Creating a Catch-all Redirect Page with Countdown

I just changed the domain of my site and I wanted to create a page notifying that the site has moved and then auto redirect them after a few seconds. Here's how I did it:

1) I'm using IIS 7.5 so I opted to use the IIS7 RewriteModule. I simply ran the installer and the applet appears under the site options.

2) I created a catch all site in IIS and bound it to all the old public domains:

3) Then created a UrlRewrite Rule to rewrite all requests to /Default.aspx (Except ones specifically to /Default.aspx):

4) Next created the redirection page (Stripped down for clarity):

<%@ Page Language="C#" %>
<%
string redirectUrl = string.Format("{0}://{1}{2}{3}", 
    Request.Url.Scheme,
    Request.Url.Host.Replace("mikeobrien.net", "mikeobrien.net"),  
    (Request.Url.Port != 80 ? ":" + Request.Url.Port : string.Empty), 
    Request.Headers["X-Original-URL"]);
%>
<html>
<head>
    <title>We've Movedtitle>
    <script language="javascript">
        function RedirectPage(url, seconds)
        {
            self.setTimeout('self.location.href = \'' + url + '\';', seconds * 1000);
        }

        function CountDown(seconds, elementId)
        {
            if (seconds == 0) return;
            document.getElementById(elementId).innerHTML = seconds;
            self.setTimeout('CountDown(' + (seconds - 1) + ', \'' + elementId + '\');', 1000);
        }
    script>
head>
<body onLoad="RedirectPage('<% = redirectUrl %>', 5);CountDown(5, 'timeLeft');">
    <h3>We've moved!h3>

    <p>
    The page you requested can now be found <a href="<% = redirectUrl %>">herea>. 
    You will be redirected in <span id="timeLeft">5span> seconds.
    p>
body>
html>

5) And voila!

Creating a Catch-all Redirect Page with Countdown October, 2009