root/app/views/account/_form.rhtml

<% form_for :user, :url => {:action => "update", :id => @user } do |f| -%>

        <p><label for="login">Login</label><br/>
                <%= f.text_field :login %> 
        </p>
        
        <p><label for="Role">Role</label><br/>
        <SELECT name="user[role]" >     
                                <% if @user.roles.include?("admin") %>
                                        <option selected value="admin">Admin</option>
                                <% else %>
                                        <option value="admin">Admin</option>
                                <% end %>
                                
                                <% if @user.roles.include?("editor") %>
                                        <option selected value="editor">User - Upload and Download</option>
                                <% else %>
                                        <option value="editor">User - Upload and Download</option>
                                <% end %>
                                
                                <% if @user.roles.include?("viewer") %>
                                        <option selected  value="viewer">User - Download</option>
                                <% else %>
                                        <option value="viewer">User - Download</option>
                                <% end %>               
                        </SELECT>
        </p>
        
        <p><label for="email">Email</label><br/>
                <%= f.text_field :email %> 
        </p>
        
        <p><%= submit_tag 'Modify' %></p>
<% end -%>