<!-- 
var xmlHttp_videos

function mostrarTemes(categoria,tema,buscar)
{ 
xmlHttp_videos=GetXmlHttpObject();
if (xmlHttp_videos==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 

var url="../videos/mostrar_temes.asp";
url=url+"?categoria="+categoria;
url=url+"&tema="+tema;
url=url+"&buscar="+escape(buscar);
url=url+"&sid="+Math.random();
xmlHttp_videos.onreadystatechange=stateChanged_videos;
xmlHttp_videos.open("GET",url,true);
xmlHttp_videos.send(null);
}

function stateChanged_videos() 
{ 
if (xmlHttp_videos.readyState==4)
{ 
document.getElementById("baix_temes").innerHTML=xmlHttp_videos.responseText;
}
}

function GetXmlHttpObject()
{
var xmlHttp_videos=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp_videos=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp_videos=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp_videos=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp_videos;
}
-->