var xmlHttpPlayer

function visualizzaVideo(str)
{ 
xmlHttpPlayer=GetXmlHttpObjectPlayer()
if (xmlHttpPlayer==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var urlPlayer="video_trianon.php"
urlPlayer=urlPlayer+"?a="+str
urlPlayer=urlPlayer+"&sid="+Math.random()
xmlHttpPlayer.onreadystatechange=stateChangedVideo 
xmlHttpPlayer.open("GET",urlPlayer,true)
xmlHttpPlayer.send(null)
}


function stateChangedVideo() 
{ 
if (xmlHttpPlayer.readyState==4 || xmlHttpPlayer.readyState=="complete")
 { 
 document.getElementById("player").innerHTML=xmlHttpPlayer.responseText 
 } 
}

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