/**
 * windowを新しく開く
 * @p_url windowのURL
 * @p_winnm windowの名前
 * @p_width windowの幅
 * @p_height windowの高さ
 */
function open_newwin(p_url, p_winnm, p_width, p_height) {
	var w = window;
	var str = 'resizable=yes,menubar=no,directories=no,scrollbars=yes,status=no,location=no';

	str = str + ',width=' + p_width;
	str = str + ',height=' + p_height;
	str = "'" + str + "'";

	w = open(p_url,p_winnm, str);
	w.focus();
	return false;
}