function FindProxyForURL(url, host) {
    if (shExpMatch(host, "msg*.nicovideo.jp*"))
        return "DIRECT";
    if ((shExpMatch(host, "*nicovideo.jp*") ||
            shExpMatch(host, "*smilevideo.jp*")) &&
        url.substring(0, 5) == "http:") {
        return "PROXY localhost:8081";
    }
    return "PROXY localhost:8080";
}