-my $related_stories_prefix = '<div class="blosxomstoryfoot" align="left"><h4 class="related_stories">Related stories</h4><ul class="related_stories">'."\n";
-my $related_stories_suffix = "\n</ul></div>\n";
-my $related_story_join = "\n";
-my $related_story_prefix = '<li class="related_stories">';
-my $related_story_suffix = '</li>';
-my $related_story_class = 'related_stories';
+our $related_stories_prefix = '<div class="blosxomstoryfoot" align="left"><h4 class="related_stories">Related stories</h4><ul class="related_stories">'."\n" unless defined $related_stories_prefix;
+our $related_stories_suffix = "\n</ul></div>\n" unless defined $related_stories_suffix;
+our $related_story_join = "\n" unless defined $related_story_join;
+our $related_story_prefix = '<li class="related_stories">' unless defined $related_story_prefix;
+our $related_story_suffix = '</li>' unless defined $related_story_suffix;
+our $related_story_class = 'related_stories' unless defined $related_story_class;