//---------------------------------------------------------------------------------
function roll(a,b) { 
	a.src = b;
}

//---------------------------------------------------------------------------------
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

//---------------------------------------------------------------------------------
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

//---------------------------------------------------------------------------------
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

//---------------------------------------------------------------------------------
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

//---------------------------------------------------------------------------------
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


//---------------------------------------------------------------------------------
function isSameLang(sPageAddress, sLang) {
	if(sPageAddress.indexOf(sLang) != -1) return true;
	return false;
}

//---------------------------------------------------------------------------------
function getNewLocation(sPageAddress, sOldSuffix, sNewSuffix) {
	var pos;
	var newAddress;
	var isLocal = false;
	
	pos = sPageAddress.indexOf('index.html'+sOldSuffix+'index.html');
	
	if(pos==-1) {
		isLocal = true;
		pos = sPageAddress.indexOf('MS_38.html'+sOldSuffix+'MS_38.html');
	}
	
	if(isLocal) {
		newAddress = sPageAddress.substring(0, pos)+'\\'+sNewSuffix+'\\'+sPageAddress.substring(pos+4, sPageAddress.length);
	} else {
		newAddress = sPageAddress.substring(0, pos)+'/'+sNewSuffix+'/'+sPageAddress.substring(pos+4, sPageAddress.length);
	}
	
	return newAddress;
}

//---------------------------------------------------------------------------------
function switchLang(objSel) {
	var pos = 0;
	var sPageAddress = document.location.href;
	var newLang = objSel.options[objSel.options.selectedIndex].value;
	var aLangs = new Array('IT', 'EN', 'FR', 'DE', 'ES');

	// Determino la lingua attuale della pagina
	for(var i=0; i<aLangs.length; i++) {
		if(sPageAddress.indexOf('index.html'+aLangs[i]+'index.html')!=-1) {
			pos = sPageAddress.indexOf('index.html'+aLangs[i]+'index.html');			
			break;
		} else if(sPageAddress.indexOf('MS_38.html'+aLangs[i]+'MS_38.html')!=-1) {
			pos = sPageAddress.indexOf('MS_38.html'+aLangs[i]+'MS_38.html');
			break;
		}
	}

	var oldLang = sPageAddress.substring(pos+1, pos+3);
	var oldLocation = sPageAddress;
	
	// Verifico se sono in una pagina della medesima lingua
	if(!isSameLang(oldLocation, newLang)) {
		newLocation = getNewLocation(oldLocation, oldLang, newLang);
	} else 	return;
		
	//alert(newLocation);
	document.location.href = newLocation;
}