Remove redundant _submit selectors

app/views/main/index.html.erb

@@ -8,7 +8,7 @@
     <%= select_tag "city_state", '<option value="Boston, MA" selected="selected">Boston, MA</option>'.html_safe, :tabindex => 10 %>
     <%= label_tag "address", "Address", :id => "address_label" %>
     <%= text_field_tag "address", params[:address], :tabindex => 11 %>
-    <%= submit_tag "Find Fire Hydrants", :id => "address_submit", :tabindex => 12 %>
+    <%= submit_tag "Find fire hydrants", :tabindex => 12 %>
   <% end %>
   <div id="logos">
     <%= image_tag "logos/cfa.png", :alt => "Code for America", :title => "Code for America" %>

app/views/sessions/new.html.erb

@@ -17,18 +17,18 @@
     <%= f.text_field "sms_number", :tabindex => 6 %>
     <%= f.label "password_confirmation", "Choose a password", :id => "user_password_confirmation_label" %>
     <%= f.password_field "password_confirmation", :tabindex => 7 %>
-    <%= f.submit "Sign up", :tabindex => 8, :id => "user_sign_up_submit" %>
+    <%= f.submit "Sign up", :tabindex => 8 %>
     <p>By signing up, you agree to the <%= link_to "Terms of Service", "#", :tabindex => 9 %>.</p>
   </div>
   <div id="user_sign_in_fields" style="display: none;">
     <%= f.label "password", "Password", :id => "user_password_label" %>
     <%= f.password_field "password", :tabindex => 0 %>
     <%= f.label "remember_me", (f.check_box("remember_me", :checked => true, :tabindex => 0).html_safe + "Stay signed in"), :id => "user_remember_me_label" %><br />
-    <%= f.submit "Sign in", :tabindex => 0, :id => "user_sign_in_submit" %>
+    <%= f.submit "Sign in", :tabindex => 0 %>
     <p><%= link_to "Forgot your password?", "#", :id => "user_forgot_password_link", :tabindex => 0 %></p>
   </div>
   <div id="user_forgot_password_fields" style="display: none;">
-    <%= f.submit "Email me my password", :tabindex => 0, :id => "user_forgot_password_submit" %>
+    <%= f.submit "Email me my password", :tabindex => 0 %>
     <p><%= link_to "Never mind. I remembered my password.", "#", :id => "user_remembered_password", :tabindex => 0 %></p>
   </div>
 <% end %>

app/views/users/edit.html.erb

@@ -15,6 +15,6 @@
   <%= f.password_field "password", :tabindex => 6 %>
   <%= f.label "current_password", "Current password", :id => "user_current_password_label" %> <em>(we need your current password to confirm your changes)</em>
   <%= f.password_field "current_password", :tabindex => 7 %>
-  <%= f.submit "Update", :tabindex => 8, :id => "user_update_submit" %>
+  <%= f.submit "Update", :tabindex => 8 %>
 <% end %>
 <%= render(:partial => 'hydrants/back') %>

public/javascripts/application.js

@@ -66,7 +66,7 @@ $(function() {
       type: 'GET',
       url: '/hydrants.json',
       data: {
-        'commit': $('#address_submit').val(),
+        'commit': $('#address_form input[type="submit"]').val(),
         'utf8': '✓',
         'authenticity_token': $('#address_form input[name="authenticity_token"]').val(),
         'lat': lat,
@@ -136,7 +136,7 @@ $(function() {
         type: 'GET',
         url: '/address.json',
         data: {
-          'commit': $('#address_submit').val(),
+          'commit': submitButton.val(),
           'utf8': '✓',
           'authenticity_token': $('#address_form input[name="authenticity_token"]').val(),
           'city_state': $('#city_state').val(),
@@ -219,7 +219,7 @@ $(function() {
           type: 'POST',
           url: '/users.json',
           data: {
-            'commit': $('#user_sign_up_submit').val(),
+            'commit': submitButton.val(),
             'utf8': '✓',
             'authenticity_token': $('#combo_form input[name="authenticity_token"]').val(),
             'user': {
@@ -304,7 +304,7 @@ $(function() {
           type: 'POST',
           url: '/users/sign_in.json',
           data: {
-            'commit': $('#user_sign_in_submit').val(),
+            'commit': submitButton.val(),
             'utf8': '✓',
             'authenticity_token': $('#combo_form input[name="authenticity_token"]').val(),
             'user': {
@@ -349,7 +349,7 @@ $(function() {
           type: 'POST',
           url: '/users/password.json',
           data: {
-            'commit': $('#user_forgot_password_submit').val(),
+            'commit': submitButton.val(),
             'utf8': '✓',
             'authenticity_token': $('#combo_form input[name="authenticity_token"]').val(),
             'user': {