Emailadresse vor Spam schützen mit JavaScript

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/// <summary>
/// Gets the JavaScript.
/// </summary>
/// <param name="email">The email.</param>
/// <returns></returns>
private string GetJavaScript(string email)
{
    MailAddress emailadress = new MailAddress(email);
    StringBuilder stringBuilder = new StringBuilder();

    stringBuilder.AppendLine("<script language=\"javascript\"><!--");
    stringBuilder.AppendLine(string.Format("var localpart=\"{0}\";", emailadress.User));
    stringBuilder.AppendLine(string.Format("var domainpart=\"{0}\";", emailadress.Host));
    stringBuilder.AppendLine("document.write('<a href=\"mailto:'+localpart+'@'+domainpart+'\">'+localpart+'@'+domainpart+'</a>');");
    stringBuilder.AppendLine("//--></script>");
    stringBuilder.AppendLine(string.Format("<noscript>{0}&nbsp;[at]&nbsp;{1}</noscript>", emailadress.User, emailadress.Host.Replace(".", "&nbsp;[dot]&nbsp;")));

    return stringBuilder.ToString();
}