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