var usescroll='no'
function loadwindow(url,wid,hei,wtit){
var sW = (window.screen.width-wid)/2;
var sH = (window.screen.height-hei)/2;
	var miawin=window.open(url,wtit,
"toolbar=no,menubar=no,location=no,scrollbars="+usescroll+",resizable=no,height="+hei+",width="+wid+",top="+sH+",left="+sW);
miawin.focus();
}

function loadwindow2(url,wid,hei,wtit){
var sW = (window.screen.width-wid)/2;
var sH = (window.screen.height-hei)/2;
	var miawin=window.open(url,wtit,
"toolbar=no,menubar=no,location=no,scrollbars=yes,resizable=no,height="+hei+",width="+wid+",top="+sH+",left="+sW);
miawin.focus();
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		menu_01_over = newImage("img/menu_01-over.gif");
		menu_02_over = newImage("img/menu_02-over.gif");
		menu_03_over = newImage("img/menu_03-over.gif");
		menu_04_over = newImage("img/menu_04-over.gif");
		menu_05_over = newImage("img/menu_05-over.gif");
		menu_06_over = newImage("img/menu_06-over.gif");
		menu_07_over = newImage("img/menu_07-over.gif");
		preloadFlag = true;
	}
}
function validate(what) {
    if (what.length < 3) {
        alert('Si prega di inserire almeno 3 caratteri per la ricerca.');
        return false;
    }
    return true;
}