Index: openacs-4/www/blank-master.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/www/blank-master.tcl,v
diff -u -r1.48 -r1.49
--- openacs-4/www/blank-master.tcl	12 Jul 2009 01:12:33 -0000	1.48
+++ openacs-4/www/blank-master.tcl	19 Sep 2010 10:23:50 -0000	1.49
@@ -246,6 +246,19 @@
     }
 }
 
+# OpenGraph protocol http://opengraphprotocol.org for social networking
+# Should these use parameterized values instead? 
+template::head::defaults_meta -name "og:title" -content $doc(title)
+template::head::defaults_meta -name "og:type" -content "website"
+template::head::defaults_meta -name "og:url" -content [ad_return_url -qualified]
+template::head::defaults_meta -name "og:image" -content "[ad_url]/favicon.ico"
+if { [info exists ::template::head::metas(,description)] } {
+    template::head::defaults_meta -name "og:description" -content "[lindex $::template::head::metas(,description) 3]"
+}
+template::head::defaults_meta -name "og:site_name" -content [ad_system_name]
+
+
+
 template::head::prepare_multirows
 set event_handlers [template::get_body_event_handlers]
 # Retrieve headers and footers