anchor.diff:    <a href="/">Home</a> &gt;
     <%= link_to @workflow.category.name, main_app.workflows_path(:category_id => @workflow.category) -%> &gt;
     <%= link_to @workflow.title, main_app.workflow_path(@workflow) -%> &gt;
  -  <%= link_to @run.name, taverna_player.run_path(@run) -%> &gt;
  +  <%= link_to @run.name, taverna_player.run_path(@run) unless @run.blank?-%> &gt;
     New sweep
   </div>
   
  
positive.code:           <% end %>
          </p>
  
          <p>
            <%= label_tag "Number of iterations:" %>
            <% if !@run.blank? %>
                <%= select_tag :sweep_length, options_for_select(1.upto(20), :selected => params[:sweep_length]),
  
negative.code:       <%= sweep_form.hidden_field :workflow_id, :value => @workflow.id %>
        <%# f.hidden_field :workflow_version, :value => @workflow_version.version %>
  
        <div style="text-align: left; padding: 20px 0px 20px 0px;">
          <% if !@run.blank? %>
              <div class="box_standout curved" style="padding: 10px 0px 10px 0px;">
                <p style="text-align: left; padding: 0px 0px 0px 5px;">
                <%= label_tag 'Sweep based on run:' %> <%= link_to(@run.name, @run) %>
                </br>
              </p>
              </div>
          <% end %>
          <p style="padding: 10px 0px 0px 5px;">
            <%= sweep_form.label :name, "Sweep name:" %>
            <%= sweep_form.text_field :name, :value => "#{workflow_title} sweep", :size => 80 %><br/>
          </p>
  
          <p style="padding: 10px 0px 0px 5px;">
            <%= label_tag "Data input to iterate over:" %>
            <% if !@run.blank? %>
                <%= select_tag :sweep_data_input_name, options_for_select(data_input_names, :selected => params[:sweep_data_input_name]),
  