Umbraco usefull global translate function

Functions.cshtml

@functions {
    /// <summary>
    /// Using Dictionary return a translation or default value
    /// If defaultValue is empty and the key was not defined, a "*"+key will be returned
    /// So that you know that you need to create a translation/dictionary for that key 
    /// </summary>
    /// <param name="key">The dictonary key to search for</param>
    /// <param name="defaultValue">A optional default value</param>
    /// <returns>The found dictonary</returns>
    public static String Translate(string key, string defaultValue = "")
    {
        Umbraco.Web.UmbracoHelper helper = new Umbraco.Web.UmbracoHelper();
        string value = helper.GetDictionaryValue(key);
        defaultValue = (String.IsNullOrEmpty(defaultValue) ? "*" + key : defaultValue);
        return (String.IsNullOrEmpty(value) ? defaultValue : value);
    }
}