function ajaxLayer(layer,url) {
	var mioObj;
	function CallBack() { // si occupa di gestire la risposta del server
	   if (mioObj.readyState==4 || mioObj.readyState=="complete"){ 
	      document.getElementById(layer).innerHTML = mioObj.responseText 
	   } else {
	      document.getElementById(layer).innerHTML = "loading..."
	   }
	} 
	mioObj = crea_istanzaXHRObj();
	if (mioObj==null){
		alert ("Browser does not support HTTP Request")
	} else {
		mioObj.onreadystatechange = CallBack;
		mioObj.open("GET",url,true)
		mioObj.send(null)
	}
}

function videoplayer_ori(video) {
	var so = new SWFObject("videoplayer.swf", "main", "360", "267", "8", "#FFFFFF");
	so.addParam("quality", "hight");
	so.addParam("wmode", "transparent");
	so.addVariable("filevideo", video);       
	so.write("flash-player");
}

function videoplayer(video) {
	var so = new SWFObject("video/"+video+".swf", "main", "360", "310", "8", "#FFFFFF");
	so.addParam("quality", "hight");
	so.addParam("wmode", "transparent");
	so.write("flash-player");
}

function audioplayer(audio) {
	var so = new SWFObject("player-audio.swf", "main", "1", "1", "8", "#FFFFFF");
	so.addParam("quality", "hight");
	so.addParam("wmode", "transparent");
	so.addVariable("fileaudio", audio);       
	so.write("audioplayer");
}

function crea_istanzaXHRObj() { 
   // istanza oggetto XMLHttpRequest
   var istanzaXHRObj=null;
   if (window.XMLHttpRequest) { // Mozzilla, Safari, ...
      istanzaXHRObj=new XMLHttpRequest();
   }
   else if (window.ActiveXObject)  { // IE
      try {
	      istanzaXHRObj=new ActiveXObject("Msxml2.XMLHTTP")
	  } catch(e) {
	      try {
		      istanzaXHRObj=new ActiveXObject("Microsoft.XMLHTTP")
		  } catch(e) {
	  	}
	  }
   }
   return istanzaXHRObj
}