Remove redundant _form_submit selectors

app/views/hydrants/_abandon.html.erb

@@ -2,5 +2,5 @@
   <%= f.hidden_field "id" %>
   <%= f.hidden_field "user_id", :value => "" %>
   <%= f.hidden_field "name", :value => "" %>
-  <%= f.submit "Abandon this hydrant", :id => "abandon_form_submit" %>
+  <%= f.submit "Abandon this hydrant" %>
 <% end %>

app/views/hydrants/_back.html.erb

@@ -1,4 +1,4 @@
 <%= form_for(:hydrant, :url => '/hydrant', :html => {:id => "back_form", :method => "get"}) do |f| %>
   <%= f.hidden_field "id" %>
-  <%= f.submit "Back", :id => "back_form_submit" %>
+  <%= f.submit "Back" %>
 <% end %>

app/views/hydrants/_steal.html.erb

@@ -2,5 +2,5 @@
   <%= f.hidden_field "id" %>
   <%= f.hidden_field "user_id", :value => "" %>
   <%= f.hidden_field "name", :value => "" %>
-  <%= f.submit "Steal this hydrant", :id => "steal_form_submit" %>
+  <%= f.submit "Steal this hydrant" %>
 <% end %>

app/views/hydrants/adopt.html.erb

@@ -4,7 +4,7 @@
   <%= f.hidden_field "user_id", :value => current_user.id %>
   <%= f.label "name", "Give this hydrant a name", :id => "hydrant_name_label" %>
   <%= f.text_field "name", :tabindex => 1 %>
-  <%= f.submit "Adopt!", :tabindex => 2, :id => "adoption_form_submit" %>
+  <%= f.submit "Adopt!", :tabindex => 2 %>
   <p>By adopting this hydrant, you agree to the <%= link_to "Terms of Service", "#", :tabindex => 3 %>.</p>
 <% end %>
 <%= render(:partial => 'users/edit_profile') %>

app/views/sessions/_sign_in.html.erb

@@ -1,3 +1,3 @@
 <%= form_for(:sign_in, :html => {:id => "sign_in_form"}) do |f| %>
-  <%= f.submit "Sign in", :id => "sign_in_form_submit" %>
+  <%= f.submit "Sign in" %>
 <% end %>

app/views/sessions/_sign_out.html.erb

@@ -1,3 +1,3 @@
 <%= form_for(:sign_out, :html => {:id => "sign_out_form"}) do |f| %>
-  <%= f.submit "Sign out", :id => "sign_out_form_submit" %>
+  <%= f.submit "Sign out" %>
 <% end %>

app/views/users/_edit_profile.html.erb

@@ -1,3 +1,3 @@
 <%= form_for(:user, :url => edit_user_registration_path, :html => {:id => "edit_profile_form", :method => "get"}) do |f| %>
-  <%= f.submit "Edit profile", :id => "edit_profile_form_submit" %>
+  <%= f.submit "Edit profile" %>
 <% end %>

public/javascripts/application.js

@@ -386,7 +386,7 @@ $(function() {
       url: '/hydrant',
       data: {
         'id': $('#hydrant_id').val(),
-        'commit': $('#adoption_form_submit').val(),
+        'commit': submitButton.val(),
         'utf8': '✓',
         'authenticity_token': $('#adoption_form input[name="authenticity_token"]').val(),
         '_method': 'put',
@@ -432,7 +432,7 @@ $(function() {
         url: '/hydrant',
         data: {
           'id': $('#hydrant_id').val(),
-          'commit': $('#abandon_form_submit').val(),
+          'commit': submitButton.val(),
           'utf8': '✓',
           'authenticity_token': $('#abandon_form input[name="authenticity_token"]').val(),
           '_method': 'put',
@@ -478,7 +478,7 @@ $(function() {
         url: '/hydrant',
         data: {
           'id': $('#hydrant_id').val(),
-          'commit': $('#steal_form_submit').val(),
+          'commit': submitButton.val(),
           'utf8': '✓',
           'authenticity_token': $('#steal_form input[name="authenticity_token"]').val(),
           '_method': 'put',
@@ -515,11 +515,13 @@ $(function() {
     return false;
   });
   $('#edit_profile_form').live('submit', function() {
+    var submitButton = $("#edit_profile_form input[type='submit']");
+    $(submitButton).attr("disabled", true);
     $.ajax({
       type: 'GET',
       url: '/users/edit',
       data: {
-        'commit': $('#edit_profile_form_submit').val(),
+        'commit': submitButton.val(),
         'utf8': '✓',
         'authenticity_token': $('#edit_profile_form input[name="authenticity_token"]').val()
       },
@@ -579,7 +581,7 @@ $(function() {
         data: {
           'id': $('#id').val(),
           'hydrant_id': activeHydrantId,
-          'commit': $('#edit_form_submit').val(),
+          'commit': submitButton.val(),
           'utf8': '✓',
           'authenticity_token': $('#edit_form input[name="authenticity_token"]').val(),
           '_method': 'put',
@@ -654,7 +656,7 @@ $(function() {
       type: 'GET',
       url: '/users/sign_out.json',
       data: {
-        'commit': $('#sign_out_form_submit').val(),
+        'commit': submitButton.val(),
         'utf8': '✓',
         'authenticity_token': $('#sign_out_form input[name="authenticity_token"]').val()
       },
@@ -684,7 +686,7 @@ $(function() {
       type: 'GET',
       url: '/users/sign_in',
       data: {
-        'commit': $('#sign_in_form_submit').val(),
+        'commit': submitButton.val(),
         'utf8': '✓',
         'authenticity_token': $('#sign_in_form input[name="authenticity_token"]').val(),
       },
@@ -705,7 +707,7 @@ $(function() {
       type: 'GET',
       url: '/hydrant',
       data: {
-        'commit': $('#back_form_submit').val(),
+        'commit': submitButton.val(),
         'utf8': '✓',
         'authenticity_token': $('#back_form input[name="authenticity_token"]').val(),
         'hydrant_id': activeHydrantId