>"

function loadplayer(querystr)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 

var url="player.asp";
url=url+"?"+querystr;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=loadplayerState;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function loadplayerState() 
{
  if (xmlHttp.readyState < 4)
  {
top.document.getElementById("divplayer").innerHTML = strcarregando; 
  }
  else if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
  { 
  top.document.getElementById("divplayer").innerHTML=xmlHttp.responseText 
  } 
} 



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;
}