diff --git a/app/views/main/submission.html.haml b/app/views/main/submission.html.haml
--- a/app/views/main/submission.html.haml
+++ b/app/views/main/submission.html.haml
@@ -1,25 +1,31 @@
 = user_title_bar(@user)
 
-.task-menu
-  Task List
-  %br/
-  - @problems.each do |problem| 
-    = link_to problem.name, :action => 'submission', :id => problem.name
+.panel.panel-info
+  .panel-heading
+    Select Problems
+  .panel-body
+    .form-inline
+      = select 'submission',
+        'problem_id',
+        @problems.collect {|p| ["[#{p.name}] #{p.full_name}", main_submission_url(p.id)]},
+        { selected: (@problem ? main_submission_url(@problem) : -1) },
+        { class: 'select2 form-control'} 
+      %button.btn.btn-primary.btn-sm.go-button#problem_go{data: {source: '#submission_problem_id'}} Go
 
 - if @problem!=nil
   %h2= "Task: #{@problem.full_name} (#{@problem.name})"
 
 - if @submissions!=nil
   - if @submissions.length>0
-    %table.info
-      %tr.info-head
-        %th.info No.
-        %th.info #
-        %th.info At
-        %th.info Source
-        %th.info Result
-        %th.info{:width => "300px"} 
-          Compiler message
+    %table.table
+      %thead
+        %th No.
+        %th #
+        %th At
+        %th Source
+        %th Result
+        %th{:width => "300px"} Compiler message
+        %th
       = render :partial => 'submission', :collection => @submissions
   - else
     No submission