function newImage(name){
	Images[name]	= new Array();
	
	Images[name][0]		= new Image();
	Images[name][0].src	= 'images/struct/menu/' + name + '_off.gif';
	
	Images[name][1]		= new Image();
	Images[name][1].src	= 'images/struct/menu/' + name + '_on.gif';
}

function rollover(name, onoff){
	document.images[name].src = Images[name][onoff].src;
}

var Images = new Array();
newImage('home');
newImage('storia');
newImage('carriera');
newImage('lettere');
newImage('guestbook');
newImage('download');
newImage('ringraziamenti');