public class SecondaryDomainCookieModule : System.Web.IHttpModule
{
public SecondaryDomainCookieModule(){}
public void Dispose(){}
public void Init(System.Web.HttpApplication context)
{
context.EndRequest +=new EventHandler(cookie_Edit_EndRequest);
}
private void cookie_Edit_EndRequest(object sender, EventArgs e)
{
HttpContext context  = ((HttpApplication)sender).Context;
string domain = ".tzl.com";
string cookieName =  FormsAuthentication.FormsCookieName;
HttpCookie cookie = context.Response.Cookies[cookieName];
if(cookie != null)
{
cookie.Domain = domain;
}
}
}