<!-- hide script from old browsers 
NS4 = document.layers;
IE4 = document.all;
domL1 = document.getElementById;
var txtVisible;
var txtHidden;
if (NS4) {
	txtVisible="show";
	txtHidden="hide";
}else if (IE4){
	txtVisible="visible";
	txtHidden="hidden";
}else if (domL1) {
	txtVisible="visible";
	txtHidden="hidden";
}

function hide(obj) {
	if (NS4){
		var theObj = eval('document.layers.' + obj); 
	}
	else if (IE4){
		var theObj = eval('document.all.' + obj + '.style');
	}
	else if (domL1) {
		var theObj = document.getElementById(obj).style;
	}
	if(theObj != null) {
		theObj.visibility = txtHidden;
	}
}

function show(obj){ 
	if(NS4){
		var theObj = eval('document.layers.' + obj);
	}
	else if (IE4) {var theObj = eval('document.all.' + obj + '.style');}
	else if (domL1) {
		var theObj = document.getElementById(obj).style;
	}
	if (theObj != null) {
		theObj.visibility = txtVisible;
	}
	
}

function hideAll() {
	hide('produzione');
	hide('chiSiamo');
	hide('dove');
	hide('BoxContatti');
	hide('mostranascondi');
	hide('LinkHome');
}

function cambia(obj){ 
	hideAll();
	show(obj);
}

//-->