...

app/views/boards/_project_show.html.erb

@@ -104,7 +104,7 @@
         <% replies_all = topic.children.includes(:author, :attachments, {:board => :project}).
                 reorder("#{Message.table_name}.id asc").all %>
         <% unless replies_all.empty? %>
-          <div class="talkWrapMsg">
+          <div class="talkWrapMsg" nhname="nh_reply_div" id="nh_reply_div_<%= topic.id %>">
             <ul>
               <% replies_all_i = 0 %>
               <% replies_all.each do |message| %>
@@ -294,6 +294,7 @@
       $(".talkmain_box").each(function(){
           var target = $("li[nhname='reply_rec']",$(this));
           var btn = $("a[nhname='reply_ex_btn']",$(this));
+          var jumpobj = $("div[nhname='nh_reply_div']",$(this));
           btn.click(function(){
               if($(this).data('init')=='0'){
                   $(this).data('init',1);
@@ -305,6 +306,8 @@
                   target.hide();
                   target.eq(0).show();
                   target.eq(1).show();
+                  $("#nhjump").attr('href','#'+jumpobj.attr('id'));
+                  $("#nhjump")[0].click();
               }
           });
       });