changing options on files_*, search, also next/prev all now use POST->redirect model, so should allow back/forward browser buttons to work - commit so we can test in PROD

templates/viewer.html

@@ -86,6 +86,7 @@
         s+='<input type="hidden" name="folders" value="{{OPT.folders}}">'
         s+='<input type="hidden" name="how_many" value="{{OPT.how_many}}">'
         s+='<input type="hidden" name="orig_url" value="{{OPT.orig_url}}">'
+        s+='<input type="hidden" name="view_eid" value="{{OPT.view_eid}}">'
         s+='<input type="hidden" name="fullscreen" value="' + fullscreen + '">'
         s+='<input type="hidden" name="' + dir + '" value="1">'
         {% if search_term is defined %}