function addToFavorite(favTitle){
  if ((navigator.appVersion.indexOf("MSIE") > 0) && (parseInt(navigator.appVersion) >= 4)) {
    window.external.AddFavorite(location.href, unescape(favTitle));
  }
}
function cambia_banner(){             //cambia fino a 9 banner
	var banner=document.getElementById("zona2-3").style.backgroundImage;
	var i=banner.substr(banner.indexOf(".jpg")-1,1);
	if(++i>9)
		i=1;
	document.getElementById("zona2-3").style.backgroundImage= "url(../image/banner"+i+".jpg)";
}
function inizializza_banner()
	{setInterval('cambia_banner()',7000);
	var rdn= Math.floor(9*Math.random());
	if(rdn<1)
		rdn=1;

	document.getElementById("zona2-3").style.backgroundImage= "url(../image/banner"+rdn+".jpg)";
	}

function finestra_nuova()
	{document.getElementById("colonnacentrale").style.visibility="hidden";
	 document.getElementById("colonnacentrale_nascosta").style.visibility="visible";
	}

function finestra_vecchia()
	{document.getElementById("colonnacentrale_nascosta").style.visibility="hidden";
	 document.getElementById("colonnacentrale").style.visibility="visible";
	}

function apri_colonnacentrale(n)
	{document.getElementById("colonnacentrale0").style.visibility="hidden";
	 document.getElementById("colonnacentrale"+n).style.visibility="visible";
	}

function chiudi_colonnacentrale(n)
	{document.getElementById("colonnacentrale"+n).style.visibility="hidden";
	 document.getElementById("colonnacentrale0").style.visibility="visible";
	}
function cambia_colonnacentrale(da,a) //chiude "da" e apre "a"
	{document.getElementById("colonnacentrale"+da).style.visibility="hidden";
	 document.getElementById("colonnacentrale"+a).style.visibility="visible";
	}

	
function apri_finestra(filevideo,larg,alt)
	{//apre nuova finestra al centro della finestra chiamante

	var wo=window.open(filevideo,'','width='+larg+', height='+alt+',left=10,top=10,status=no,menubar=no,resizable=yes,directories=no,scrollbars=no,toolbar=no');
	var y=self.screenY;
		var w=self.innerWidth;
		var x=self.screenX;
		if (navigator.appName.indexOf("Microsoft")!=-1)
			{x=self.screenLeft;
			y=self.screenTop;
			w=document.body.clientWidth;
			}
	x=x+(w-larg)/2;
	wo.moveTo(x,y);
	}


function chiama_video(filevideo)
	{
	var so = new SWFObject("http://www.adobe-direct.com/forms/swf/flvplayer.swf", "swfcontent", "520", "410", "8", "#FFFFFF");
	so.addParam("wmode", "opaque");
	so.addParam("allowfullscreen","true");
	so.addParam("quality", "high");
	so.addVariable("file","http://www.assandreatudisco.org/video/"+filevideo);
	so.addVariable("width","520");
	so.addVariable("height","410");
	so.addVariable("autostart","true");
	so.addVariable("showicons","false");
	so.addVariable("volume","100");
	so.addVariable("backcolor","0xAAAAAA");
	so.addVariable("frontcolor","0x000000");
	so.addVariable("lightcolor","0x000000");
	so.write("swfwrapper");
	}