BrowserOK =  (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || 
  ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))); 

function ImgPreload(img) {
 var a=new Image(); a.src=img; return a; 
 }

function gowindow1(str, titolo,w,h) {
 openwin = window.open(str,titolo,'width='+ w +',height='+ h +',status=no,scrollbars=yes,resizable=no,location=no,toolbar=no');
 }

function gowindow(str, titolo,w,h) {
 openwin = window.open(str,titolo,'width='+ w +',height='+ h +',status=no,scrollbars=no,resizable=no,location=no,toolbar=no');
 }
 
// funzione mouseover
var W3CDOM = (document.createElement && document.getElementsByTagName);

var mouseOvers = new Array();
var mouseOuts = new Array();

var nav = new Array();
nav[0] = "lingua";
nav[1] = "lingua_home";

function init()
{
	if (!W3CDOM) return;

	 for(var a=0;a<nav.length;a++){
	  var valore = document.getElementById(nav[a]);
      if(valore){	
	   var imgs = valore.getElementsByTagName('img');
      
	   for (var i=0;i<imgs.length;i++)
	   {
		imgs[i].onmouseover = mouseGoesOver;
		imgs[i].onmouseout = mouseGoesOut;
		var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
		mouseOuts[i] = new Image();
		mouseOuts[i].src = imgs[i].src;
		mouseOvers[i] = new Image();
		mouseOvers[i].src = imgs[i].src.substring(0,imgs[i].src.lastIndexOf('.')) + "x" + suffix;
		imgs[i].number = i;
	   }// enf for

	  }// end if
	 }// end for
}

function mouseGoesOver()
{
	this.src = mouseOvers[this.number].src;
}

function mouseGoesOut()
{
	this.src = mouseOuts[this.number].src;
}

// JavaScript Document

startList = function() {
if (document.all&&document.getElementById) {
navRoot = document.getElementById("nav");
if (navRoot) {
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over";
  }
  node.onmouseout=function() {
  this.className=this.className.replace(" over", "");
   }
   }
  }
 }
 }
}

// funzione per far partire due diverse funzioni nel load della pagian
function initialize() {
    init();
    startList();
}
window.onload = initialize;