diff --git a/app/helpers/gantt_helper.rb b/app/helpers/gantt_helper.rb
index 38f3765e..97f7646f 100644
--- a/app/helpers/gantt_helper.rb
+++ b/app/helpers/gantt_helper.rb
@@ -16,6 +16,33 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 module GanttHelper
+
+  def gantt_zoom_link(gantt, in_or_out)
+    img_attributes = {:style => 'height:1.4em; width:1.4em; margin-left: 3px;'} # em for accessibility
+
+    case in_or_out
+    when :in
+      if gantt.zoom < 4
+        link_to_remote(l(:text_zoom_in) + image_tag('zoom_in.png', img_attributes.merge(:alt => l(:text_zoom_in))),
+                       {:url => gantt.params.merge(:zoom => (gantt.zoom+1)), :method => :get, :update => 'content'},
+                       {:href => url_for(gantt.params.merge(:zoom => (gantt.zoom+1)))})
+      else
+        l(:text_zoom_in) +
+          image_tag('zoom_in_g.png', img_attributes.merge(:alt => l(:text_zoom_in)))
+      end
+      
+    when :out
+      if gantt.zoom > 1
+        link_to_remote(l(:text_zoom_out) + image_tag('zoom_out.png', img_attributes.merge(:alt => l(:text_zoom_out))),
+                       {:url => gantt.params.merge(:zoom => (gantt.zoom-1)), :method => :get, :update => 'content'},
+                       {:href => url_for(gantt.params.merge(:zoom => (gantt.zoom-1)))})
+      else
+        l(:text_zoom_out) +
+          image_tag('zoom_out_g.png', img_attributes.merge(:alt => l(:text_zoom_out)))
+      end
+    end
+  end
+  
   def number_of_issues_on_versions(gantt)
     versions = gantt.events.collect {|event| (event.is_a? Version) ? event : nil}.compact
 
diff --git a/app/helpers/issues_helper.rb b/app/helpers/issues_helper.rb
index d84ec6c9..321041b7 100644
--- a/app/helpers/issues_helper.rb
+++ b/app/helpers/issues_helper.rb
@@ -246,30 +246,4 @@ module IssuesHelper
     end
     export
   end
-
-  def gantt_zoom_link(gantt, in_or_out)
-    img_attributes = {:style => 'height:1.4em; width:1.4em; margin-left: 3px;'} # em for accessibility
-
-    case in_or_out
-    when :in
-      if gantt.zoom < 4
-        link_to_remote(l(:text_zoom_in) + image_tag('zoom_in.png', img_attributes.merge(:alt => l(:text_zoom_in))),
-                       {:url => gantt.params.merge(:zoom => (gantt.zoom+1)), :method => :get, :update => 'content'},
-                       {:href => url_for(gantt.params.merge(:zoom => (gantt.zoom+1)))})
-      else
-        l(:text_zoom_in) +
-          image_tag('zoom_in_g.png', img_attributes.merge(:alt => l(:text_zoom_in)))
-      end
-      
-    when :out
-      if gantt.zoom > 1
-        link_to_remote(l(:text_zoom_out) + image_tag('zoom_out.png', img_attributes.merge(:alt => l(:text_zoom_out))),
-                       {:url => gantt.params.merge(:zoom => (gantt.zoom-1)), :method => :get, :update => 'content'},
-                       {:href => url_for(gantt.params.merge(:zoom => (gantt.zoom-1)))})
-      else
-        l(:text_zoom_out) +
-          image_tag('zoom_out_g.png', img_attributes.merge(:alt => l(:text_zoom_out)))
-      end
-    end
-  end
 end