ika re-redesign module widget

app/helpers/application_helper.rb

@@ -54,8 +54,14 @@ module ApplicationHelper
     raw(formatted_messages.join)
   end
   
-  def link_back
-     link_to t('back'), get_go_back, :class => 'nav'
+  def link_back(custom_class=nil)
+    case custom_class
+    when nil
+     link_to t('back'), get_go_back, :class => 'nav'  
+    else
+      link_to t('back'), get_go_back, :class => custom_class  
+    end
+     
   end
   
   # Clean the link back