main.js: a bit more sane code

templates/thread.html

@@ -4,7 +4,9 @@
 	<meta charset="utf-8">
 
         <script type="text/javascript">
-          var active_page = "thread";
+          var active_page = "thread"
+	    , board_name = "{{ board.uri }}"
+	    , thread_id = "{{ thread.id }}";
 	</script>
 
 	{% include 'header.html' %}