--- a/ontology/ProvenanceFormalModel.html	Tue Oct 04 20:14:31 2011 -0400
+++ b/ontology/ProvenanceFormalModel.html	Tue Oct 04 20:17:33 2011 -0400
@@ -443,7 +443,9 @@
 	  	<h3>Overview of the ontology</h3>
 	      <p>The following diagram illustrates the complete PROV ontology schema along with the cardinality restrictions imposed on the properties. </p>
 		  <img src="http://www.w3.org/2011/prov/wiki/images/9/9a/Object_Properties_overall_diagram.png" />
-		  <img src="http://dvcs.w3.org/hg/prov/raw-file/cd967c0105fa/ontology/diagram-history/2011-10-03-tlebo/ProvenanceOntology.owl.png" alt="overview diagram of the PROV OWL ontology"/>
+		  <a href="http://dvcs.w3.org/hg/prov/raw-file/cd967c0105fa/ontology/diagram-history/2011-10-03-tlebo/ProvenanceOntology.owl.pdf">
+         <img src="http://dvcs.w3.org/hg/prov/raw-file/cd967c0105fa/ontology/diagram-history/2011-10-03-tlebo/ProvenanceOntology.owl.png" alt="overview diagram of the PROV OWL ontology"/>
+        </a>
       </section>
     </section>
 	<section>
@@ -554,7 +556,9 @@
 		<p> The following new object property was created in the CrimeFile Ontology by extending the PROV ontology object property:</p>
 		<section>
 		<p>The following diagram illustrates the above specialization: </p>
-         <img src="http://dvcs.w3.org/hg/prov/raw-file/4504a7462bd9/ontology/examples/ontology-extensions/crime-file/crime.owl.png"/>
+         <a href="http://dvcs.w3.org/hg/prov/raw-file/4504a7462bd9/ontology/examples/ontology-extensions/crime-file/crime.owl.pdf">
+            <img src="http://dvcs.w3.org/hg/prov/raw-file/4504a7462bd9/ontology/examples/ontology-extensions/crime-file/crime.owl.png"/>
+         </a>
          <br>         
          <em>Example extension of PROV ontology in order to describe the crime file scenario</em>
       </p>