Admin/website/overview.html
changeset 16296 f05c81817ec6
parent 16284 8bcecefd2e89
child 16416 6061ae1f90f2
--- a/Admin/website/overview.html	Mon Jun 06 11:30:57 2005 +0200
+++ b/Admin/website/overview.html	Mon Jun 06 12:17:59 2005 +0200
@@ -35,13 +35,20 @@
       (University of Cambridge, UK) and Tobias Nipkow (Technical
       University of Munich, Germany).</p>
 
-      <h2>What Isabelle offers</h2>
+      <h2>Preview on Isabelle</h2>
 
-        <a href="//img/isabelle_pg_screenshot_big.png">
+        <a href="//media/pg_preview.mov">
             <img class="left" src="//img/isabelle_pg_screenshot_small.png" alt="Sreenshot "
                 width="250" height="277" />
         </a>
 
+        <p>Here is a <a href="//media/pg_preview.mov">hyperlinked preview</a> demonstrating
+        Isabelle and ProofGeneral, in <a href="http://www.apple.com/quicktime/download/">QuickTime
+        format</a>, and also as a <a href="//media/pg_preview.pdf">non-hyperlinked preview</a> in PDF.</p>
+        <br clear="all"/>
+
+      <h2>What Isabelle offers</h2>
+
       <p>Isabelle provides excellent notational support: new notations
       can be introduced, using normal mathematical symbols. Proofs can
       be written in a structured notation based upon traditional proof
@@ -75,17 +82,11 @@
       eases the task of writing and maintaining proof scripts.</p>
       <br clear="all" />
 
-      <h2>Preview</h2>
-
-      <p>We provide a <a href="media/pg_preview.mov">hyperlinked preview</a> demonstrating
-      Isabelle and ProofGeneral, in <a href="http://www.apple.com/quicktime/download/">QuickTime
-      format</a>, and also as a <a href="media/pg_preview.pdf">non-hyperlinked preview</a> in PDF.</p>
-    
       <p>Ample <a href="dist/documentation.html">documentation</a> is available
       about using Isabelle and its inner concepts, including a
       <a href="http://www4.in.tum.de/~nipkow/LNCS2283/">Tutorial</a> published by
       Springer-Verlag.</p>
-    
+
       <h2>Projects</h2>
 
       <p>There is an (incomplete) list of past and present <a href=