var ie4="";
var ns4="";
var ie6="";

if (document.all) ie4=true;
if (document.layers) ns4=true;
if ((document.getElementById) && (!document.all)) ie6=true;

function hideDiv(){
	
	if (ie4) document.all['preload'].style.visibility = 'hidden';
	if (ie4) document.all['home'].style.visibility = 'visible';
	if (ns4) document.layers['preload'].visibility = 'hidden';
	if (ns4) document.layers['home'].visibility = 'visible';
	if (ie6) document.getElementById('preload').style.visibility = 'hidden';
	if (ie6) document.getElementById('home').style.visibility = 'visible';
return 0;
}

function chiudi($name){ 

	if (ie4) document.all[ $name ].style.visibility = 'hidden';
	if (ns4) document.layers[ $name ].visibility = 'hidden';
	if (ie6) document.getElementById( $name ).style.visibility = 'hidden';
	
return 0;
}