anchor.diff:              this.linkedin     = ko.observable("<%= organization.cached_linkedin %>");
               this.mailto       = ko.computed(function() {
                 return 'mailto:' + this.contactEmail();
  +            }, this);
  +            this.twitterUrl   = ko.computed(function() {
  +              return 'http://twitter.com/' + this.twitter();
  +            }, this);
  +            this.facebookLabel= ko.computed(function() {
  +              return this.facebook().split('/').pop();
  +            }, this);
  +            this.linkedinLabel= ko.computed(function() {
  +              return this.linkedin().split('/').pop();
               }, this);
               this.formattedDescription = ko.computed(function() {
                 str = this.description().replace(/\r\n?/, "\n");
  
positive.code:       <% end %>
      </div>
      
    </div>
  
    <% if @preview %>
  
negative.code: 
    <div class='<%= @member.supporter? ? '' : 'organization-content' %>'>
    
      <div>
        <span class='contact-detail'>
          <i class='icon icon-home'></i> <a property="url" data-bind="text: url, attr: {href: url}" href='<%= organization.url %>'><%= organization.url%></a>
        </span>
  
        <% if @preview || @organization.cached_contact_name %>
          <span data-bind="visible: contactName().length > 0" class='contact-detail'>
            <i class='icon-user'></i> <span property="contactPoint" data-bind="text: contactName"><%= organization.cached_contact_name %></span>
          </span>
        <% end %>
      
        <% if @preview || @organization.cached_contact_email %>
          <span data-bind="visible: contactEmail().length > 0" class='contact-detail'>
            <i class='icon-envelope-alt'></i> <a property="email" data-bind="text: contactEmail, attr: {href: mailto}" href='mailto:<%= organization.cached_contact_email %>'><%= organization.cached_contact_email %></a>
          </span>
        <% end %>
      
        <% if @preview || @organization.cached_contact_phone %>
          <span data-bind="visible: contactPhone().length > 0" class='contact-detail'>
            <i class='icon-phone-sign'></i> <span property="telephone" data-bind="text: contactPhone"><%= organization.cached_contact_phone %></span>
          </span>
        <% end %>
      </div>
  
      <div class='organization-description' property="description" datatype="rdf:HTML">
        <% if @preview %>
  