Adds a helper for preview links.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10031 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/boards/show.html.erb

@@ -14,13 +14,7 @@
 <%= form_for @message, :url => {:controller => 'messages', :action => 'new', :board_id => @board}, :html => {:multipart => true, :id => 'message-form'} do |f| %>
   <%= render :partial => 'messages/form', :locals => {:f => f} %>
   <p><%= submit_tag l(:button_create) %>
-  <%= link_to_remote l(:label_preview),
-                     { :url => { :controller => 'messages', :action => 'preview', :board_id => @board },
-                       :method => 'post',
-                       :update => 'preview',
-                       :with => "Form.serialize('message-form')",
-                       :complete => "Element.scrollTo('preview')"
-                     }, :accesskey => accesskey(:preview) %> |
+  <%= preview_link({:controller => 'messages', :action => 'preview', :board_id => @board}, 'message-form') %> |
   <%= link_to l(:button_cancel), "#", :onclick => 'Element.hide("add-message")' %></p>
 <% end %>
 <div id="preview" class="wiki"></div>