Force SSL for asp.net site

I've installed an ssl certificate on IIS6 and all is working fine.  However, I want to force my users to go over ssl for the whole site, or at least some of it, preferably without coding it into the .NET pages.
So far, I have the following in the page_load event, but would much rather it was an IIS based system, or something that doesn't involve a great deal of maintenance which adding code to specific pages:
'FORCE SSL BEGINS*************************************** Dim myname As String Dim i As Integer myname = Request.ServerVariables("SCRIPT_NAME") i = InStr(myname, ">") If i > 0 Then myname = Left(myname, i - 1) Do While Left(myname, 1) = "/" myname = Mid(myname, 2) Loop If UCase(Request.ServerVariables("HTTPS")) = "OFF" Then Response.Redirect("https://www.&quo ...