diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 7589c59..f974d51 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1201,20 +1201,7 @@ module ApplicationHelper
   def add_zoom_to_images
     stylesheet_link_tag('fancybox') +
     javascript_include_tag('jquery.fancybox-1.3.4.pack') +
-    javascript_tag("jQuery(function($) {
-      $(window).load( function() {
-        $('#article .article-body img').each( function(index) {
-          var original = original_image_dimensions($(this).attr('src'));
-          if ($(this).width() < original['width'] || $(this).height() < original['height']) {
-            $(this).wrap('<div class=\"zoomable-image\" />');
-            $(this).parent('.zoomable-image').attr('style', $(this).attr('style'));
-            $(this).attr('style', '');
-            $(this).after(\'<a href=\"' + $(this).attr('src') + '\" class=\"zoomify-image\"><span class=\"zoomify-text\">%s</span></a>');
-          }
-        });
-        $('.zoomify-image').fancybox();
-      });
-    });" % _('Zoom in'))
+    javascript_tag("apply_zoom_to_images(#{_('Zoom in').to_json})")
   end
 
   def render_dialog_error_messages(instance_name)
diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index 168ba6c..51451ad 100644
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -1103,3 +1103,25 @@ jQuery(document).ready(function(){
     showHideTermsOfUse();
   });
 });
+
+function apply_zoom_to_images(zoom_text) {
+  jQuery(function($) {
+    $(window).load( function() {
+      $('#article .article-body img').each( function(index) {
+        var original = original_image_dimensions($(this).attr('src'));
+        if ($(this).width() < original['width'] || $(this).height() < original['height']) {
+          $(this).wrap('<div class="zoomable-image" />');
+          $(this).parent('.zoomable-image')
+          .attr({style: $(this).attr('style')})
+          .css({
+            width: $(this).width(),
+            height: $(this).height(),
+          });
+          $(this).attr('style', '');
+          $(this).after('<a href="' + $(this).attr('src') + '" class="zoomify-image"><span class="zoomify-text">'+zoom_text+'</span></a>');
+        }
+      });
+      $('.zoomify-image').fancybox();
+    });
+  });
+}
--
libgit2 0.21.2