diff --git a/cast.htm b/cast.htm
index 77364c4..587d08a 100644
--- a/cast.htm
+++ b/cast.htm
@@ -120,10 +120,10 @@ void f( Fruit * fruit ) {
     <p><code>polymorphic_cast</code> was suggested by Bjarne Stroustrup in "The C++
     Programming Language".<br>
      <code>polymorphic_downcast</code> was contributed by <a href=
-    "http://beta.boost.org/users/people/dave_abrahams.html">Dave Abrahams</a>.<code><br>
+    "../../people/dave_abrahams.htm">Dave Abrahams</a>.<code><br>
      An old
      numeric_cast</code> that was contributed by <a href=
-    "http://beta.boost.org/users/people/kevlin_henney.html">Kevlin Henney</a> is now superseeded by the <a href="../numeric/conversion/doc/index.html">Boost Numeric Conversion Library</a></p>
+    "../../people/kevlin_henney.htm">Kevlin Henney</a> is now superseeded by the <a href="../numeric/conversion/doc/index.html">Boost Numeric Conversion Library</a></p>
     <hr>
 
     <p>Revised