Index: app/views/projects/settings/_members.rhtml
===================================================================
--- app/views/projects/settings/_members.rhtml	(revision 3735)
+++ app/views/projects/settings/_members.rhtml	(working copy)
@@ -19,7 +19,7 @@
   <td class="roles">
     <span id="member-<%= member.id %>-roles"><%=h member.roles.sort.collect(&:to_s).join(', ') %></span>
     <% if authorize_for('members', 'edit') %>
-      <% remote_form_for(:member, member, :url => {:controller => 'members', :action => 'edit', :id => member},
+      <% remote_form_for(:member, member, :url => {:controller => 'members', :action => 'edit', :id => member}, :complete => 'hideRoles()',
       																		:method => :post,
       																		:html => { :id => "member-#{member.id}-roles-form", :class => 'hol' }) do |f| %>
       	<p><% roles.each do |role| %>
@@ -36,7 +36,8 @@
       <%= link_to_function l(:button_edit), "$('member-#{member.id}-roles').hide(); $('member-#{member.id}-roles-form').show(); return false;", :class => 'icon icon-edit' %>
       <%= link_to_remote(l(:button_delete), { :url => {:controller => 'members', :action => 'destroy', :id => member},                                              
                                               :method => :post,
-                                              :confirm => (!User.current.admin? && member.include?(User.current) ? l(:text_own_membership_delete_confirmation) : nil)
+                                              :confirm => (!User.current.admin? && member.include?(User.current) ? l(:text_own_membership_delete_confirmation) : nil),
+                                              :complete => 'hideRoles()'
                                             }, :title => l(:button_delete),
                                                :class => 'icon icon-del') if member.deletable? %>
   </td>
@@ -55,7 +56,7 @@
 
 <div class="splitcontentright">
 <% if roles.any? && principals.any? %>
-  <% remote_form_for(:member, @member, :url => {:controller => 'members', :action => 'new', :id => @project}, :method => :post) do |f| %>
+  <% remote_form_for(:member, @member, :url => {:controller => 'members', :action => 'new', :id => @project}, :method => :post, :complete => "hideRoles()") do |f| %>
     <fieldset><legend><%=l(:label_member_new)%></legend>
     
 		<p><%= text_field_tag 'principal_search', nil %></p>
Index: public/javascripts/application.js
===================================================================
--- public/javascripts/application.js	(revision 3735)
+++ public/javascripts/application.js	(working copy)
@@ -220,8 +220,10 @@
     }
 });
 
-Event.observe(window, 'load', function() {
+function hideRoles() {
   $$('.hol').each(function(el) {
   	el.hide();
 	});
-});
+}
+
+Event.observe(window, 'load', hideRoles);