function NuovaWindow(fname,x,y,titolo) {
	var m_wopt;
	var xx = 30;
	var yy = 30;
	var l;
	var t;
	var flagw=false;
	var flagh=false;
	xx = x/1 + xx;
	yy = y/1 + yy;
	if (x > screen.width) {
		flagw= true;
	}
	if (yy > (screen.height-100)) {
		flagh= true;
	}
	l = screen.width / 2 - xx/2;
	t = screen.height / 2 - yy/2;
	
	if (flagh) {
		m_wopt = 'scrollbars=yes,resizable=yes,left=' + l + ',top=' + t + ',width=' + xx + ',height=' + (screen.height-150) + ',status=no,location=no,toolbar=no';
	} else {
		m_wopt = 'scrollbars=no,resizable=no,left=' + l + ',top=' + t + ',width=' + xx + ',height=' + yy + ',status=no,location=no,toolbar=no';
	}
	popup = window.open(fname,titolo,m_wopt);  

	
	if (flagh=true){
		//popup.document.write(yy+"::"+xx);
	}
	
	popup.document.close();
	

	}