function openpop(URL,W,H)
	{	W=W+20;
		H=H+25;
		L = parseInt((window.screen.width - W) / 2);
		T = parseInt((window.screen.height - H) / 2);
		var Wnd = window.open(URL, "finestra", "left=" + L + ",top=" + T + ",width=" + W + ",height=" + H + ",toolbar=no,resizable=no,location=no,directories=no,status=no,menubar=no,scrollbars=no");
	}
function openpop_res(URL,W,H)
	{	W=W+20;
		H=H+25;
		L = parseInt((window.screen.width - W) / 2);
		T = parseInt((window.screen.height - H) / 2);
		var Wnd = window.open(URL, "finestra", "left=" + L + ",top=" + T + ",width=" + W + ",height=" + H + ",toolbar=no,resizable=yes,location=no,directories=no,status=no,menubar=no,scrollbars=no");
	}