function newWin (url, ttl) {
	if ((url != "") && (ttl != "")) {
		window.open(url, ttl);
	}
	return false;
}

function extWin (url, ttl, w, h) {
	if ((url != "") && (ttl != "")) {
		if ((w == 0) || (h == 0)) {
			window.open(url, ttl);
		} else {
			window.open(url, ttl, "width=" + w + ", height=" + h + ", scrollbars=yes, resizable=yes");
		}
	}
	return false;
}